diff options
Diffstat (limited to 'drivers')
101 files changed, 2370 insertions, 2769 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index c46ca311d8c3..06ae5008c5ed 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -37,9 +37,29 @@ config DRM_KMS_FB_HELPER select FB select FRAMEBUFFER_CONSOLE if !EXPERT select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE + select FB_SYS_FOPS + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT help FBDEV helpers for KMS drivers. +config DRM_FBDEV_EMULATION + bool "Enable legacy fbdev support for your modesetting driver" + depends on DRM + select DRM_KMS_HELPER + select DRM_KMS_FB_HELPER + default y + help + Choose this option if you have a need for the legacy fbdev + support. Note that this support also provides the linux console + support on top of your modesetting driver. + + If in doubt, say "Y". + config DRM_LOAD_EDID_FIRMWARE bool "Allow to specify an EDID data set instead of probing for it" depends on DRM_KMS_HELPER diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 5713d0534504..8858510437ea 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -23,7 +23,7 @@ drm-$(CONFIG_OF) += drm_of.o drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \ drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o -drm_kms_helper-$(CONFIG_DRM_KMS_FB_HELPER) += drm_fb_helper.o +drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index c1645d21f8e2..81b821247dde 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c @@ -53,9 +53,9 @@ static struct fb_ops amdgpufb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -179,7 +179,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper, struct drm_mode_fb_cmd2 mode_cmd; struct drm_gem_object *gobj = NULL; struct amdgpu_bo *rbo = NULL; - struct device *device = &adev->pdev->dev; int ret; unsigned long tmp; @@ -201,9 +200,9 @@ static int amdgpufb_create(struct drm_fb_helper *helper, rbo = gem_to_amdgpu_bo(gobj); /* okay we have an object now allocate the framebuffer */ - info = framebuffer_alloc(0, device); - if (info == NULL) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto out_unref; } @@ -212,14 +211,13 @@ static int amdgpufb_create(struct drm_fb_helper *helper, ret = amdgpu_framebuffer_init(adev->ddev, &rfbdev->rfb, &mode_cmd, gobj); if (ret) { DRM_ERROR("failed to initialize framebuffer %d\n", ret); - goto out_unref; + goto out_destroy_fbi; } fb = &rfbdev->rfb.base; /* setup helper */ rfbdev->helper.fb = fb; - rfbdev->helper.fbdev = info; memset_io(rbo->kptr, 0x0, amdgpu_bo_size(rbo)); @@ -239,11 +237,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper, drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height); /* setup aperture base/size for vesafb takeover */ - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_unref; - } info->apertures->ranges[0].base = adev->ddev->mode_config.fb_base; info->apertures->ranges[0].size = adev->mc.aper_size; @@ -251,13 +244,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper, if (info->screen_base == NULL) { ret = -ENOSPC; - goto out_unref; - } - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_unref; + goto out_destroy_fbi; } DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); @@ -269,6 +256,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper, vga_switcheroo_client_fb_set(adev->ddev->pdev, info); return 0; +out_destroy_fbi: + drm_fb_helper_release_fbi(helper); out_unref: if (rbo) { @@ -290,17 +279,10 @@ void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev) static int amdgpu_fbdev_destroy(struct drm_device *dev, struct amdgpu_fbdev *rfbdev) { - struct fb_info *info; struct amdgpu_framebuffer *rfb = &rfbdev->rfb; - if (rfbdev->helper.fbdev) { - info = rfbdev->helper.fbdev; - - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&rfbdev->helper); + drm_fb_helper_release_fbi(&rfbdev->helper); if (rfb->obj) { amdgpufb_destroy_pinned_object(rfb->obj); @@ -395,7 +377,8 @@ void amdgpu_fbdev_fini(struct amdgpu_device *adev) void amdgpu_fbdev_set_suspend(struct amdgpu_device *adev, int state) { if (adev->mode_info.rfbdev) - fb_set_suspend(adev->mode_info.rfbdev->helper.fbdev, state); + drm_fb_helper_set_suspend(&adev->mode_info.rfbdev->helper, + state); } int amdgpu_fbdev_total_size(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c index 7838e731b0de..7d03c51abcb9 100644 --- a/drivers/gpu/drm/armada/armada_fbdev.c +++ b/drivers/gpu/drm/armada/armada_fbdev.c @@ -22,9 +22,9 @@ static /*const*/ struct fb_ops armada_fb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -80,18 +80,12 @@ static int armada_fb_create(struct drm_fb_helper *fbh, if (IS_ERR(dfb)) return PTR_ERR(dfb); - info = framebuffer_alloc(0, dev->dev); - if (!info) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(fbh); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto err_fballoc; } - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto err_fbcmap; - } - strlcpy(info->fix.id, "armada-drmfb", sizeof(info->fix.id)); info->par = fbh; info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; @@ -101,7 +95,7 @@ static int armada_fb_create(struct drm_fb_helper *fbh, info->screen_size = obj->obj.size; info->screen_base = ptr; fbh->fb = &dfb->fb; - fbh->fbdev = info; + drm_fb_helper_fill_fix(info, dfb->fb.pitches[0], dfb->fb.depth); drm_fb_helper_fill_var(info, fbh, sizes->fb_width, sizes->fb_height); @@ -111,8 +105,6 @@ static int armada_fb_create(struct drm_fb_helper *fbh, return 0; - err_fbcmap: - framebuffer_release(info); err_fballoc: dfb->fb.funcs->destroy(&dfb->fb); return ret; @@ -171,6 +163,7 @@ int armada_fbdev_init(struct drm_device *dev) return 0; err_fb_setup: + drm_fb_helper_release_fbi(fbh); drm_fb_helper_fini(fbh); err_fb_helper: priv->fbdev = NULL; @@ -191,14 +184,8 @@ void armada_fbdev_fini(struct drm_device *dev) struct drm_fb_helper *fbh = priv->fbdev; if (fbh) { - struct fb_info *info = fbh->fbdev; - - if (info) { - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(fbh); + drm_fb_helper_release_fbi(fbh); drm_fb_helper_fini(fbh); diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c index ff68eefae273..f31db28a684b 100644 --- a/drivers/gpu/drm/ast/ast_fb.c +++ b/drivers/gpu/drm/ast/ast_fb.c @@ -125,7 +125,7 @@ static void ast_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct ast_fbdev *afbdev = info->par; - sys_fillrect(info, rect); + drm_fb_helper_sys_fillrect(info, rect); ast_dirty_update(afbdev, rect->dx, rect->dy, rect->width, rect->height); } @@ -134,7 +134,7 @@ static void ast_copyarea(struct fb_info *info, const struct fb_copyarea *area) { struct ast_fbdev *afbdev = info->par; - sys_copyarea(info, area); + drm_fb_helper_sys_copyarea(info, area); ast_dirty_update(afbdev, area->dx, area->dy, area->width, area->height); } @@ -143,7 +143,7 @@ static void ast_imageblit(struct fb_info *info, const struct fb_image *image) { struct ast_fbdev *afbdev = info->par; - sys_imageblit(info, image); + drm_fb_helper_sys_imageblit(info, image); ast_dirty_update(afbdev, image->dx, image->dy, image->width, image->height); } @@ -193,7 +193,6 @@ static int astfb_create(struct drm_fb_helper *helper, struct drm_framebuffer *fb; struct fb_info *info; int size, ret; - struct device *device = &dev->pdev->dev; void *sysram; struct drm_gem_object *gobj = NULL; struct ast_bo *bo = NULL; @@ -217,40 +216,28 @@ static int astfb_create(struct drm_fb_helper *helper, if (!sysram) return -ENOMEM; - info = framebuffer_alloc(0, device); - if (!info) { - ret = -ENOMEM; - goto out; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); + goto err_free_vram; } info->par = afbdev; ret = ast_framebuffer_init(dev, &afbdev->afb, &mode_cmd, gobj); if (ret) - goto out; + goto err_release_fbi; afbdev->sysram = sysram; afbdev->size = size; fb = &afbdev->afb.base; afbdev->helper.fb = fb; - afbdev->helper.fbdev = info; strcpy(info->fix.id, "astdrmfb"); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &astfb_ops; - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out; - } - - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out; - } info->apertures->ranges[0].base = pci_resource_start(dev->pdev, 0); info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0); @@ -266,7 +253,11 @@ static int astfb_create(struct drm_fb_helper *helper, fb->width, fb->height); return 0; -out: + +err_release_fbi: + drm_fb_helper_release_fbi(helper); +err_free_vram: + vfree(afbdev->sysram); return ret; } @@ -297,15 +288,10 @@ static const struct drm_fb_helper_funcs ast_fb_helper_funcs = { static void ast_fbdev_destroy(struct drm_device *dev, struct ast_fbdev *afbdev) { - struct fb_info *info; struct ast_framebuffer *afb = &afbdev->afb; - if (afbdev->helper.fbdev) { - info = afbdev->helper.fbdev; - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + + drm_fb_helper_unregister_fbi(&afbdev->helper); + drm_fb_helper_release_fbi(&afbdev->helper); if (afb->obj) { drm_gem_object_unreference_unlocked(afb->obj); @@ -377,5 +363,5 @@ void ast_fbdev_set_suspend(struct drm_device *dev, int state) if (!ast->fbdev) return; - fb_set_suspend(ast->fbdev->helper.fbdev, state); + drm_fb_helper_set_suspend(&ast->fbdev->helper, state); } diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 035dacc93382..838217f8ce7d 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -571,24 +571,18 @@ ast_dumb_mmap_offset(struct drm_file *file, uint64_t *offset) { struct drm_gem_object *obj; - int ret; struct ast_bo *bo; - mutex_lock(&dev->struct_mutex); obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto out_unlock; - } + if (obj == NULL) + return -ENOENT; bo = gem_to_ast_bo(obj); *offset = ast_bo_mmap_offset(bo); - drm_gem_object_unreference(obj); - ret = 0; -out_unlock: - mutex_unlock(&dev->struct_mutex); - return ret; + drm_gem_object_unreference_unlocked(obj); + + return 0; } diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index f69b92535505..8b8fe3762ca9 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -239,7 +239,8 @@ static int atmel_hlcdc_crtc_atomic_check(struct drm_crtc *c, return atmel_hlcdc_plane_prepare_disc_area(s); } -static void atmel_hlcdc_crtc_atomic_begin(struct drm_crtc *c) +static void atmel_hlcdc_crtc_atomic_begin(struct drm_crtc *c, + struct drm_crtc_state *old_s) { struct atmel_hlcdc_crtc *crtc = drm_crtc_to_atmel_hlcdc_crtc(c); @@ -253,7 +254,8 @@ static void atmel_hlcdc_crtc_atomic_begin(struct drm_crtc *c) } } -static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc) +static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_s) { /* TODO: write common plane control register if available */ } diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index 98837bde2d25..7f1a3604b19f 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -109,7 +109,7 @@ static int bochs_pm_suspend(struct device *dev) if (bochs->fb.initialized) { console_lock(); - fb_set_suspend(bochs->fb.helper.fbdev, 1); + drm_fb_helper_set_suspend(&bochs->fb.helper, 1); console_unlock(); } @@ -126,7 +126,7 @@ static int bochs_pm_resume(struct device *dev) if (bochs->fb.initialized) { console_lock(); - fb_set_suspend(bochs->fb.helper.fbdev, 0); + drm_fb_helper_set_suspend(&bochs->fb.helper, 0); console_unlock(); } diff --git a/drivers/gpu/drm/bochs/bochs_fbdev.c b/drivers/gpu/drm/bochs/bochs_fbdev.c index 976d9798dc99..09a0637aab3e 100644 --- a/drivers/gpu/drm/bochs/bochs_fbdev.c +++ b/drivers/gpu/drm/bochs/bochs_fbdev.c @@ -24,9 +24,9 @@ static struct fb_ops bochsfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, - .fb_fillrect = sys_fillrect, - .fb_copyarea = sys_copyarea, - .fb_imageblit = sys_imageblit, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -56,11 +56,9 @@ static int bochsfb_create(struct drm_fb_helper *helper, { struct bochs_device *bochs = container_of(helper, struct bochs_device, fb.helper); - struct drm_device *dev = bochs->dev; struct fb_info *info; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd; - struct device *device = &dev->pdev->dev; struct drm_gem_object *gobj = NULL; struct bochs_bo *bo = NULL; int size, ret; @@ -106,22 +104,23 @@ static int bochsfb_create(struct drm_fb_helper *helper, ttm_bo_unreserve(&bo->bo); /* init fb device */ - info = framebuffer_alloc(0, device); - if (info == NULL) - return -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) + return PTR_ERR(info); info->par = &bochs->fb.helper; ret = bochs_framebuffer_init(bochs->dev, &bochs->fb.gfb, &mode_cmd, gobj); - if (ret) + if (ret) { + drm_fb_helper_release_fbi(helper); return ret; + } bochs->fb.size = size; /* setup helper */ fb = &bochs->fb.gfb.base; bochs->fb.helper.fb = fb; - bochs->fb.helper.fbdev = info; strcpy(info->fix.id, "bochsdrmfb"); @@ -139,30 +138,17 @@ static int bochsfb_create(struct drm_fb_helper *helper, info->fix.smem_start = 0; info->fix.smem_len = size; - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - DRM_ERROR("%s: can't allocate color map\n", info->fix.id); - return -ENOMEM; - } - return 0; } static int bochs_fbdev_destroy(struct bochs_device *bochs) { struct bochs_framebuffer *gfb = &bochs->fb.gfb; - struct fb_info *info; DRM_DEBUG_DRIVER("\n"); - if (bochs->fb.helper.fbdev) { - info = bochs->fb.helper.fbdev; - - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&bochs->fb.helper); + drm_fb_helper_release_fbi(&bochs->fb.helper); if (gfb->obj) { drm_gem_object_unreference_unlocked(gfb->obj); diff --git a/drivers/gpu/drm/bochs/bochs_mm.c b/drivers/gpu/drm/bochs/bochs_mm.c index 66286ff518d4..f69e6bf9bb0e 100644 --- a/drivers/gpu/drm/bochs/bochs_mm.c +++ b/drivers/gpu/drm/bochs/bochs_mm.c @@ -454,25 +454,17 @@ int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset) { struct drm_gem_object *obj; - int ret; struct bochs_bo *bo; - mutex_lock(&dev->struct_mutex); obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto out_unlock; - } + if (obj == NULL) + return -ENOENT; bo = gem_to_bochs_bo(obj); *offset = bochs_bo_mmap_offset(bo); - drm_gem_object_unreference(obj); - ret = 0; -out_unlock: - mutex_unlock(&dev->struct_mutex); - return ret; - + drm_gem_object_unreference_unlocked(obj); + return 0; } /* ---------------------------------------------------------------------- */ diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c index b9140032962d..b1619e29a564 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.c +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c @@ -92,7 +92,7 @@ static int cirrus_pm_suspend(struct device *dev) if (cdev->mode_info.gfbdev) { console_lock(); - fb_set_suspend(cdev->mode_info.gfbdev->helper.fbdev, 1); + drm_fb_helper_set_suspend(&cdev->mode_info.gfbdev->helper, 1); console_unlock(); } @@ -109,7 +109,7 @@ static int cirrus_pm_resume(struct device *dev) if (cdev->mode_info.gfbdev) { console_lock(); - fb_set_suspend(cdev->mode_info.gfbdev->helper.fbdev, 0); + drm_fb_helper_set_suspend(&cdev->mode_info.gfbdev->helper, 0); console_unlock(); } diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c index 13ddf1c4bb8e..589103bcc06c 100644 --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c @@ -98,7 +98,7 @@ static void cirrus_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct cirrus_fbdev *afbdev = info->par; - sys_fillrect(info, rect); + drm_fb_helper_sys_fillrect(info, rect); cirrus_dirty_update(afbdev, rect->dx, rect->dy, rect->width, rect->height); } @@ -107,7 +107,7 @@ static void cirrus_copyarea(struct fb_info *info, const struct fb_copyarea *area) { struct cirrus_fbdev *afbdev = info->par; - sys_copyarea(info, area); + drm_fb_helper_sys_copyarea(info, area); cirrus_dirty_update(afbdev, area->dx, area->dy, area->width, area->height); } @@ -116,7 +116,7 @@ static void cirrus_imageblit(struct fb_info *info, const struct fb_image *image) { struct cirrus_fbdev *afbdev = info->par; - sys_imageblit(info, image); + drm_fb_helper_sys_imageblit(info, image); cirrus_dirty_update(afbdev, image->dx, image->dy, image->width, image->height); } @@ -165,12 +165,10 @@ static int cirrusfb_create(struct drm_fb_helper *helper, { struct cirrus_fbdev *gfbdev = container_of(helper, struct cirrus_fbdev, helper); - struct drm_device *dev = gfbdev->helper.dev; struct cirrus_device *cdev = gfbdev->helper.dev->dev_private; struct fb_info *info; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd; - struct device *device = &dev->pdev->dev; void *sysram; struct drm_gem_object *gobj = NULL; struct cirrus_bo *bo = NULL; @@ -195,9 +193,9 @@ static int cirrusfb_create(struct drm_fb_helper *helper, if (!sysram) return -ENOMEM; - info = framebuffer_alloc(0, device); - if (info == NULL) - return -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) + return PTR_ERR(info); info->par = gfbdev; @@ -216,11 +214,9 @@ static int cirrusfb_create(struct drm_fb_helper *helper, /* setup helper */ gfbdev->helper.fb = fb; - gfbdev->helper.fbdev = info; strcpy(info->fix.id, "cirrusdrmfb"); - info->flags = FBINFO_DEFAULT; info->fbops = &cirrusfb_ops; @@ -229,11 +225,6 @@ static int cirrusfb_create(struct drm_fb_helper *helper, sizes->fb_height); /* setup aperture base/size for vesafb takeover */ - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_iounmap; - } info->apertures->ranges[0].base = cdev->dev->mode_config.fb_base; info->apertures->ranges[0].size = cdev->mc.vram_size; @@ -246,13 +237,6 @@ static int cirrusfb_create(struct drm_fb_helper *helper, info->fix.mmio_start = 0; info->fix.mmio_len = 0; - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - DRM_ERROR("%s: can't allocate color map\n", info->fix.id); - ret = -ENOMEM; - goto out_iounmap; - } - DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); DRM_INFO("vram aper at 0x%lX\n", (unsigned long)info->fix.smem_start); DRM_INFO("size %lu\n", (unsigned long)info->fix.smem_len); @@ -260,24 +244,15 @@ static int cirrusfb_create(struct drm_fb_helper *helper, DRM_INFO(" pitch is %d\n", fb->pitches[0]); return 0; -out_iounmap: - return ret; } static int cirrus_fbdev_destroy(struct drm_device *dev, struct cirrus_fbdev *gfbdev) { - struct fb_info *info; struct cirrus_framebuffer *gfb = &gfbdev->gfb; - if (gfbdev->helper.fbdev) { - info = gfbdev->helper.fbdev; - - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&gfbdev->helper); + drm_fb_helper_release_fbi(&gfbdev->helper); if (gfb->obj) { drm_gem_object_unreference_unlocked(gfb->obj); diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c index e4b976658087..055fd86ba717 100644 --- a/drivers/gpu/drm/cirrus/cirrus_main.c +++ b/drivers/gpu/drm/cirrus/cirrus_main.c @@ -293,25 +293,18 @@ cirrus_dumb_mmap_offset(struct drm_file *file, uint64_t *offset) { struct drm_gem_object *obj; - int ret; struct cirrus_bo *bo; - mutex_lock(&dev->struct_mutex); obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto out_unlock; - } + if (obj == NULL) + return -ENOENT; bo = gem_to_cirrus_bo(obj); *offset = cirrus_bo_mmap_offset(bo); - drm_gem_object_unreference(obj); - ret = 0; -out_unlock: - mutex_unlock(&dev->struct_mutex); - return ret; + drm_gem_object_unreference_unlocked(obj); + return 0; } bool cirrus_check_framebuffer(struct cirrus_device *cdev, int width, int height, diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 3efd91c0c6cb..1066e4b658cf 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -153,9 +153,15 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) if (!connector) continue; - WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); - - connector->funcs->atomic_destroy_state(connector, + /* + * FIXME: Async commits can race with connector unplugging and + * there's currently nothing that prevents cleanup up state for + * deleted connectors. As long as the callback doesn't look at + * the connector we'll be fine though, so make sure that's the + * case by setting all connector pointers to NULL. + */ + state->connector_states[i]->connector = NULL; + connector->funcs->atomic_destroy_state(NULL, state->connector_states[i]); state->connectors[i] = NULL; state->connector_states[i] = NULL; @@ -1224,6 +1230,9 @@ int drm_atomic_check_only(struct drm_atomic_state *state) } } + if (ret == 0) + ww_acquire_done(&state->acquire_ctx->ww_ctx); + return ret; } EXPORT_SYMBOL(drm_atomic_check_only); diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 99656815641d..52dbeedcdcc8 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -124,7 +124,7 @@ steal_encoder(struct drm_atomic_state *state, if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); - crtc_state->mode_changed = true; + crtc_state->connectors_changed = true; list_for_each_entry(connector, &config->connector_list, head) { if (connector->state->best_encoder != encoder) @@ -174,14 +174,14 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) idx = drm_crtc_index(connector->state->crtc); crtc_state = state->crtc_states[idx]; - crtc_state->mode_changed = true; + crtc_state->connectors_changed = true; } if (connector_state->crtc) { idx = drm_crtc_index(connector_state->crtc); crtc_state = state->crtc_states[idx]; - crtc_state->mode_changed = true; + crtc_state->connectors_changed = true; } } @@ -233,7 +233,7 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) idx = drm_crtc_index(connector_state->crtc); crtc_state = state->crtc_states[idx]; - crtc_state->mode_changed = true; + crtc_state->connectors_changed = true; DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] using [ENCODER:%d:%s] on [CRTC:%d]\n", connector->base.id, @@ -256,7 +256,8 @@ mode_fixup(struct drm_atomic_state *state) bool ret; for_each_crtc_in_state(state, crtc, crtc_state, i) { - if (!crtc_state->mode_changed) + if (!crtc_state->mode_changed && + !crtc_state->connectors_changed) continue; drm_mode_copy(&crtc_state->adjusted_mode, &crtc_state->mode); @@ -298,7 +299,7 @@ mode_fixup(struct drm_atomic_state *state) encoder->base.id, encoder->name); return ret; } - } else { + } else if (funcs->mode_fixup) { ret = funcs->mode_fixup(encoder, &crtc_state->mode, &crtc_state->adjusted_mode); if (!ret) { @@ -312,7 +313,8 @@ mode_fixup(struct drm_atomic_state *state) for_each_crtc_in_state(state, crtc, crtc_state, i) { const struct drm_crtc_helper_funcs *funcs; - if (!crtc_state->mode_changed) + if (!crtc_state->mode_changed && + !crtc_state->connectors_changed) continue; funcs = crtc->helper_private; @@ -338,9 +340,14 @@ mode_fixup(struct drm_atomic_state *state) * * Check the state object to see if the requested state is physically possible. * This does all the crtc and connector related computations for an atomic - * update. It computes and updates crtc_state->mode_changed, adds any additional - * connectors needed for full modesets and calls down into ->mode_fixup - * functions of the driver backend. + * update and adds any additional connectors needed for full modesets and calls + * down into ->mode_fixup functions of the driver backend. + * + * crtc_state->mode_changed is set when the input mode is changed. + * crtc_state->connectors_changed is set when a connector is added or + * removed from the crtc. + * crtc_state->active_changed is set when crtc_state->active changes, + * which is used for dpms. * * IMPORTANT: * @@ -373,7 +380,17 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, if (crtc->state->enable != crtc_state->enable) { DRM_DEBUG_ATOMIC("[CRTC:%d] enable changed\n", crtc->base.id); + + /* + * For clarity this assignment is done here, but + * enable == 0 is only true when there are no + * connectors and a NULL mode. + * + * The other way around is true as well. enable != 0 + * iff connectors are attached and a mode is set. + */ crtc_state->mode_changed = true; + crtc_state->connectors_changed = true; } } @@ -448,6 +465,9 @@ EXPORT_SYMBOL(drm_atomic_helper_check_modeset); * This does all the plane update related checks using by calling into the * ->atomic_check hooks provided by the driver. * + * It also sets crtc_state->planes_changed to indicate that a crtc has + * updated planes. + * * RETURNS * Zero for success or -errno */ @@ -640,15 +660,29 @@ drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, struct drm_crtc_state *old_crtc_state; int i; - /* clear out existing links */ + /* clear out existing links and update dpms */ for_each_connector_in_state(old_state, connector, old_conn_state, i) { - if (!connector->encoder) - continue; + if (connector->encoder) { + WARN_ON(!connector->encoder->crtc); - WARN_ON(!connector->encoder->crtc); + connector->encoder->crtc = NULL; + connector->encoder = NULL; + } - connector->encoder->crtc = NULL; - connector->encoder = NULL; + crtc = connector->state->crtc; + if ((!crtc && old_conn_state->crtc) || + (crtc && drm_atomic_crtc_needs_modeset(crtc->state))) { + struct drm_property *dpms_prop = + dev->mode_config.dpms_property; + int mode = DRM_MODE_DPMS_OFF; + + if (crtc && crtc->state->active) + mode = DRM_MODE_DPMS_ON; + + connector->dpms = mode; + drm_object_property_set_value(&connector->base, + dpms_prop, mode); + } } /* set new links */ @@ -924,7 +958,7 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, continue; old_crtc_state->enable = true; - old_crtc_state->last_vblank_count = drm_vblank_count(dev, i); + old_crtc_state->last_vblank_count = drm_crtc_vblank_count(crtc); } for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { @@ -933,7 +967,7 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, ret = wait_event_timeout(dev->vblank[i].queue, old_crtc_state->last_vblank_count != - drm_vblank_count(dev, i), + drm_crtc_vblank_count(crtc), msecs_to_jiffies(50)); drm_crtc_vblank_put(crtc); @@ -1144,7 +1178,7 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, if (!funcs || !funcs->atomic_begin) continue; - funcs->atomic_begin(crtc); + funcs->atomic_begin(crtc, old_crtc_state); } for_each_plane_in_state(old_state, plane, old_plane_state, i) { @@ -1174,7 +1208,7 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, if (!funcs || !funcs->atomic_flush) continue; - funcs->atomic_flush(crtc); + funcs->atomic_flush(crtc, old_crtc_state); } } EXPORT_SYMBOL(drm_atomic_helper_commit_planes); @@ -1210,7 +1244,7 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state) crtc_funcs = crtc->helper_private; if (crtc_funcs && crtc_funcs->atomic_begin) - crtc_funcs->atomic_begin(crtc); + crtc_funcs->atomic_begin(crtc, old_crtc_state); drm_for_each_plane_mask(plane, crtc->dev, plane_mask) { struct drm_plane_state *old_plane_state = @@ -1233,7 +1267,7 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state) } if (crtc_funcs && crtc_funcs->atomic_flush) - crtc_funcs->atomic_flush(crtc); + crtc_funcs->atomic_flush(crtc, old_crtc_state); } EXPORT_SYMBOL(drm_atomic_helper_commit_planes_on_crtc); @@ -1954,9 +1988,12 @@ EXPORT_SYMBOL(drm_atomic_helper_page_flip); * implementing the legacy DPMS connector interface. It computes the new desired * ->active state for the corresponding CRTC (if the connector is enabled) and * updates it. + * + * Returns: + * Returns 0 on success, negative errno numbers on failure. */ -void drm_atomic_helper_connector_dpms(struct drm_connector *connector, - int mode) +int drm_atomic_helper_connector_dpms(struct drm_connector *connector, + int mode) { struct drm_mode_config *config = &connector->dev->mode_config; struct drm_atomic_state *state; @@ -1965,6 +2002,7 @@ void drm_atomic_helper_connector_dpms(struct drm_connector *connector, struct drm_connector *tmp_connector; int ret; bool active = false; + int old_mode = connector->dpms; if (mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; @@ -1973,18 +2011,19 @@ void drm_atomic_helper_connector_dpms(struct drm_connector *connector, crtc = connector->state->crtc; if (!crtc) - return; + return 0; - /* FIXME: ->dpms has no return value so can't forward the -ENOMEM. */ state = drm_atomic_state_alloc(connector->dev); if (!state) - return; + return -ENOMEM; state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); retry: crtc_state = drm_atomic_get_crtc_state(state, crtc); - if (IS_ERR(crtc_state)) - return; + if (IS_ERR(crtc_state)) { + ret = PTR_ERR(crtc_state); + goto fail; + } WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); @@ -2003,17 +2042,16 @@ retry: if (ret != 0) goto fail; - /* Driver takes ownership of state on successful async commit. */ - return; + /* Driver takes ownership of state on successful commit. */ + return 0; fail: if (ret == -EDEADLK) goto backoff; + connector->dpms = old_mode; drm_atomic_state_free(state); - WARN(1, "Driver bug: Changing ->active failed with ret=%i\n", ret); - - return; + return ret; backoff: drm_atomic_state_clear(state); drm_atomic_legacy_backoff(state); @@ -2074,6 +2112,7 @@ void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, state->mode_changed = false; state->active_changed = false; state->planes_changed = false; + state->connectors_changed = false; state->event = NULL; } EXPORT_SYMBOL(__drm_atomic_helper_crtc_duplicate_state); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 1f0da41ae2a1..21f1f5ce2d60 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1151,7 +1151,7 @@ EXPORT_SYMBOL(drm_encoder_cleanup); int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, const struct drm_plane_funcs *funcs, - const uint32_t *formats, uint32_t format_count, + const uint32_t *formats, unsigned int format_count, enum drm_plane_type type) { struct drm_mode_config *config = &dev->mode_config; @@ -1225,7 +1225,7 @@ EXPORT_SYMBOL(drm_universal_plane_init); int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, const struct drm_plane_funcs *funcs, - const uint32_t *formats, uint32_t format_count, + const uint32_t *formats, unsigned int format_count, bool is_primary) { enum drm_plane_type type; @@ -4753,9 +4753,9 @@ static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, /* Do DPMS ourselves */ if (property == connector->dev->mode_config.dpms_property) { - if (connector->funcs->dpms) - (*connector->funcs->dpms)(connector, (int)value); ret = 0; + if (connector->funcs->dpms) + ret = (*connector->funcs->dpms)(connector, (int)value); } else if (connector->funcs->set_property) ret = connector->funcs->set_property(connector, property, value); @@ -5273,12 +5273,14 @@ void drm_mode_config_reset(struct drm_device *dev) if (encoder->funcs->reset) encoder->funcs->reset(encoder); + mutex_lock(&dev->mode_config.mutex); drm_for_each_connector(connector, dev) { connector->status = connector_status_unknown; if (connector->funcs->reset) connector->funcs->reset(connector); } + mutex_unlock(&dev->mode_config.mutex); } EXPORT_SYMBOL(drm_mode_config_reset); diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index d3d038f05bf7..ef534758a02c 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -762,15 +762,18 @@ static int drm_helper_choose_crtc_dpms(struct drm_crtc *crtc) * implementing the DPMS connector attribute. It computes the new desired DPMS * state for all encoders and crtcs in the output mesh and calls the ->dpms() * callback provided by the driver appropriately. + * + * Returns: + * Always returns 0. */ -void drm_helper_connector_dpms(struct drm_connector *connector, int mode) +int drm_helper_connector_dpms(struct drm_connector *connector, int mode) { struct drm_encoder *encoder = connector->encoder; struct drm_crtc *crtc = encoder ? encoder->crtc : NULL; int old_dpms, encoder_dpms = DRM_MODE_DPMS_OFF; if (mode == connector->dpms) - return; + return 0; old_dpms = connector->dpms; connector->dpms = mode; @@ -802,7 +805,7 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode) } } - return; + return 0; } EXPORT_SYMBOL(drm_helper_connector_dpms); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index e6e05bb75a77..05bb7311ac5d 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3802,7 +3802,7 @@ int drm_add_modes_noedid(struct drm_connector *connector, struct drm_display_mode *mode; struct drm_device *dev = connector->dev; - count = sizeof(drm_dmt_modes) / sizeof(struct drm_display_mode); + count = ARRAY_SIZE(drm_dmt_modes); if (hdisplay < 0) hdisplay = 0; if (vdisplay < 0) diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index f01dc25df2dc..c19a62561183 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -222,9 +222,9 @@ EXPORT_SYMBOL_GPL(drm_fb_cma_debugfs_show); static struct fb_ops drm_fbdev_cma_ops = { .owner = THIS_MODULE, - .fb_fillrect = sys_fillrect, - .fb_copyarea = sys_copyarea, - .fb_imageblit = sys_imageblit, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, @@ -263,10 +263,9 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper, if (IS_ERR(obj)) return -ENOMEM; - fbi = framebuffer_alloc(0, dev->dev); - if (!fbi) { - dev_err(dev->dev, "Failed to allocate framebuffer info.\n"); - ret = -ENOMEM; + fbi = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(fbi)) { + ret = PTR_ERR(fbi); goto err_drm_gem_cma_free_object; } @@ -274,23 +273,16 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper, if (IS_ERR(fbdev_cma->fb)) { dev_err(dev->dev, "Failed to allocate DRM framebuffer.\n"); ret = PTR_ERR(fbdev_cma->fb); - goto err_framebuffer_release; + goto err_fb_info_destroy; } fb = &fbdev_cma->fb->fb; helper->fb = fb; - helper->fbdev = fbi; fbi->par = helper; fbi->flags = FBINFO_FLAG_DEFAULT; fbi->fbops = &drm_fbdev_cma_ops; - ret = fb_alloc_cmap(&fbi->cmap, 256, 0); - if (ret) { - dev_err(dev->dev, "Failed to allocate color map.\n"); - goto err_drm_fb_cma_destroy; - } - drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height); @@ -305,11 +297,8 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper, return 0; -err_drm_fb_cma_destroy: - drm_framebuffer_unregister_private(fb); - drm_fb_cma_destroy(fb); -err_framebuffer_release: - framebuffer_release(fbi); +err_fb_info_destroy: + drm_fb_helper_release_fbi(helper); err_drm_gem_cma_free_object: drm_gem_cma_free_object(&obj->base); return ret; @@ -385,20 +374,8 @@ EXPORT_SYMBOL_GPL(drm_fbdev_cma_init); */ void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma) { - if (fbdev_cma->fb_helper.fbdev) { - struct fb_info *info; - int ret; - - info = fbdev_cma->fb_helper.fbdev; - ret = unregister_framebuffer(info); - if (ret < 0) - DRM_DEBUG_KMS("failed unregister_framebuffer()\n"); - - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&fbdev_cma->fb_helper); + drm_fb_helper_release_fbi(&fbdev_cma->fb_helper); if (fbdev_cma->fb) { drm_framebuffer_unregister_private(&fbdev_cma->fb->fb); diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 73f90f7e2f74..418d299f3b12 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -56,8 +56,8 @@ static LIST_HEAD(kernel_fb_helper_list); * Teardown is done with drm_fb_helper_fini(). * * At runtime drivers should restore the fbdev console by calling - * drm_fb_helper_restore_fbdev_mode() from their ->lastclose callback. They - * should also notify the fb helper code from updates to the output + * drm_fb_helper_restore_fbdev_mode_unlocked() from their ->lastclose callback. + * They should also notify the fb helper code from updates to the output * configuration by calling drm_fb_helper_hotplug_event(). For easier * integration with the output polling code in drm_crtc_helper.c the modeset * code provides a ->output_poll_changed callback. @@ -168,11 +168,14 @@ static void remove_from_modeset(struct drm_mode_set *set, } set->num_connectors--; - /* because i915 is pissy about this.. + /* * TODO maybe need to makes sure we set it back to !=NULL somewhere? */ - if (set->num_connectors == 0) + if (set->num_connectors == 0) { set->fb = NULL; + drm_mode_destroy(connector->dev, set->mode); + set->mode = NULL; + } } int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, @@ -354,21 +357,6 @@ static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper) } return error; } -/** - * drm_fb_helper_restore_fbdev_mode - restore fbdev configuration - * @fb_helper: fbcon to restore - * - * This should be called from driver's drm ->lastclose callback - * when implementing an fbcon on top of kms using this helper. This ensures that - * the user isn't greeted with a black screen when e.g. X dies. - * - * Use this variant if you need to bypass locking (panic), or already - * hold all modeset locks. Otherwise use drm_fb_helper_restore_fbdev_mode_unlocked() - */ -static bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper) -{ - return restore_fbdev_mode(fb_helper); -} /** * drm_fb_helper_restore_fbdev_mode_unlocked - restore fbdev configuration @@ -398,42 +386,6 @@ bool drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper) } EXPORT_SYMBOL(drm_fb_helper_restore_fbdev_mode_unlocked); -/* - * restore fbcon display for all kms driver's using this helper, used for sysrq - * and panic handling. - */ -static bool drm_fb_helper_force_kernel_mode(void) -{ - bool ret, error = false; - struct drm_fb_helper *helper; - - if (list_empty(&kernel_fb_helper_list)) - return false; - - list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { - struct drm_device *dev = helper->dev; - - if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) - continue; - - /* - * NOTE: Use trylock mode to avoid deadlocks and sleeping in - * panic context. - */ - if (__drm_modeset_lock_all(dev, true) != 0) { - error = true; - continue; - } - - ret = drm_fb_helper_restore_fbdev_mode(helper); - if (ret) - error = true; - - drm_modeset_unlock_all(dev); - } - return error; -} - static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper) { struct drm_device *dev = fb_helper->dev; @@ -459,6 +411,33 @@ static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper) } #ifdef CONFIG_MAGIC_SYSRQ +/* + * restore fbcon display for all kms driver's using this helper, used for sysrq + * and panic handling. + */ +static bool drm_fb_helper_force_kernel_mode(void) +{ + bool ret, error = false; + struct drm_fb_helper *helper; + + if (list_empty(&kernel_fb_helper_list)) + return false; + + list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { + struct drm_device *dev = helper->dev; + + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) + continue; + + drm_modeset_lock_all(dev); + ret = restore_fbdev_mode(helper); + if (ret) + error = true; + drm_modeset_unlock_all(dev); + } + return error; +} + static void drm_fb_helper_restore_work_fn(struct work_struct *ignored) { bool ret; @@ -491,14 +470,6 @@ static void drm_fb_helper_dpms(struct fb_info *info, int dpms_mode) int i, j; /* - * fbdev->blank can be called from irq context in case of a panic. - * Since we already have our own special panic handler which will - * restore the fbdev console mode completely, just bail out early. - */ - if (oops_in_progress) - return; - - /* * For each CRTC in this fb, turn the connectors on/off. */ drm_modeset_lock_all(dev); @@ -531,6 +502,9 @@ static void drm_fb_helper_dpms(struct fb_info *info, int dpms_mode) */ int drm_fb_helper_blank(int blank, struct fb_info *info) { + if (oops_in_progress) + return -EBUSY; + switch (blank) { /* Display: On; HSync: On, VSync: On */ case FB_BLANK_UNBLANK: @@ -654,6 +628,86 @@ out_free: } EXPORT_SYMBOL(drm_fb_helper_init); +/** + * drm_fb_helper_alloc_fbi - allocate fb_info and some of its members + * @fb_helper: driver-allocated fbdev helper + * + * A helper to alloc fb_info and the members cmap and apertures. Called + * by the driver within the fb_probe fb_helper callback function. + * + * RETURNS: + * fb_info pointer if things went okay, pointer containing error code + * otherwise + */ +struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper) +{ + struct device *dev = fb_helper->dev->dev; + struct fb_info *info; + int ret; + + info = framebuffer_alloc(0, dev); + if (!info) + return ERR_PTR(-ENOMEM); + + ret = fb_alloc_cmap(&info->cmap, 256, 0); + if (ret) + goto err_release; + + info->apertures = alloc_apertures(1); + if (!info->apertures) { + ret = -ENOMEM; + goto err_free_cmap; + } + + fb_helper->fbdev = info; + + return info; + +err_free_cmap: + fb_dealloc_cmap(&info->cmap); +err_release: + framebuffer_release(info); + return ERR_PTR(ret); +} +EXPORT_SYMBOL(drm_fb_helper_alloc_fbi); + +/** + * drm_fb_helper_unregister_fbi - unregister fb_info framebuffer device + * @fb_helper: driver-allocated fbdev helper + * + * A wrapper around unregister_framebuffer, to release the fb_info + * framebuffer device + */ +void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper) +{ + if (fb_helper && fb_helper->fbdev) + unregister_framebuffer(fb_helper->fbdev); +} +EXPORT_SYMBOL(drm_fb_helper_unregister_fbi); + +/** + * drm_fb_helper_release_fbi - dealloc fb_info and its members + * @fb_helper: driver-allocated fbdev helper + * + * A helper to free memory taken by fb_info and the members cmap and + * apertures + */ +void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper) +{ + if (fb_helper) { + struct fb_info *info = fb_helper->fbdev; + + if (info) { + if (info->cmap.len) + fb_dealloc_cmap(&info->cmap); + framebuffer_release(info); + } + + fb_helper->fbdev = NULL; + } +} +EXPORT_SYMBOL(drm_fb_helper_release_fbi); + void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) { if (!list_empty(&fb_helper->kernel_fb_list)) { @@ -668,6 +722,149 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) } EXPORT_SYMBOL(drm_fb_helper_fini); +/** + * drm_fb_helper_unlink_fbi - wrapper around unlink_framebuffer + * @fb_helper: driver-allocated fbdev helper + * + * A wrapper around unlink_framebuffer implemented by fbdev core + */ +void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) +{ + if (fb_helper && fb_helper->fbdev) + unlink_framebuffer(fb_helper->fbdev); +} +EXPORT_SYMBOL(drm_fb_helper_unlink_fbi); + +/** + * drm_fb_helper_sys_read - wrapper around fb_sys_read + * @info: fb_info struct pointer + * @buf: userspace buffer to read from framebuffer memory + * @count: number of bytes to read from framebuffer memory + * @ppos: read offset within framebuffer memory + * + * A wrapper around fb_sys_read implemented by fbdev core + */ +ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf, + size_t count, loff_t *ppos) +{ + return fb_sys_read(info, buf, count, ppos); +} +EXPORT_SYMBOL(drm_fb_helper_sys_read); + +/** + * drm_fb_helper_sys_write - wrapper around fb_sys_write + * @info: fb_info struct pointer + * @buf: userspace buffer to write to framebuffer memory + * @count: number of bytes to write to framebuffer memory + * @ppos: write offset within framebuffer memory + * + * A wrapper around fb_sys_write implemented by fbdev core + */ +ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + return fb_sys_write(info, buf, count, ppos); +} +EXPORT_SYMBOL(drm_fb_helper_sys_write); + +/** + * drm_fb_helper_sys_fillrect - wrapper around sys_fillrect + * @info: fbdev registered by the helper + * @rect: info about rectangle to fill + * + * A wrapper around sys_fillrect implemented by fbdev core + */ +void drm_fb_helper_sys_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + sys_fillrect(info, rect); +} +EXPORT_SYMBOL(drm_fb_helper_sys_fillrect); + +/** + * drm_fb_helper_sys_copyarea - wrapper around sys_copyarea + * @info: fbdev registered by the helper + * @area: info about area to copy + * + * A wrapper around sys_copyarea implemented by fbdev core + */ +void drm_fb_helper_sys_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + sys_copyarea(info, area); +} +EXPORT_SYMBOL(drm_fb_helper_sys_copyarea); + +/** + * drm_fb_helper_sys_imageblit - wrapper around sys_imageblit + * @info: fbdev registered by the helper + * @image: info about image to blit + * + * A wrapper around sys_imageblit implemented by fbdev core + */ +void drm_fb_helper_sys_imageblit(struct fb_info *info, + const struct fb_image *image) +{ + sys_imageblit(info, image); +} +EXPORT_SYMBOL(drm_fb_helper_sys_imageblit); + +/** + * drm_fb_helper_cfb_fillrect - wrapper around cfb_fillrect + * @info: fbdev registered by the helper + * @rect: info about rectangle to fill + * + * A wrapper around cfb_imageblit implemented by fbdev core + */ +void drm_fb_helper_cfb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + cfb_fillrect(info, rect); +} +EXPORT_SYMBOL(drm_fb_helper_cfb_fillrect); + +/** + * drm_fb_helper_cfb_copyarea - wrapper around cfb_copyarea + * @info: fbdev registered by the helper + * @area: info about area to copy + * + * A wrapper around cfb_copyarea implemented by fbdev core + */ +void drm_fb_helper_cfb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + cfb_copyarea(info, area); +} +EXPORT_SYMBOL(drm_fb_helper_cfb_copyarea); + +/** + * drm_fb_helper_cfb_imageblit - wrapper around cfb_imageblit + * @info: fbdev registered by the helper + * @image: info about image to blit + * + * A wrapper around cfb_imageblit implemented by fbdev core + */ +void drm_fb_helper_cfb_imageblit(struct fb_info *info, + const struct fb_image *image) +{ + cfb_imageblit(info, image); +} +EXPORT_SYMBOL(drm_fb_helper_cfb_imageblit); + +/** + * drm_fb_helper_set_suspend - wrapper around fb_set_suspend + * @fb_helper: driver-allocated fbdev helper + * @state: desired state, zero to resume, non-zero to suspend + * + * A wrapper around fb_set_suspend implemented by fbdev core + */ +void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, int state) +{ + if (fb_helper && fb_helper->fbdev) + fb_set_suspend(fb_helper->fbdev, state); +} +EXPORT_SYMBOL(drm_fb_helper_set_suspend); + static int setcolreg(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, u16 regno, struct fb_info *info) { @@ -755,9 +952,10 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info) int i, j, rc = 0; int start; - if (__drm_modeset_lock_all(dev, !!oops_in_progress)) { + if (oops_in_progress) return -EBUSY; - } + + drm_modeset_lock_all(dev); if (!drm_fb_helper_is_bound(fb_helper)) { drm_modeset_unlock_all(dev); return -EBUSY; @@ -906,6 +1104,9 @@ int drm_fb_helper_set_par(struct fb_info *info) struct drm_fb_helper *fb_helper = info->par; struct fb_var_screeninfo *var = &info->var; + if (oops_in_progress) + return -EBUSY; + if (var->pixclock != 0) { DRM_ERROR("PIXEL CLOCK SET\n"); return -EINVAL; @@ -931,9 +1132,10 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, int ret = 0; int i; - if (__drm_modeset_lock_all(dev, !!oops_in_progress)) { + if (oops_in_progress) return -EBUSY; - } + + drm_modeset_lock_all(dev); if (!drm_fb_helper_is_bound(fb_helper)) { drm_modeset_unlock_all(dev); return -EBUSY; diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 27a4228b4343..3c2d4abd71c5 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -766,7 +766,7 @@ drm_gem_object_free(struct kref *kref) struct drm_gem_object *obj = (struct drm_gem_object *) kref; struct drm_device *dev = obj->dev; - BUG_ON(!mutex_is_locked(&dev->struct_mutex)); + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); if (dev->driver->gem_free_object != NULL) dev->driver->gem_free_object(obj); diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index 9edad11dca98..86cc793cdf79 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -289,20 +289,15 @@ int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv, { struct drm_gem_object *gem_obj; - mutex_lock(&drm->struct_mutex); - gem_obj = drm_gem_object_lookup(drm, file_priv, handle); if (!gem_obj) { dev_err(drm->dev, "failed to lookup GEM object\n"); - mutex_unlock(&drm->struct_mutex); return -EINVAL; } *offset = drm_vma_node_offset_addr(&gem_obj->vma_node); - drm_gem_object_unreference(gem_obj); - - mutex_unlock(&drm->struct_mutex); + drm_gem_object_unreference_unlocked(gem_obj); return 0; } diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 9fd784b8966b..05b939e8da41 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -43,8 +43,8 @@ #include <linux/export.h> /* Access macro for slots in vblank timestamp ringbuffer. */ -#define vblanktimestamp(dev, crtc, count) \ - ((dev)->vblank[crtc].time[(count) % DRM_VBLANKTIME_RBSIZE]) +#define vblanktimestamp(dev, pipe, count) \ + ((dev)->vblank[pipe].time[(count) % DRM_VBLANKTIME_RBSIZE]) /* Retry timestamp calculation up to 3 times to satisfy * drm_timestamp_precision before giving up. @@ -57,7 +57,7 @@ #define DRM_REDUNDANT_VBLIRQ_THRESH_NS 1000000 static bool -drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, +drm_get_last_vbltimestamp(struct drm_device *dev, unsigned int pipe, struct timeval *tvblank, unsigned flags); static unsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ @@ -107,7 +107,7 @@ static void store_vblank(struct drm_device *dev, int crtc, /** * drm_update_vblank_count - update the master vblank counter * @dev: DRM device - * @crtc: counter to update + * @pipe: counter to update * * Call back into the driver to update the appropriate vblank counter * (specified by @crtc). Deal with wraparound, if it occurred, and @@ -120,9 +120,9 @@ static void store_vblank(struct drm_device *dev, int crtc, * Note: caller must hold dev->vbl_lock since this reads & writes * device vblank fields. */ -static void drm_update_vblank_count(struct drm_device *dev, int crtc) +static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; u32 cur_vblank, diff; bool rc; struct timeval t_vblank; @@ -140,21 +140,21 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc) * corresponding vblank timestamp. */ do { - cur_vblank = dev->driver->get_vblank_counter(dev, crtc); - rc = drm_get_last_vbltimestamp(dev, crtc, &t_vblank, 0); - } while (cur_vblank != dev->driver->get_vblank_counter(dev, crtc)); + cur_vblank = dev->driver->get_vblank_counter(dev, pipe); + rc = drm_get_last_vbltimestamp(dev, pipe, &t_vblank, 0); + } while (cur_vblank != dev->driver->get_vblank_counter(dev, pipe)); /* Deal with counter wrap */ diff = cur_vblank - vblank->last; if (cur_vblank < vblank->last) { diff += dev->max_vblank_count + 1; - DRM_DEBUG("last_vblank[%d]=0x%x, cur_vblank=0x%x => diff=0x%x\n", - crtc, vblank->last, cur_vblank, diff); + DRM_DEBUG("last_vblank[%u]=0x%x, cur_vblank=0x%x => diff=0x%x\n", + pipe, vblank->last, cur_vblank, diff); } - DRM_DEBUG("updating vblank count on crtc %d, missed %d\n", - crtc, diff); + DRM_DEBUG("updating vblank count on crtc %u, missed %d\n", + pipe, diff); if (diff == 0) return; @@ -167,7 +167,7 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc) if (!rc) t_vblank = (struct timeval) {0, 0}; - store_vblank(dev, crtc, diff, &t_vblank); + store_vblank(dev, pipe, diff, &t_vblank); } /* @@ -176,9 +176,9 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc) * are preserved, even if there are any spurious vblank irq's after * disable. */ -static void vblank_disable_and_save(struct drm_device *dev, int crtc) +static void vblank_disable_and_save(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; unsigned long irqflags; u32 vblcount; s64 diff_ns; @@ -206,8 +206,8 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc) * vblank interrupt is disabled. */ if (!vblank->enabled && - drm_get_last_vbltimestamp(dev, crtc, &tvblank, 0)) { - drm_update_vblank_count(dev, crtc); + drm_get_last_vbltimestamp(dev, pipe, &tvblank, 0)) { + drm_update_vblank_count(dev, pipe); spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags); return; } @@ -218,7 +218,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc) * hardware potentially runtime suspended. */ if (vblank->enabled) { - dev->driver->disable_vblank(dev, crtc); + dev->driver->disable_vblank(dev, pipe); vblank->enabled = false; } @@ -235,9 +235,9 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc) * delayed gpu counter increment. */ do { - vblank->last = dev->driver->get_vblank_counter(dev, crtc); - vblrc = drm_get_last_vbltimestamp(dev, crtc, &tvblank, 0); - } while (vblank->last != dev->driver->get_vblank_counter(dev, crtc) && (--count) && vblrc); + vblank->last = dev->driver->get_vblank_counter(dev, pipe); + vblrc = drm_get_last_vbltimestamp(dev, pipe, &tvblank, 0); + } while (vblank->last != dev->driver->get_vblank_counter(dev, pipe) && (--count) && vblrc); if (!count) vblrc = 0; @@ -247,7 +247,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc) */ vblcount = vblank->count; diff_ns = timeval_to_ns(&tvblank) - - timeval_to_ns(&vblanktimestamp(dev, crtc, vblcount)); + timeval_to_ns(&vblanktimestamp(dev, pipe, vblcount)); /* If there is at least 1 msec difference between the last stored * timestamp and tvblank, then we are currently executing our @@ -262,7 +262,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc) * hope for the best. */ if (vblrc && (abs64(diff_ns) > 1000000)) - store_vblank(dev, crtc, 1, &tvblank); + store_vblank(dev, pipe, 1, &tvblank); spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags); } @@ -271,16 +271,16 @@ static void vblank_disable_fn(unsigned long arg) { struct drm_vblank_crtc *vblank = (void *)arg; struct drm_device *dev = vblank->dev; + unsigned int pipe = vblank->pipe; unsigned long irqflags; - int crtc = vblank->crtc; if (!dev->vblank_disable_allowed) return; spin_lock_irqsave(&dev->vbl_lock, irqflags); if (atomic_read(&vblank->refcount) == 0 && vblank->enabled) { - DRM_DEBUG("disabling vblank on crtc %d\n", crtc); - vblank_disable_and_save(dev, crtc); + DRM_DEBUG("disabling vblank on crtc %u\n", pipe); + vblank_disable_and_save(dev, pipe); } spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } @@ -293,14 +293,14 @@ static void vblank_disable_fn(unsigned long arg) */ void drm_vblank_cleanup(struct drm_device *dev) { - int crtc; + unsigned int pipe; /* Bail if the driver didn't call drm_vblank_init() */ if (dev->num_crtcs == 0) return; - for (crtc = 0; crtc < dev->num_crtcs; crtc++) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + for (pipe = 0; pipe < dev->num_crtcs; pipe++) { + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; WARN_ON(vblank->enabled && drm_core_check_feature(dev, DRIVER_MODESET)); @@ -316,17 +316,18 @@ EXPORT_SYMBOL(drm_vblank_cleanup); /** * drm_vblank_init - initialize vblank support - * @dev: drm_device - * @num_crtcs: number of crtcs supported by @dev + * @dev: DRM device + * @num_crtcs: number of CRTCs supported by @dev * * This function initializes vblank support for @num_crtcs display pipelines. * * Returns: * Zero on success or a negative error code on failure. */ -int drm_vblank_init(struct drm_device *dev, int num_crtcs) +int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs) { - int i, ret = -ENOMEM; + int ret = -ENOMEM; + unsigned int i; spin_lock_init(&dev->vbl_lock); spin_lock_init(&dev->vblank_time_lock); @@ -341,7 +342,7 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) struct drm_vblank_crtc *vblank = &dev->vblank[i]; vblank->dev = dev; - vblank->crtc = i; + vblank->pipe = i; init_waitqueue_head(&vblank->queue); setup_timer(&vblank->disable_timer, vblank_disable_fn, (unsigned long)vblank); @@ -624,17 +625,17 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc, if (mode->flags & DRM_MODE_FLAG_INTERLACE) framedur_ns /= 2; } else - DRM_ERROR("crtc %d: Can't calculate constants, dotclock = 0!\n", + DRM_ERROR("crtc %u: Can't calculate constants, dotclock = 0!\n", crtc->base.id); crtc->pixeldur_ns = pixeldur_ns; crtc->linedur_ns = linedur_ns; crtc->framedur_ns = framedur_ns; - DRM_DEBUG("crtc %d: hwmode: htotal %d, vtotal %d, vdisplay %d\n", + DRM_DEBUG("crtc %u: hwmode: htotal %d, vtotal %d, vdisplay %d\n", crtc->base.id, mode->crtc_htotal, mode->crtc_vtotal, mode->crtc_vdisplay); - DRM_DEBUG("crtc %d: clock %d kHz framedur %d linedur %d, pixeldur %d\n", + DRM_DEBUG("crtc %u: clock %d kHz framedur %d linedur %d, pixeldur %d\n", crtc->base.id, dotclock, framedur_ns, linedur_ns, pixeldur_ns); } @@ -643,7 +644,7 @@ EXPORT_SYMBOL(drm_calc_timestamping_constants); /** * drm_calc_vbltimestamp_from_scanoutpos - precise vblank timestamp helper * @dev: DRM device - * @crtc: Which CRTC's vblank timestamp to retrieve + * @pipe: index of CRTC whose vblank timestamp to retrieve * @max_error: Desired maximum allowable error in timestamps (nanosecs) * On return contains true maximum error of timestamp * @vblank_time: Pointer to struct timeval which should receive the timestamp @@ -686,7 +687,8 @@ EXPORT_SYMBOL(drm_calc_timestamping_constants); * DRM_VBLANKTIME_INVBL - Timestamp taken while scanout was in vblank interval. * */ -int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, +int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, + unsigned int pipe, int *max_error, struct timeval *vblank_time, unsigned flags, @@ -700,8 +702,8 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, int framedur_ns, linedur_ns, pixeldur_ns, delta_ns, duration_ns; bool invbl; - if (crtc < 0 || crtc >= dev->num_crtcs) { - DRM_ERROR("Invalid crtc %d\n", crtc); + if (pipe >= dev->num_crtcs) { + DRM_ERROR("Invalid crtc %u\n", pipe); return -EINVAL; } @@ -720,7 +722,7 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, * Happens during initial modesetting of a crtc. */ if (framedur_ns == 0) { - DRM_DEBUG("crtc %d: Noop due to uninitialized mode.\n", crtc); + DRM_DEBUG("crtc %u: Noop due to uninitialized mode.\n", pipe); return -EAGAIN; } @@ -736,13 +738,13 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, * Get vertical and horizontal scanout position vpos, hpos, * and bounding timestamps stime, etime, pre/post query. */ - vbl_status = dev->driver->get_scanout_position(dev, crtc, flags, &vpos, + vbl_status = dev->driver->get_scanout_position(dev, pipe, flags, &vpos, &hpos, &stime, &etime); /* Return as no-op if scanout query unsupported or failed. */ if (!(vbl_status & DRM_SCANOUTPOS_VALID)) { - DRM_DEBUG("crtc %d : scanoutpos query failed [%d].\n", - crtc, vbl_status); + DRM_DEBUG("crtc %u : scanoutpos query failed [%d].\n", + pipe, vbl_status); return -EIO; } @@ -756,8 +758,8 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, /* Noisy system timing? */ if (i == DRM_TIMESTAMP_MAXRETRIES) { - DRM_DEBUG("crtc %d: Noisy timestamp %d us > %d us [%d reps].\n", - crtc, duration_ns/1000, *max_error/1000, i); + DRM_DEBUG("crtc %u: Noisy timestamp %d us > %d us [%d reps].\n", + pipe, duration_ns/1000, *max_error/1000, i); } /* Return upper bound of timestamp precision error. */ @@ -790,8 +792,8 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, etime = ktime_sub_ns(etime, delta_ns); *vblank_time = ktime_to_timeval(etime); - DRM_DEBUG("crtc %d : v %d p(%d,%d)@ %ld.%ld -> %ld.%ld [e %d us, %d rep]\n", - crtc, (int)vbl_status, hpos, vpos, + DRM_DEBUG("crtc %u : v %d p(%d,%d)@ %ld.%ld -> %ld.%ld [e %d us, %d rep]\n", + pipe, (int)vbl_status, hpos, vpos, (long)tv_etime.tv_sec, (long)tv_etime.tv_usec, (long)vblank_time->tv_sec, (long)vblank_time->tv_usec, duration_ns/1000, i); @@ -816,7 +818,7 @@ static struct timeval get_drm_timestamp(void) * drm_get_last_vbltimestamp - retrieve raw timestamp for the most recent * vblank interval * @dev: DRM device - * @crtc: which CRTC's vblank timestamp to retrieve + * @pipe: index of CRTC whose vblank timestamp to retrieve * @tvblank: Pointer to target struct timeval which should receive the timestamp * @flags: Flags to pass to driver: * 0 = Default, @@ -833,7 +835,7 @@ static struct timeval get_drm_timestamp(void) * True if timestamp is considered to be very precise, false otherwise. */ static bool -drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, +drm_get_last_vbltimestamp(struct drm_device *dev, unsigned int pipe, struct timeval *tvblank, unsigned flags) { int ret; @@ -843,7 +845,7 @@ drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, /* Query driver if possible and precision timestamping enabled. */ if (dev->driver->get_vblank_timestamp && (max_error > 0)) { - ret = dev->driver->get_vblank_timestamp(dev, crtc, &max_error, + ret = dev->driver->get_vblank_timestamp(dev, pipe, &max_error, tvblank, flags); if (ret > 0) return true; @@ -860,7 +862,7 @@ drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, /** * drm_vblank_count - retrieve "cooked" vblank counter value * @dev: DRM device - * @crtc: which counter to retrieve + * @pipe: index of CRTC for which to retrieve the counter * * Fetches the "cooked" vblank count value that represents the number of * vblank events since the system was booted, including lost events due to @@ -871,12 +873,13 @@ drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, * Returns: * The software vblank counter. */ -u32 drm_vblank_count(struct drm_device *dev, int crtc) +u32 drm_vblank_count(struct drm_device *dev, int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(pipe >= dev->num_crtcs)) return 0; + return vblank->count; } EXPORT_SYMBOL(drm_vblank_count); @@ -901,11 +904,10 @@ u32 drm_crtc_vblank_count(struct drm_crtc *crtc) EXPORT_SYMBOL(drm_crtc_vblank_count); /** - * drm_vblank_count_and_time - retrieve "cooked" vblank counter value - * and the system timestamp corresponding to that vblank counter value. - * + * drm_vblank_count_and_time - retrieve "cooked" vblank counter value and the + * system timestamp corresponding to that vblank counter value. * @dev: DRM device - * @crtc: which counter to retrieve + * @pipe: index of CRTC whose counter to retrieve * @vblanktime: Pointer to struct timeval to receive the vblank timestamp. * * Fetches the "cooked" vblank count value that represents the number of @@ -913,13 +915,13 @@ EXPORT_SYMBOL(drm_crtc_vblank_count); * modesetting activity. Returns corresponding system timestamp of the time * of the vblank interval that corresponds to the current vblank counter value. */ -u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, +u32 drm_vblank_count_and_time(struct drm_device *dev, unsigned int pipe, struct timeval *vblanktime) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; u32 cur_vblank; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(pipe >= dev->num_crtcs)) return 0; /* @@ -930,7 +932,7 @@ u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, do { cur_vblank = vblank->count; smp_rmb(); - *vblanktime = vblanktimestamp(dev, crtc, cur_vblank); + *vblanktime = vblanktimestamp(dev, pipe, cur_vblank); smp_rmb(); } while (cur_vblank != vblank->count); @@ -957,7 +959,7 @@ static void send_vblank_event(struct drm_device *dev, /** * drm_send_vblank_event - helper to send vblank event after pageflip * @dev: DRM device - * @crtc: CRTC in question + * @pipe: CRTC index * @e: the event to send * * Updates sequence # and timestamp on event, and sends it to userspace. @@ -965,20 +967,20 @@ static void send_vblank_event(struct drm_device *dev, * * This is the legacy version of drm_crtc_send_vblank_event(). */ -void drm_send_vblank_event(struct drm_device *dev, int crtc, - struct drm_pending_vblank_event *e) +void drm_send_vblank_event(struct drm_device *dev, unsigned int pipe, + struct drm_pending_vblank_event *e) { struct timeval now; unsigned int seq; - if (crtc >= 0) { - seq = drm_vblank_count_and_time(dev, crtc, &now); + if (dev->num_crtcs > 0) { + seq = drm_vblank_count_and_time(dev, pipe, &now); } else { seq = 0; now = get_drm_timestamp(); } - e->pipe = crtc; + e->pipe = pipe; send_vblank_event(dev, e, seq, &now); } EXPORT_SYMBOL(drm_send_vblank_event); @@ -1003,11 +1005,14 @@ EXPORT_SYMBOL(drm_crtc_send_vblank_event); /** * drm_vblank_enable - enable the vblank interrupt on a CRTC * @dev: DRM device - * @crtc: CRTC in question + * @pipe: CRTC index + * + * Returns: + * Zero on success or a negative error code on failure. */ -static int drm_vblank_enable(struct drm_device *dev, int crtc) +static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; int ret = 0; assert_spin_locked(&dev->vbl_lock); @@ -1022,13 +1027,13 @@ static int drm_vblank_enable(struct drm_device *dev, int crtc) * timestamps. Filtercode in drm_handle_vblank() will * prevent double-accounting of same vblank interval. */ - ret = dev->driver->enable_vblank(dev, crtc); - DRM_DEBUG("enabling vblank on crtc %d, ret: %d\n", crtc, ret); + ret = dev->driver->enable_vblank(dev, pipe); + DRM_DEBUG("enabling vblank on crtc %u, ret: %d\n", pipe, ret); if (ret) atomic_dec(&vblank->refcount); else { vblank->enabled = true; - drm_update_vblank_count(dev, crtc); + drm_update_vblank_count(dev, pipe); } } @@ -1040,7 +1045,7 @@ static int drm_vblank_enable(struct drm_device *dev, int crtc) /** * drm_vblank_get - get a reference count on vblank events * @dev: DRM device - * @crtc: which CRTC to own + * @pipe: index of CRTC to own * * Acquire a reference count on vblank events to avoid having them disabled * while in use. @@ -1048,24 +1053,24 @@ static int drm_vblank_enable(struct drm_device *dev, int crtc) * This is the legacy version of drm_crtc_vblank_get(). * * Returns: - * Zero on success, nonzero on failure. + * Zero on success or a negative error code on failure. */ -int drm_vblank_get(struct drm_device *dev, int crtc) +int drm_vblank_get(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; unsigned long irqflags; int ret = 0; if (!dev->num_crtcs) return -EINVAL; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(pipe >= dev->num_crtcs)) return -EINVAL; spin_lock_irqsave(&dev->vbl_lock, irqflags); /* Going from 0->1 means we have to enable interrupts again */ if (atomic_add_return(1, &vblank->refcount) == 1) { - ret = drm_vblank_enable(dev, crtc); + ret = drm_vblank_enable(dev, pipe); } else { if (!vblank->enabled) { atomic_dec(&vblank->refcount); @@ -1088,7 +1093,7 @@ EXPORT_SYMBOL(drm_vblank_get); * This is the native kms version of drm_vblank_get(). * * Returns: - * Zero on success, nonzero on failure. + * Zero on success or a negative error code on failure. */ int drm_crtc_vblank_get(struct drm_crtc *crtc) { @@ -1097,23 +1102,23 @@ int drm_crtc_vblank_get(struct drm_crtc *crtc) EXPORT_SYMBOL(drm_crtc_vblank_get); /** - * drm_vblank_put - give up ownership of vblank events + * drm_vblank_put - release ownership of vblank events * @dev: DRM device - * @crtc: which counter to give up + * @pipe: index of CRTC to release * * Release ownership of a given vblank counter, turning off interrupts * if possible. Disable interrupts after drm_vblank_offdelay milliseconds. * * This is the legacy version of drm_crtc_vblank_put(). */ -void drm_vblank_put(struct drm_device *dev, int crtc) +void drm_vblank_put(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; - if (WARN_ON(atomic_read(&vblank->refcount) == 0)) + if (WARN_ON(pipe >= dev->num_crtcs)) return; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(atomic_read(&vblank->refcount) == 0)) return; /* Last user schedules interrupt disable */ @@ -1147,30 +1152,34 @@ EXPORT_SYMBOL(drm_crtc_vblank_put); /** * drm_wait_one_vblank - wait for one vblank * @dev: DRM device - * @crtc: crtc index + * @pipe: CRTC index * * This waits for one vblank to pass on @crtc, using the irq driver interfaces. * It is a failure to call this when the vblank irq for @crtc is disabled, e.g. * due to lack of driver support or because the crtc is off. */ -void drm_wait_one_vblank(struct drm_device *dev, int crtc) +void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe) { + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; int ret; u32 last; - ret = drm_vblank_get(dev, crtc); - if (WARN(ret, "vblank not available on crtc %i, ret=%i\n", crtc, ret)) + if (WARN_ON(pipe >= dev->num_crtcs)) return; - last = drm_vblank_count(dev, crtc); + ret = drm_vblank_get(dev, pipe); + if (WARN(ret, "vblank not available on crtc %i, ret=%i\n", pipe, ret)) + return; - ret = wait_event_timeout(dev->vblank[crtc].queue, - last != drm_vblank_count(dev, crtc), + last = drm_vblank_count(dev, pipe); + + ret = wait_event_timeout(vblank->queue, + last != drm_vblank_count(dev, pipe), msecs_to_jiffies(100)); - WARN(ret == 0, "vblank wait timed out on crtc %i\n", crtc); + WARN(ret == 0, "vblank wait timed out on crtc %i\n", pipe); - drm_vblank_put(dev, crtc); + drm_vblank_put(dev, pipe); } EXPORT_SYMBOL(drm_wait_one_vblank); @@ -1191,7 +1200,7 @@ EXPORT_SYMBOL(drm_crtc_wait_one_vblank); /** * drm_vblank_off - disable vblank events on a CRTC * @dev: DRM device - * @crtc: CRTC in question + * @pipe: CRTC index * * Drivers can use this function to shut down the vblank interrupt handling when * disabling a crtc. This function ensures that the latest vblank frame count is @@ -1202,21 +1211,21 @@ EXPORT_SYMBOL(drm_crtc_wait_one_vblank); * * This is the legacy version of drm_crtc_vblank_off(). */ -void drm_vblank_off(struct drm_device *dev, int crtc) +void drm_vblank_off(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; struct drm_pending_vblank_event *e, *t; struct timeval now; unsigned long irqflags; unsigned int seq; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(pipe >= dev->num_crtcs)) return; spin_lock_irqsave(&dev->event_lock, irqflags); spin_lock(&dev->vbl_lock); - vblank_disable_and_save(dev, crtc); + vblank_disable_and_save(dev, pipe); wake_up(&vblank->queue); /* @@ -1230,16 +1239,16 @@ void drm_vblank_off(struct drm_device *dev, int crtc) spin_unlock(&dev->vbl_lock); /* Send any queued vblank events, lest the natives grow disquiet */ - seq = drm_vblank_count_and_time(dev, crtc, &now); + seq = drm_vblank_count_and_time(dev, pipe, &now); list_for_each_entry_safe(e, t, &dev->vblank_event_list, base.link) { - if (e->pipe != crtc) + if (e->pipe != pipe) continue; DRM_DEBUG("Sending premature vblank event on disable: \ wanted %d, current %d\n", e->event.sequence, seq); list_del(&e->base.link); - drm_vblank_put(dev, e->pipe); + drm_vblank_put(dev, pipe); send_vblank_event(dev, e, seq, &now); } spin_unlock_irqrestore(&dev->event_lock, irqflags); @@ -1300,7 +1309,7 @@ EXPORT_SYMBOL(drm_crtc_vblank_reset); /** * drm_vblank_on - enable vblank events on a CRTC * @dev: DRM device - * @crtc: CRTC in question + * @pipe: CRTC index * * This functions restores the vblank interrupt state captured with * drm_vblank_off() again. Note that calls to drm_vblank_on() and @@ -1309,12 +1318,12 @@ EXPORT_SYMBOL(drm_crtc_vblank_reset); * * This is the legacy version of drm_crtc_vblank_on(). */ -void drm_vblank_on(struct drm_device *dev, int crtc) +void drm_vblank_on(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; unsigned long irqflags; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(pipe >= dev->num_crtcs)) return; spin_lock_irqsave(&dev->vbl_lock, irqflags); @@ -1332,7 +1341,7 @@ void drm_vblank_on(struct drm_device *dev, int crtc) * vblank counter value before and after a modeset */ vblank->last = - (dev->driver->get_vblank_counter(dev, crtc) - 1) & + (dev->driver->get_vblank_counter(dev, pipe) - 1) & dev->max_vblank_count; /* * re-enable interrupts if there are users left, or the @@ -1340,7 +1349,7 @@ void drm_vblank_on(struct drm_device *dev, int crtc) */ if (atomic_read(&vblank->refcount) != 0 || (!dev->vblank_disable_immediate && drm_vblank_offdelay == 0)) - WARN_ON(drm_vblank_enable(dev, crtc)); + WARN_ON(drm_vblank_enable(dev, pipe)); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } EXPORT_SYMBOL(drm_vblank_on); @@ -1365,7 +1374,7 @@ EXPORT_SYMBOL(drm_crtc_vblank_on); /** * drm_vblank_pre_modeset - account for vblanks across mode sets * @dev: DRM device - * @crtc: CRTC in question + * @pipe: CRTC index * * Account for vblank events across mode setting events, which will likely * reset the hardware frame counter. @@ -1385,15 +1394,15 @@ EXPORT_SYMBOL(drm_crtc_vblank_on); * Drivers must call drm_vblank_post_modeset() when re-enabling the same crtc * again. */ -void drm_vblank_pre_modeset(struct drm_device *dev, int crtc) +void drm_vblank_pre_modeset(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; /* vblank is not initialized (IRQ not installed ?), or has been freed */ if (!dev->num_crtcs) return; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(pipe >= dev->num_crtcs)) return; /* @@ -1405,7 +1414,7 @@ void drm_vblank_pre_modeset(struct drm_device *dev, int crtc) */ if (!vblank->inmodeset) { vblank->inmodeset = 0x1; - if (drm_vblank_get(dev, crtc) == 0) + if (drm_vblank_get(dev, pipe) == 0) vblank->inmodeset |= 0x2; } } @@ -1414,27 +1423,30 @@ EXPORT_SYMBOL(drm_vblank_pre_modeset); /** * drm_vblank_post_modeset - undo drm_vblank_pre_modeset changes * @dev: DRM device - * @crtc: CRTC in question + * @pipe: CRTC index * * This function again drops the temporary vblank reference acquired in * drm_vblank_pre_modeset. */ -void drm_vblank_post_modeset(struct drm_device *dev, int crtc) +void drm_vblank_post_modeset(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; unsigned long irqflags; /* vblank is not initialized (IRQ not installed ?), or has been freed */ if (!dev->num_crtcs) return; + if (WARN_ON(pipe >= dev->num_crtcs)) + return; + if (vblank->inmodeset) { spin_lock_irqsave(&dev->vbl_lock, irqflags); dev->vblank_disable_allowed = true; spin_unlock_irqrestore(&dev->vbl_lock, irqflags); if (vblank->inmodeset & 0x2) - drm_vblank_put(dev, crtc); + drm_vblank_put(dev, pipe); vblank->inmodeset = 0; } @@ -1456,7 +1468,7 @@ int drm_modeset_ctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_modeset_ctl *modeset = data; - unsigned int crtc; + unsigned int pipe; /* If drm_vblank_init() hasn't been called yet, just no-op */ if (!dev->num_crtcs) @@ -1466,16 +1478,16 @@ int drm_modeset_ctl(struct drm_device *dev, void *data, if (drm_core_check_feature(dev, DRIVER_MODESET)) return 0; - crtc = modeset->crtc; - if (crtc >= dev->num_crtcs) + pipe = modeset->crtc; + if (pipe >= dev->num_crtcs) return -EINVAL; switch (modeset->cmd) { case _DRM_PRE_MODESET: - drm_vblank_pre_modeset(dev, crtc); + drm_vblank_pre_modeset(dev, pipe); break; case _DRM_POST_MODESET: - drm_vblank_post_modeset(dev, crtc); + drm_vblank_post_modeset(dev, pipe); break; default: return -EINVAL; @@ -1484,7 +1496,7 @@ int drm_modeset_ctl(struct drm_device *dev, void *data, return 0; } -static int drm_queue_vblank_event(struct drm_device *dev, int pipe, +static int drm_queue_vblank_event(struct drm_device *dev, unsigned int pipe, union drm_wait_vblank *vblwait, struct drm_file *file_priv) { @@ -1538,7 +1550,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, vblwait->reply.sequence = vblwait->request.sequence; } - DRM_DEBUG("event on vblank count %d, current %d, crtc %d\n", + DRM_DEBUG("event on vblank count %d, current %d, crtc %u\n", vblwait->request.sequence, seq, pipe); trace_drm_vblank_event_queued(current->pid, pipe, @@ -1587,7 +1599,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_vblank_crtc *vblank; union drm_wait_vblank *vblwait = data; int ret; - unsigned int flags, seq, crtc, high_crtc; + unsigned int flags, seq, pipe, high_pipe; if (!dev->irq_enabled) return -EINVAL; @@ -1606,22 +1618,22 @@ int drm_wait_vblank(struct drm_device *dev, void *data, } flags = vblwait->request.type & _DRM_VBLANK_FLAGS_MASK; - high_crtc = (vblwait->request.type & _DRM_VBLANK_HIGH_CRTC_MASK); - if (high_crtc) - crtc = high_crtc >> _DRM_VBLANK_HIGH_CRTC_SHIFT; + high_pipe = (vblwait->request.type & _DRM_VBLANK_HIGH_CRTC_MASK); + if (high_pipe) + pipe = high_pipe >> _DRM_VBLANK_HIGH_CRTC_SHIFT; else - crtc = flags & _DRM_VBLANK_SECONDARY ? 1 : 0; - if (crtc >= dev->num_crtcs) + pipe = flags & _DRM_VBLANK_SECONDARY ? 1 : 0; + if (pipe >= dev->num_crtcs) return -EINVAL; - vblank = &dev->vblank[crtc]; + vblank = &dev->vblank[pipe]; - ret = drm_vblank_get(dev, crtc); + ret = drm_vblank_get(dev, pipe); if (ret) { DRM_DEBUG("failed to acquire vblank counter, %d\n", ret); return ret; } - seq = drm_vblank_count(dev, crtc); + seq = drm_vblank_count(dev, pipe); switch (vblwait->request.type & _DRM_VBLANK_TYPES_MASK) { case _DRM_VBLANK_RELATIVE: @@ -1638,7 +1650,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, /* must hold on to the vblank ref until the event fires * drm_vblank_put will be called asynchronously */ - return drm_queue_vblank_event(dev, crtc, vblwait, file_priv); + return drm_queue_vblank_event(dev, pipe, vblwait, file_priv); } if ((flags & _DRM_VBLANK_NEXTONMISS) && @@ -1646,11 +1658,11 @@ int drm_wait_vblank(struct drm_device *dev, void *data, vblwait->request.sequence = seq + 1; } - DRM_DEBUG("waiting on vblank count %d, crtc %d\n", - vblwait->request.sequence, crtc); + DRM_DEBUG("waiting on vblank count %d, crtc %u\n", + vblwait->request.sequence, pipe); vblank->last_wait = vblwait->request.sequence; DRM_WAIT_ON(ret, vblank->queue, 3 * HZ, - (((drm_vblank_count(dev, crtc) - + (((drm_vblank_count(dev, pipe) - vblwait->request.sequence) <= (1 << 23)) || !vblank->enabled || !dev->irq_enabled)); @@ -1658,7 +1670,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, if (ret != -EINTR) { struct timeval now; - vblwait->reply.sequence = drm_vblank_count_and_time(dev, crtc, &now); + vblwait->reply.sequence = drm_vblank_count_and_time(dev, pipe, &now); vblwait->reply.tval_sec = now.tv_sec; vblwait->reply.tval_usec = now.tv_usec; @@ -1669,11 +1681,11 @@ int drm_wait_vblank(struct drm_device *dev, void *data, } done: - drm_vblank_put(dev, crtc); + drm_vblank_put(dev, pipe); return ret; } -static void drm_handle_vblank_events(struct drm_device *dev, int crtc) +static void drm_handle_vblank_events(struct drm_device *dev, unsigned int pipe) { struct drm_pending_vblank_event *e, *t; struct timeval now; @@ -1681,10 +1693,10 @@ static void drm_handle_vblank_events(struct drm_device *dev, int crtc) assert_spin_locked(&dev->event_lock); - seq = drm_vblank_count_and_time(dev, crtc, &now); + seq = drm_vblank_count_and_time(dev, pipe, &now); list_for_each_entry_safe(e, t, &dev->vblank_event_list, base.link) { - if (e->pipe != crtc) + if (e->pipe != pipe) continue; if ((seq - e->event.sequence) > (1<<23)) continue; @@ -1693,26 +1705,26 @@ static void drm_handle_vblank_events(struct drm_device *dev, int crtc) e->event.sequence, seq); list_del(&e->base.link); - drm_vblank_put(dev, e->pipe); + drm_vblank_put(dev, pipe); send_vblank_event(dev, e, seq, &now); } - trace_drm_vblank_event(crtc, seq); + trace_drm_vblank_event(pipe, seq); } /** * drm_handle_vblank - handle a vblank event * @dev: DRM device - * @crtc: where this event occurred + * @pipe: index of CRTC where this event occurred * * Drivers should call this routine in their vblank interrupt handlers to * update the vblank counter and send any signals that may be pending. * * This is the legacy version of drm_crtc_handle_vblank(). */ -bool drm_handle_vblank(struct drm_device *dev, int crtc) +bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe) { - struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; u32 vblcount; s64 diff_ns; struct timeval tvblank; @@ -1721,7 +1733,7 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc) if (WARN_ON_ONCE(!dev->num_crtcs)) return false; - if (WARN_ON(crtc >= dev->num_crtcs)) + if (WARN_ON(pipe >= dev->num_crtcs)) return false; spin_lock_irqsave(&dev->event_lock, irqflags); @@ -1745,11 +1757,11 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc) /* Get current timestamp and count. */ vblcount = vblank->count; - drm_get_last_vbltimestamp(dev, crtc, &tvblank, DRM_CALLED_FROM_VBLIRQ); + drm_get_last_vbltimestamp(dev, pipe, &tvblank, DRM_CALLED_FROM_VBLIRQ); /* Compute time difference to timestamp of last vblank */ diff_ns = timeval_to_ns(&tvblank) - - timeval_to_ns(&vblanktimestamp(dev, crtc, vblcount)); + timeval_to_ns(&vblanktimestamp(dev, pipe, vblcount)); /* Update vblank timestamp and count if at least * DRM_REDUNDANT_VBLIRQ_THRESH_NS nanoseconds @@ -1761,15 +1773,15 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc) * ignore those for accounting. */ if (abs64(diff_ns) > DRM_REDUNDANT_VBLIRQ_THRESH_NS) - store_vblank(dev, crtc, 1, &tvblank); + store_vblank(dev, pipe, 1, &tvblank); else - DRM_DEBUG("crtc %d: Redundant vblirq ignored. diff_ns = %d\n", - crtc, (int) diff_ns); + DRM_DEBUG("crtc %u: Redundant vblirq ignored. diff_ns = %d\n", + pipe, (int) diff_ns); spin_unlock(&dev->vblank_time_lock); wake_up(&vblank->queue); - drm_handle_vblank_events(dev, crtc); + drm_handle_vblank_events(dev, pipe); spin_unlock_irqrestore(&dev->event_lock, irqflags); diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c index 744dfbc6a329..fba321ca4344 100644 --- a/drivers/gpu/drm/drm_modeset_lock.c +++ b/drivers/gpu/drm/drm_modeset_lock.c @@ -55,41 +55,27 @@ * drm_modeset_acquire_fini(&ctx); */ - /** - * __drm_modeset_lock_all - internal helper to grab all modeset locks - * @dev: DRM device - * @trylock: trylock mode for atomic contexts - * - * This is a special version of drm_modeset_lock_all() which can also be used in - * atomic contexts. Then @trylock must be set to true. + * drm_modeset_lock_all - take all modeset locks + * @dev: drm device * - * Returns: - * 0 on success or negative error code on failure. + * This function takes all modeset locks, suitable where a more fine-grained + * scheme isn't (yet) implemented. Locks must be dropped with + * drm_modeset_unlock_all. */ -int __drm_modeset_lock_all(struct drm_device *dev, - bool trylock) +void drm_modeset_lock_all(struct drm_device *dev) { struct drm_mode_config *config = &dev->mode_config; struct drm_modeset_acquire_ctx *ctx; int ret; - ctx = kzalloc(sizeof(*ctx), - trylock ? GFP_ATOMIC : GFP_KERNEL); - if (!ctx) - return -ENOMEM; + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + if (WARN_ON(!ctx)) + return; - if (trylock) { - if (!mutex_trylock(&config->mutex)) { - ret = -EBUSY; - goto out; - } - } else { - mutex_lock(&config->mutex); - } + mutex_lock(&config->mutex); drm_modeset_acquire_init(ctx, 0); - ctx->trylock_only = trylock; retry: ret = drm_modeset_lock(&config->connection_mutex, ctx); @@ -108,7 +94,7 @@ retry: drm_warn_on_modeset_not_all_locked(dev); - return 0; + return; fail: if (ret == -EDEADLK) { @@ -116,23 +102,7 @@ fail: goto retry; } -out: kfree(ctx); - return ret; -} -EXPORT_SYMBOL(__drm_modeset_lock_all); - -/** - * drm_modeset_lock_all - take all modeset locks - * @dev: drm device - * - * This function takes all modeset locks, suitable where a more fine-grained - * scheme isn't (yet) implemented. Locks must be dropped with - * drm_modeset_unlock_all. - */ -void drm_modeset_lock_all(struct drm_device *dev) -{ - WARN_ON(__drm_modeset_lock_all(dev, false) != 0); } EXPORT_SYMBOL(drm_modeset_lock_all); diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index 46c704573306..5e5a07af02c8 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -437,7 +437,7 @@ int drm_plane_helper_commit(struct drm_plane *plane, for (i = 0; i < 2; i++) { if (crtc_funcs[i] && crtc_funcs[i]->atomic_begin) - crtc_funcs[i]->atomic_begin(crtc[i]); + crtc_funcs[i]->atomic_begin(crtc[i], crtc[i]->state); } /* @@ -452,7 +452,7 @@ int drm_plane_helper_commit(struct drm_plane *plane, for (i = 0; i < 2; i++) { if (crtc_funcs[i] && crtc_funcs[i]->atomic_flush) - crtc_funcs[i]->atomic_flush(crtc[i]); + crtc_funcs[i]->atomic_flush(crtc[i], crtc[i]->state); } /* diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 644b4b76e071..1610757230a5 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -80,7 +80,8 @@ exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) exynos_crtc->ops->commit(exynos_crtc); } -static void exynos_crtc_atomic_begin(struct drm_crtc *crtc) +static void exynos_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); @@ -90,7 +91,8 @@ static void exynos_crtc_atomic_begin(struct drm_crtc *crtc) } } -static void exynos_crtc_atomic_flush(struct drm_crtc *crtc) +static void exynos_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index e0b085b4bdfa..dd64bc04ffbb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -65,9 +65,9 @@ static int exynos_drm_fb_mmap(struct fb_info *info, static struct fb_ops exynos_drm_fb_ops = { .owner = THIS_MODULE, .fb_mmap = exynos_drm_fb_mmap, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, @@ -142,10 +142,10 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, mutex_lock(&dev->struct_mutex); - fbi = framebuffer_alloc(0, &pdev->dev); - if (!fbi) { + fbi = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(fbi)) { DRM_ERROR("failed to allocate fb info.\n"); - ret = -ENOMEM; + ret = PTR_ERR(fbi); goto out; } @@ -165,7 +165,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, if (IS_ERR(exynos_gem_obj)) { ret = PTR_ERR(exynos_gem_obj); - goto err_release_framebuffer; + goto err_release_fbi; } exynos_fbdev->exynos_gem_obj = exynos_gem_obj; @@ -178,33 +178,23 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, goto err_destroy_gem; } - helper->fbdev = fbi; - fbi->par = helper; fbi->flags = FBINFO_FLAG_DEFAULT; fbi->fbops = &exynos_drm_fb_ops; - ret = fb_alloc_cmap(&fbi->cmap, 256, 0); - if (ret) { - DRM_ERROR("failed to allocate cmap.\n"); - goto err_destroy_framebuffer; - } - ret = exynos_drm_fbdev_update(helper, sizes, helper->fb); if (ret < 0) - goto err_dealloc_cmap; + goto err_destroy_framebuffer; mutex_unlock(&dev->struct_mutex); return ret; -err_dealloc_cmap: - fb_dealloc_cmap(&fbi->cmap); err_destroy_framebuffer: drm_framebuffer_cleanup(helper->fb); err_destroy_gem: exynos_drm_gem_destroy(exynos_gem_obj); -err_release_framebuffer: - framebuffer_release(fbi); +err_release_fbi: + drm_fb_helper_release_fbi(helper); /* * if failed, all resources allocated above would be released by @@ -312,21 +302,8 @@ static void exynos_drm_fbdev_destroy(struct drm_device *dev, } } - /* release linux framebuffer */ - if (fb_helper->fbdev) { - struct fb_info *info; - int ret; - - info = fb_helper->fbdev; - ret = unregister_framebuffer(info); - if (ret < 0) - DRM_DEBUG_KMS("failed unregister_framebuffer()\n"); - - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(fb_helper); + drm_fb_helper_release_fbi(fb_helper); drm_fb_helper_fini(fb_helper); } diff --git a/drivers/gpu/drm/gma500/accel_2d.c b/drivers/gpu/drm/gma500/accel_2d.c index de6f62a6ceb7..db9f7d011832 100644 --- a/drivers/gpu/drm/gma500/accel_2d.c +++ b/drivers/gpu/drm/gma500/accel_2d.c @@ -276,12 +276,12 @@ static void psbfb_copyarea_accel(struct fb_info *info, break; default: /* software fallback */ - cfb_copyarea(info, a); + drm_fb_helper_cfb_copyarea(info, a); return; } if (!gma_power_begin(dev, false)) { - cfb_copyarea(info, a); + drm_fb_helper_cfb_copyarea(info, a); return; } psb_accel_2d_copy(dev_priv, @@ -308,7 +308,7 @@ void psbfb_copyarea(struct fb_info *info, /* Avoid the 8 pixel erratum */ if (region->width == 8 || region->height == 8 || (info->flags & FBINFO_HWACCEL_DISABLED)) - return cfb_copyarea(info, region); + return drm_fb_helper_cfb_copyarea(info, region); psbfb_copyarea_accel(info, region); } diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 2d42ce6d3757..2eaf1b31c7bd 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -194,9 +194,9 @@ static struct fb_ops psbfb_ops = { .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, + .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = psbfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_mmap = psbfb_mmap, .fb_sync = psbfb_sync, .fb_ioctl = psbfb_ioctl, @@ -208,9 +208,9 @@ static struct fb_ops psbfb_roll_ops = { .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_pan_display = psbfb_pan, .fb_mmap = psbfb_mmap, .fb_ioctl = psbfb_ioctl, @@ -222,9 +222,9 @@ static struct fb_ops psbfb_unaccel_ops = { .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_mmap = psbfb_mmap, .fb_ioctl = psbfb_ioctl, }; @@ -343,7 +343,6 @@ static int psbfb_create(struct psb_fbdev *fbdev, struct drm_framebuffer *fb; struct psb_framebuffer *psbfb = &fbdev->pfb; struct drm_mode_fb_cmd2 mode_cmd; - struct device *device = &dev->pdev->dev; int size; int ret; struct gtt_range *backing; @@ -409,9 +408,9 @@ static int psbfb_create(struct psb_fbdev *fbdev, mutex_lock(&dev->struct_mutex); - info = framebuffer_alloc(0, device); - if (!info) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto out_err1; } info->par = fbdev; @@ -426,7 +425,6 @@ static int psbfb_create(struct psb_fbdev *fbdev, psbfb->fbdev = info; fbdev->psb_fb_helper.fb = fb; - fbdev->psb_fb_helper.fbdev = info; drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); strcpy(info->fix.id, "psbdrmfb"); @@ -440,12 +438,6 @@ static int psbfb_create(struct psb_fbdev *fbdev, } else /* Software */ info->fbops = &psbfb_unaccel_ops; - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_unref; - } - info->fix.smem_start = dev->mode_config.fb_base; info->fix.smem_len = size; info->fix.ywrapstep = gtt_roll; @@ -456,11 +448,6 @@ static int psbfb_create(struct psb_fbdev *fbdev, info->screen_size = size; if (dev_priv->gtt.stolen_size) { - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_unref; - } info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->gtt.stolen_size; } @@ -483,6 +470,8 @@ out_unref: psb_gtt_free_range(dev, backing); else drm_gem_object_unreference(&backing->gem); + + drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); out_err1: mutex_unlock(&dev->struct_mutex); psb_gtt_free_range(dev, backing); @@ -570,16 +559,11 @@ static const struct drm_fb_helper_funcs psb_fb_helper_funcs = { static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) { - struct fb_info *info; struct psb_framebuffer *psbfb = &fbdev->pfb; - if (fbdev->psb_fb_helper.fbdev) { - info = fbdev->psb_fb_helper.fbdev; - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper); + drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); + drm_fb_helper_fini(&fbdev->psb_fb_helper); drm_framebuffer_unregister_private(&psbfb->base); drm_framebuffer_cleanup(&psbfb->base); diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index eb87e2538861..051eab33e4c7 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -36,21 +36,6 @@ config DRM_I915 i810 driver instead, and the Atom z5xx series has an entirely different implementation. -config DRM_I915_FBDEV - bool "Enable legacy fbdev support for the modesetting intel driver" - depends on DRM_I915 - select DRM_KMS_FB_HELPER - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - default y - help - Choose this option if you have a need for the legacy fbdev - support. Note that this support also provide the linux console - support on top of the intel modesetting driver. - - If in doubt, say "Y". - config DRM_I915_PRELIMINARY_HW_SUPPORT bool "Enable preliminary support for prerelease Intel hardware by default" depends on DRM_I915 diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index e52e01251644..b3d9992f0210 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -59,7 +59,7 @@ i915-y += intel_audio.o \ intel_sideband.o \ intel_sprite.o i915-$(CONFIG_ACPI) += intel_acpi.o intel_opregion.o -i915-$(CONFIG_DRM_I915_FBDEV) += intel_fbdev.o +i915-$(CONFIG_DRM_FBDEV_EMULATION) += intel_fbdev.o # modesetting output/encoder code i915-y += dvo_ch7017.o \ diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 51580bdd587f..36fe31875737 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1868,7 +1868,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) struct intel_framebuffer *fb; struct drm_framebuffer *drm_fb; -#ifdef CONFIG_DRM_I915_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct drm_i915_private *dev_priv = dev->dev_private; ifbdev = dev_priv->fbdev; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 23ce125e0298..e9d2befbcaf3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1854,7 +1854,7 @@ struct drm_i915_private { struct drm_i915_gem_object *vlv_pctx; -#ifdef CONFIG_DRM_I915_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION /* list of fbdev register on this device */ struct intel_fbdev *fbdev; struct work_struct fbdev_suspend_work; diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 521af2c069cb..5d78c1feec81 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -237,7 +237,7 @@ static void intel_enable_crt(struct intel_encoder *encoder) } /* Special dpms function to support cloning between dvo/sdvo/crt. */ -static void intel_crt_dpms(struct drm_connector *connector, int mode) +static int intel_crt_dpms(struct drm_connector *connector, int mode) { struct drm_device *dev = connector->dev; struct intel_encoder *encoder = intel_attached_encoder(connector); @@ -249,7 +249,7 @@ static void intel_crt_dpms(struct drm_connector *connector, int mode) mode = DRM_MODE_DPMS_OFF; if (mode == connector->dpms) - return; + return 0; old_dpms = connector->dpms; connector->dpms = mode; @@ -258,7 +258,7 @@ static void intel_crt_dpms(struct drm_connector *connector, int mode) crtc = encoder->base.crtc; if (!crtc) { encoder->connectors_active = false; - return; + return 0; } /* We need the pipe to run for anything but OFF. */ @@ -281,6 +281,8 @@ static void intel_crt_dpms(struct drm_connector *connector, int mode) } intel_modeset_check_state(connector->dev); + + return 0; } static enum drm_mode_status diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index af0bcfee4771..0a1d4a5d152d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -102,8 +102,8 @@ static void vlv_prepare_pll(struct intel_crtc *crtc, const struct intel_crtc_state *pipe_config); static void chv_prepare_pll(struct intel_crtc *crtc, const struct intel_crtc_state *pipe_config); -static void intel_begin_crtc_commit(struct drm_crtc *crtc); -static void intel_finish_crtc_commit(struct drm_crtc *crtc); +static void intel_begin_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); +static void intel_finish_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state); static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, @@ -413,7 +413,7 @@ static const intel_limit_t intel_limits_bxt = { static bool needs_modeset(struct drm_crtc_state *state) { - return state->mode_changed || state->active_changed; + return drm_atomic_crtc_needs_modeset(state); } /** @@ -6429,14 +6429,14 @@ struct intel_connector *intel_connector_alloc(void) /* Even simpler default implementation, if there's really no special case to * consider. */ -void intel_connector_dpms(struct drm_connector *connector, int mode) +int intel_connector_dpms(struct drm_connector *connector, int mode) { /* All the simple cases only support two dpms states. */ if (mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; if (mode == connector->dpms) - return; + return 0; connector->dpms = mode; @@ -6445,6 +6445,8 @@ void intel_connector_dpms(struct drm_connector *connector, int mode) intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); intel_modeset_check_state(connector->dev); + + return 0; } /* Simple connector->get_hw_state implementation for encoders that support only @@ -10219,7 +10221,7 @@ static struct drm_framebuffer * mode_fits_in_fbdev(struct drm_device *dev, struct drm_display_mode *mode) { -#ifdef CONFIG_DRM_I915_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj; struct drm_framebuffer *fb; @@ -12347,16 +12349,9 @@ intel_modeset_update_state(struct drm_atomic_state *state) continue; if (crtc->state->active) { - struct drm_property *dpms_property = - dev->mode_config.dpms_property; - - connector->dpms = DRM_MODE_DPMS_ON; - drm_object_property_set_value(&connector->base, dpms_property, DRM_MODE_DPMS_ON); - intel_encoder = to_intel_encoder(connector->encoder); intel_encoder->connectors_active = true; - } else - connector->dpms = DRM_MODE_DPMS_OFF; + } } } @@ -13628,7 +13623,8 @@ intel_disable_primary_plane(struct drm_plane *plane, dev_priv->display.update_primary_plane(crtc, NULL, 0, 0); } -static void intel_begin_crtc_commit(struct drm_crtc *crtc) +static void intel_begin_crtc_commit(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct drm_device *dev = crtc->dev; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -13644,7 +13640,8 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc) skl_detach_scalers(intel_crtc); } -static void intel_finish_crtc_commit(struct drm_crtc *crtc) +static void intel_finish_crtc_commit(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -13684,7 +13681,7 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, struct intel_plane *primary; struct intel_plane_state *state; const uint32_t *intel_primary_formats; - int num_formats; + unsigned int num_formats; primary = kzalloc(sizeof(*primary), GFP_KERNEL); if (primary == NULL) @@ -14478,7 +14475,7 @@ intel_user_framebuffer_create(struct drm_device *dev, return intel_framebuffer_create(dev, mode_cmd, obj); } -#ifndef CONFIG_DRM_I915_FBDEV +#ifndef CONFIG_DRM_FBDEV_EMULATION static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) { } diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 585f0a45b3f1..efc8cf53f0f3 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -395,7 +395,7 @@ static bool intel_dp_mst_get_hw_state(struct intel_connector *connector) static void intel_connector_add_to_fbdev(struct intel_connector *connector) { -#ifdef CONFIG_DRM_I915_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct drm_i915_private *dev_priv = to_i915(connector->base.dev); drm_fb_helper_add_one_connector(&dev_priv->fbdev->helper, &connector->base); #endif @@ -403,7 +403,7 @@ static void intel_connector_add_to_fbdev(struct intel_connector *connector) static void intel_connector_remove_from_fbdev(struct intel_connector *connector) { -#ifdef CONFIG_DRM_I915_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct drm_i915_private *dev_priv = to_i915(connector->base.dev); drm_fb_helper_remove_one_connector(&dev_priv->fbdev->helper, &connector->base); #endif diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 47cef0e6c79c..2e743d6abffd 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -997,7 +997,7 @@ void intel_crtc_update_dpms(struct drm_crtc *crtc); void intel_encoder_destroy(struct drm_encoder *encoder); int intel_connector_init(struct intel_connector *); struct intel_connector *intel_connector_alloc(void); -void intel_connector_dpms(struct drm_connector *, int mode); +int intel_connector_dpms(struct drm_connector *, int mode); bool intel_connector_get_hw_state(struct intel_connector *connector); void intel_modeset_check_state(struct drm_device *dev); bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, @@ -1203,7 +1203,7 @@ void intel_dvo_init(struct drm_device *dev); /* legacy fbdev emulation in intel_fbdev.c */ -#ifdef CONFIG_DRM_I915_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION extern int intel_fbdev_init(struct drm_device *dev); extern void intel_fbdev_initial_config(void *data, async_cookie_t cookie); extern void intel_fbdev_fini(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index ece5bd754f85..fd5e522abebb 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -197,7 +197,7 @@ static void intel_enable_dvo(struct intel_encoder *encoder) } /* Special dpms function to support cloning between dvo/sdvo/crt. */ -static void intel_dvo_dpms(struct drm_connector *connector, int mode) +static int intel_dvo_dpms(struct drm_connector *connector, int mode) { struct intel_dvo *intel_dvo = intel_attached_dvo(connector); struct drm_crtc *crtc; @@ -208,7 +208,7 @@ static void intel_dvo_dpms(struct drm_connector *connector, int mode) mode = DRM_MODE_DPMS_OFF; if (mode == connector->dpms) - return; + return 0; connector->dpms = mode; @@ -216,7 +216,7 @@ static void intel_dvo_dpms(struct drm_connector *connector, int mode) crtc = intel_dvo->base.base.crtc; if (!crtc) { intel_dvo->base.connectors_active = false; - return; + return 0; } /* We call connector dpms manually below in case pipe dpms doesn't @@ -238,6 +238,8 @@ static void intel_dvo_dpms(struct drm_connector *connector, int mode) } intel_modeset_check_state(connector->dev); + + return 0; } static enum drm_mode_status diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index 7eff33ff84f6..8c6a6fa46005 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -55,13 +55,6 @@ static int intel_fbdev_set_par(struct fb_info *info) ret = drm_fb_helper_set_par(info); if (ret == 0) { - /* - * FIXME: fbdev presumes that all callbacks also work from - * atomic contexts and relies on that for emergency oops - * printing. KMS totally doesn't do that and the locking here is - * by far not the only place this goes wrong. Ignore this for - * now until we solve this for real. - */ mutex_lock(&fb_helper->dev->struct_mutex); intel_fb_obj_invalidate(ifbdev->fb->obj, ORIGIN_GTT); mutex_unlock(&fb_helper->dev->struct_mutex); @@ -80,13 +73,6 @@ static int intel_fbdev_blank(int blank, struct fb_info *info) ret = drm_fb_helper_blank(blank, info); if (ret == 0) { - /* - * FIXME: fbdev presumes that all callbacks also work from - * atomic contexts and relies on that for emergency oops - * printing. KMS totally doesn't do that and the locking here is - * by far not the only place this goes wrong. Ignore this for - * now until we solve this for real. - */ mutex_lock(&fb_helper->dev->struct_mutex); intel_fb_obj_invalidate(ifbdev->fb->obj, ORIGIN_GTT); mutex_unlock(&fb_helper->dev->struct_mutex); @@ -106,13 +92,6 @@ static int intel_fbdev_pan_display(struct fb_var_screeninfo *var, ret = drm_fb_helper_pan_display(var, info); if (ret == 0) { - /* - * FIXME: fbdev presumes that all callbacks also work from - * atomic contexts and relies on that for emergency oops - * printing. KMS totally doesn't do that and the locking here is - * by far not the only place this goes wrong. Ignore this for - * now until we solve this for real. - */ mutex_lock(&fb_helper->dev->struct_mutex); intel_fb_obj_invalidate(ifbdev->fb->obj, ORIGIN_GTT); mutex_unlock(&fb_helper->dev->struct_mutex); @@ -125,9 +104,9 @@ static struct fb_ops intelfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = intel_fbdev_set_par, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_pan_display = intel_fbdev_pan_display, .fb_blank = intel_fbdev_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -236,9 +215,9 @@ static int intelfb_create(struct drm_fb_helper *helper, obj = intel_fb->obj; size = obj->base.size; - info = framebuffer_alloc(0, &dev->pdev->dev); - if (!info) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto out_unpin; } @@ -247,24 +226,13 @@ static int intelfb_create(struct drm_fb_helper *helper, fb = &ifbdev->fb->base; ifbdev->helper.fb = fb; - ifbdev->helper.fbdev = info; strcpy(info->fix.id, "inteldrmfb"); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &intelfb_ops; - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_unpin; - } /* setup aperture base/size for vesafb takeover */ - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_unpin; - } info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->gtt.mappable_end; @@ -276,7 +244,7 @@ static int intelfb_create(struct drm_fb_helper *helper, size); if (!info->screen_base) { ret = -ENOSPC; - goto out_unpin; + goto out_destroy_fbi; } info->screen_size = size; @@ -303,6 +271,8 @@ static int intelfb_create(struct drm_fb_helper *helper, vga_switcheroo_client_fb_set(dev->pdev, info); return 0; +out_destroy_fbi: + drm_fb_helper_release_fbi(helper); out_unpin: i915_gem_object_ggtt_unpin(obj); drm_gem_object_unreference(&obj->base); @@ -544,16 +514,9 @@ static const struct drm_fb_helper_funcs intel_fb_helper_funcs = { static void intel_fbdev_destroy(struct drm_device *dev, struct intel_fbdev *ifbdev) { - if (ifbdev->helper.fbdev) { - struct fb_info *info = ifbdev->helper.fbdev; - unregister_framebuffer(info); - iounmap(info->screen_base); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&ifbdev->helper); + drm_fb_helper_release_fbi(&ifbdev->helper); drm_fb_helper_fini(&ifbdev->helper); @@ -802,7 +765,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous if (state == FBINFO_STATE_RUNNING && ifbdev->fb->obj->stolen) memset_io(info->screen_base, 0, info->screen_size); - fb_set_suspend(info, state); + drm_fb_helper_set_suspend(&ifbdev->helper, state); console_unlock(); } diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index aa2fd751609c..2c435a79d4da 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1509,7 +1509,7 @@ static void intel_enable_sdvo(struct intel_encoder *encoder) } /* Special dpms function to support cloning between dvo/sdvo/crt. */ -static void intel_sdvo_dpms(struct drm_connector *connector, int mode) +static int intel_sdvo_dpms(struct drm_connector *connector, int mode) { struct drm_crtc *crtc; struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); @@ -1519,7 +1519,7 @@ static void intel_sdvo_dpms(struct drm_connector *connector, int mode) mode = DRM_MODE_DPMS_OFF; if (mode == connector->dpms) - return; + return 0; connector->dpms = mode; @@ -1527,7 +1527,7 @@ static void intel_sdvo_dpms(struct drm_connector *connector, int mode) crtc = intel_sdvo->base.base.crtc; if (!crtc) { intel_sdvo->base.connectors_active = false; - return; + return 0; } /* We set active outputs manually below in case pipe dpms doesn't change @@ -1551,6 +1551,8 @@ static void intel_sdvo_dpms(struct drm_connector *connector, int mode) } intel_modeset_check_state(connector->dev); + + return 0; } static enum drm_mode_status diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c index 9f9780b7ddf0..4f2068fe5d88 100644 --- a/drivers/gpu/drm/mgag200/mgag200_cursor.c +++ b/drivers/gpu/drm/mgag200/mgag200_cursor.c @@ -70,18 +70,22 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, BUG_ON(pixels_2 != pixels_current && pixels_2 != pixels_prev); BUG_ON(pixels_current == pixels_prev); + obj = drm_gem_object_lookup(dev, file_priv, handle); + if (!obj) + return -ENOENT; + ret = mgag200_bo_reserve(pixels_1, true); if (ret) { WREG8(MGA_CURPOSXL, 0); WREG8(MGA_CURPOSXH, 0); - return ret; + goto out_unref; } ret = mgag200_bo_reserve(pixels_2, true); if (ret) { WREG8(MGA_CURPOSXL, 0); WREG8(MGA_CURPOSXH, 0); mgag200_bo_unreserve(pixels_1); - return ret; + goto out_unreserve1; } if (!handle) { @@ -106,16 +110,6 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, } } - mutex_lock(&dev->struct_mutex); - obj = drm_gem_object_lookup(dev, file_priv, handle); - if (!obj) { - mutex_unlock(&dev->struct_mutex); - ret = -ENOENT; - goto out1; - } - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - bo = gem_to_mga_bo(obj); ret = mgag200_bo_reserve(bo, true); if (ret) { @@ -252,7 +246,11 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, if (ret) mga_hide_cursor(mdev); mgag200_bo_unreserve(pixels_1); +out_unreserve1: mgag200_bo_unreserve(pixels_2); +out_unref: + drm_gem_object_unreference_unlocked(obj); + return ret; } diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 958cf3cf082d..87de15ea1f93 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -101,7 +101,7 @@ static void mga_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct mga_fbdev *mfbdev = info->par; - sys_fillrect(info, rect); + drm_fb_helper_sys_fillrect(info, rect); mga_dirty_update(mfbdev, rect->dx, rect->dy, rect->width, rect->height); } @@ -110,7 +110,7 @@ static void mga_copyarea(struct fb_info *info, const struct fb_copyarea *area) { struct mga_fbdev *mfbdev = info->par; - sys_copyarea(info, area); + drm_fb_helper_sys_copyarea(info, area); mga_dirty_update(mfbdev, area->dx, area->dy, area->width, area->height); } @@ -119,7 +119,7 @@ static void mga_imageblit(struct fb_info *info, const struct fb_image *image) { struct mga_fbdev *mfbdev = info->par; - sys_imageblit(info, image); + drm_fb_helper_sys_imageblit(info, image); mga_dirty_update(mfbdev, image->dx, image->dy, image->width, image->height); } @@ -166,7 +166,6 @@ static int mgag200fb_create(struct drm_fb_helper *helper, struct fb_info *info; struct drm_framebuffer *fb; struct drm_gem_object *gobj = NULL; - struct device *device = &dev->pdev->dev; int ret; void *sysram; int size; @@ -189,9 +188,9 @@ static int mgag200fb_create(struct drm_fb_helper *helper, if (!sysram) return -ENOMEM; - info = framebuffer_alloc(0, device); - if (info == NULL) - return -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) + return PTR_ERR(info); info->par = mfbdev; @@ -206,14 +205,6 @@ static int mgag200fb_create(struct drm_fb_helper *helper, /* setup helper */ mfbdev->helper.fb = fb; - mfbdev->helper.fbdev = info; - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - DRM_ERROR("%s: can't allocate color map\n", info->fix.id); - ret = -ENOMEM; - goto out; - } strcpy(info->fix.id, "mgadrmfb"); @@ -221,11 +212,6 @@ static int mgag200fb_create(struct drm_fb_helper *helper, info->fbops = &mgag200fb_ops; /* setup aperture base/size for vesafb takeover */ - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out; - } info->apertures->ranges[0].base = mdev->dev->mode_config.fb_base; info->apertures->ranges[0].size = mdev->mc.vram_size; @@ -240,24 +226,15 @@ static int mgag200fb_create(struct drm_fb_helper *helper, DRM_DEBUG_KMS("allocated %dx%d\n", fb->width, fb->height); return 0; -out: - return ret; } static int mga_fbdev_destroy(struct drm_device *dev, struct mga_fbdev *mfbdev) { - struct fb_info *info; struct mga_framebuffer *mfb = &mfbdev->mfb; - if (mfbdev->helper.fbdev) { - info = mfbdev->helper.fbdev; - - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&mfbdev->helper); + drm_fb_helper_release_fbi(&mfbdev->helper); if (mfb->obj) { drm_gem_object_unreference_unlocked(mfb->obj); diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index f6b283b8375e..c99c2cb28939 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -345,23 +345,15 @@ mgag200_dumb_mmap_offset(struct drm_file *file, uint64_t *offset) { struct drm_gem_object *obj; - int ret; struct mgag200_bo *bo; - mutex_lock(&dev->struct_mutex); obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto out_unlock; - } + if (obj == NULL) + return -ENOENT; bo = gem_to_mga_bo(obj); *offset = mgag200_bo_mmap_offset(bo); - drm_gem_object_unreference(obj); - ret = 0; -out_unlock: - mutex_unlock(&dev->struct_mutex); - return ret; - + drm_gem_object_unreference_unlocked(obj); + return 0; } diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index c4bb9d9c7667..4dc158ed2e95 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -334,13 +334,15 @@ static int mdp4_crtc_atomic_check(struct drm_crtc *crtc, return 0; } -static void mdp4_crtc_atomic_begin(struct drm_crtc *crtc) +static void mdp4_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); DBG("%s: begin", mdp4_crtc->name); } -static void mdp4_crtc_atomic_flush(struct drm_crtc *crtc) +static void mdp4_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct drm_device *dev = crtc->dev; diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index dea3d2e559b1..4c1df4e6e5bc 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -388,13 +388,15 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, return 0; } -static void mdp5_crtc_atomic_begin(struct drm_crtc *crtc) +static void mdp5_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc); DBG("%s: begin", mdp5_crtc->name); } -static void mdp5_crtc_atomic_flush(struct drm_crtc *crtc) +static void mdp5_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc); struct drm_device *dev = crtc->dev; diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c index 95f6532df02d..f97a1964ef39 100644 --- a/drivers/gpu/drm/msm/msm_fbdev.c +++ b/drivers/gpu/drm/msm/msm_fbdev.c @@ -43,11 +43,11 @@ static struct fb_ops msm_fb_ops = { /* Note: to properly handle manual update displays, we wrap the * basic fbdev ops which write to the framebuffer */ - .fb_read = fb_sys_read, - .fb_write = fb_sys_write, - .fb_fillrect = sys_fillrect, - .fb_copyarea = sys_copyarea, - .fb_imageblit = sys_imageblit, + .fb_read = drm_fb_helper_sys_read, + .fb_write = drm_fb_helper_sys_write, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, .fb_mmap = msm_fbdev_mmap, .fb_check_var = drm_fb_helper_check_var, @@ -144,10 +144,10 @@ static int msm_fbdev_create(struct drm_fb_helper *helper, goto fail_unlock; } - fbi = framebuffer_alloc(0, dev->dev); - if (!fbi) { + fbi = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(fbi)) { dev_err(dev->dev, "failed to allocate fb info\n"); - ret = -ENOMEM; + ret = PTR_ERR(fbi); goto fail_unlock; } @@ -155,7 +155,6 @@ static int msm_fbdev_create(struct drm_fb_helper *helper, fbdev->fb = fb; helper->fb = fb; - helper->fbdev = fbi; fbi->par = helper; fbi->flags = FBINFO_DEFAULT; @@ -163,12 +162,6 @@ static int msm_fbdev_create(struct drm_fb_helper *helper, strcpy(fbi->fix.id, "msm"); - ret = fb_alloc_cmap(&fbi->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto fail_unlock; - } - drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height); @@ -191,7 +184,6 @@ fail_unlock: fail: if (ret) { - framebuffer_release(fbi); if (fb) { drm_framebuffer_unregister_private(fb); drm_framebuffer_remove(fb); @@ -266,17 +258,11 @@ void msm_fbdev_free(struct drm_device *dev) struct msm_drm_private *priv = dev->dev_private; struct drm_fb_helper *helper = priv->fbdev; struct msm_fbdev *fbdev; - struct fb_info *fbi; DBG(); - fbi = helper->fbdev; - - /* only cleanup framebuffer if it is present */ - if (fbi) { - unregister_framebuffer(fbi); - framebuffer_release(fbi); - } + drm_fb_helper_unregister_fbi(helper); + drm_fb_helper_release_fbi(helper); drm_fb_helper_fini(helper); diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c index 9f2498571d09..5f6ea1873f51 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c +++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c @@ -261,7 +261,7 @@ nv10_overlay_init(struct drm_device *device) { struct nouveau_drm *drm = nouveau_drm(device); struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL); - int num_formats = ARRAY_SIZE(formats); + unsigned int num_formats = ARRAY_SIZE(formats); int ret; if (!plane) diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 3162040bc314..1f26eba245d1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -919,7 +919,7 @@ nouveau_connector_funcs_lvds = { .force = nouveau_connector_force }; -static void +static int nouveau_connector_dp_dpms(struct drm_connector *connector, int mode) { struct nouveau_encoder *nv_encoder = NULL; @@ -938,7 +938,7 @@ nouveau_connector_dp_dpms(struct drm_connector *connector, int mode) } } - drm_helper_connector_dpms(connector, mode); + return drm_helper_connector_dpms(connector, mode); } static const struct drm_connector_funcs diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 6751553abe4a..2791701685dc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -84,7 +84,7 @@ nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect) if (ret != -ENODEV) nouveau_fbcon_gpu_lockup(info); - cfb_fillrect(info, rect); + drm_fb_helper_cfb_fillrect(info, rect); } static void @@ -116,7 +116,7 @@ nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image) if (ret != -ENODEV) nouveau_fbcon_gpu_lockup(info); - cfb_copyarea(info, image); + drm_fb_helper_cfb_copyarea(info, image); } static void @@ -148,7 +148,7 @@ nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image) if (ret != -ENODEV) nouveau_fbcon_gpu_lockup(info); - cfb_imageblit(info, image); + drm_fb_helper_cfb_imageblit(info, image); } static int @@ -197,9 +197,9 @@ static struct fb_ops nouveau_fbcon_sw_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -319,7 +319,6 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, struct nouveau_channel *chan; struct nouveau_bo *nvbo; struct drm_mode_fb_cmd2 mode_cmd; - struct pci_dev *pdev = dev->pdev; int size, ret; mode_cmd.width = sizes->surface_width; @@ -365,20 +364,13 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, mutex_lock(&dev->struct_mutex); - info = framebuffer_alloc(0, &pdev->dev); - if (!info) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto out_unlock; } info->skip_vt_switch = 1; - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - framebuffer_release(info); - goto out_unlock; - } - info->par = fbcon; nouveau_framebuffer_init(dev, &fbcon->nouveau_fb, &mode_cmd, nvbo); @@ -388,7 +380,6 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, /* setup helper */ fbcon->helper.fb = fb; - fbcon->helper.fbdev = info; strcpy(info->fix.id, "nouveaufb"); if (!chan) @@ -450,15 +441,9 @@ static int nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon) { struct nouveau_framebuffer *nouveau_fb = &fbcon->nouveau_fb; - struct fb_info *info; - if (fbcon->helper.fbdev) { - info = fbcon->helper.fbdev; - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&fbcon->helper); + drm_fb_helper_release_fbi(&fbcon->helper); if (nouveau_fb->nvbo) { nouveau_bo_unmap(nouveau_fb->nvbo); @@ -496,7 +481,7 @@ nouveau_fbcon_set_suspend(struct drm_device *dev, int state) console_lock(); if (state == FBINFO_STATE_RUNNING) nouveau_fbcon_accel_restore(dev); - fb_set_suspend(drm->fbcon->helper.fbdev, state); + drm_fb_helper_set_suspend(&drm->fbcon->helper, state); if (state != FBINFO_STATE_RUNNING) nouveau_fbcon_accel_save_disable(dev); console_unlock(); diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 18f449715788..1f8ec0e2156c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -424,10 +424,8 @@ nouveau_ttm_init(struct nouveau_drm *drm) void nouveau_ttm_fini(struct nouveau_drm *drm) { - mutex_lock(&drm->dev->struct_mutex); ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM); ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT); - mutex_unlock(&drm->dev->struct_mutex); ttm_bo_device_release(&drm->ttm.bdev); diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 23d9c928cdc9..9a4ba4f03567 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -388,11 +388,13 @@ static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc) copy_timings_drm_to_omap(&omap_crtc->timings, mode); } -static void omap_crtc_atomic_begin(struct drm_crtc *crtc) +static void omap_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { } -static void omap_crtc_atomic_flush(struct drm_crtc *crtc) +static void omap_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 720d16bce7e8..b8e4cdec28c3 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -86,11 +86,11 @@ static struct fb_ops omap_fb_ops = { /* Note: to properly handle manual update displays, we wrap the * basic fbdev ops which write to the framebuffer */ - .fb_read = fb_sys_read, - .fb_write = fb_sys_write, - .fb_fillrect = sys_fillrect, - .fb_copyarea = sys_copyarea, - .fb_imageblit = sys_imageblit, + .fb_read = drm_fb_helper_sys_read, + .fb_write = drm_fb_helper_sys_write, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, @@ -179,10 +179,10 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, mutex_lock(&dev->struct_mutex); - fbi = framebuffer_alloc(0, dev->dev); - if (!fbi) { + fbi = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(fbi)) { dev_err(dev->dev, "failed to allocate fb info\n"); - ret = -ENOMEM; + ret = PTR_ERR(fbi); goto fail_unlock; } @@ -190,7 +190,6 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, fbdev->fb = fb; helper->fb = fb; - helper->fbdev = fbi; fbi->par = helper; fbi->flags = FBINFO_DEFAULT; @@ -198,12 +197,6 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, strcpy(fbi->fix.id, MODULE_NAME); - ret = fb_alloc_cmap(&fbi->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto fail_unlock; - } - drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height); @@ -236,8 +229,9 @@ fail_unlock: fail: if (ret) { - if (fbi) - framebuffer_release(fbi); + + drm_fb_helper_release_fbi(helper); + if (fb) { drm_framebuffer_unregister_private(fb); drm_framebuffer_remove(fb); @@ -312,17 +306,11 @@ void omap_fbdev_free(struct drm_device *dev) struct omap_drm_private *priv = dev->dev_private; struct drm_fb_helper *helper = priv->fbdev; struct omap_fbdev *fbdev; - struct fb_info *fbi; DBG(); - fbi = helper->fbdev; - - /* only cleanup framebuffer if it is present */ - if (fbi) { - unregister_framebuffer(fbi); - framebuffer_release(fbi); - } + drm_fb_helper_unregister_fbi(helper); + drm_fb_helper_release_fbi(helper); drm_fb_helper_fini(helper); diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c index 6b6e57e8c2d6..41c422fee31a 100644 --- a/drivers/gpu/drm/qxl/qxl_fb.c +++ b/drivers/gpu/drm/qxl/qxl_fb.c @@ -197,7 +197,7 @@ static void qxl_fb_fillrect(struct fb_info *info, { struct qxl_fbdev *qfbdev = info->par; - sys_fillrect(info, rect); + drm_fb_helper_sys_fillrect(info, rect); qxl_dirty_update(qfbdev, rect->dx, rect->dy, rect->width, rect->height); } @@ -207,7 +207,7 @@ static void qxl_fb_copyarea(struct fb_info *info, { struct qxl_fbdev *qfbdev = info->par; - sys_copyarea(info, area); + drm_fb_helper_sys_copyarea(info, area); qxl_dirty_update(qfbdev, area->dx, area->dy, area->width, area->height); } @@ -217,7 +217,7 @@ static void qxl_fb_imageblit(struct fb_info *info, { struct qxl_fbdev *qfbdev = info->par; - sys_imageblit(info, image); + drm_fb_helper_sys_imageblit(info, image); qxl_dirty_update(qfbdev, image->dx, image->dy, image->width, image->height); } @@ -345,7 +345,6 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev, struct drm_mode_fb_cmd2 mode_cmd; struct drm_gem_object *gobj = NULL; struct qxl_bo *qbo = NULL; - struct device *device = &qdev->pdev->dev; int ret; int size; int bpp = sizes->surface_bpp; @@ -374,9 +373,9 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev, shadow); size = mode_cmd.pitches[0] * mode_cmd.height; - info = framebuffer_alloc(0, device); - if (info == NULL) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(&qfbdev->helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto out_unref; } @@ -388,7 +387,7 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev, /* setup helper with fb data */ qfbdev->helper.fb = fb; - qfbdev->helper.fbdev = info; + qfbdev->shadow = shadow; strcpy(info->fix.id, "qxldrmfb"); @@ -410,11 +409,6 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev, sizes->fb_height); /* setup aperture base/size for vesafb takeover */ - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_unref; - } info->apertures->ranges[0].base = qdev->ddev->mode_config.fb_base; info->apertures->ranges[0].size = qdev->vram_size; @@ -423,13 +417,7 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev, if (info->screen_base == NULL) { ret = -ENOSPC; - goto out_unref; - } - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_unref; + goto out_destroy_fbi; } info->fbdefio = &qxl_defio; @@ -441,6 +429,8 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev, DRM_INFO("fb: depth %d, pitch %d, width %d, height %d\n", fb->depth, fb->pitches[0], fb->width, fb->height); return 0; +out_destroy_fbi: + drm_fb_helper_release_fbi(&qfbdev->helper); out_unref: if (qbo) { ret = qxl_bo_reserve(qbo, false); @@ -479,15 +469,11 @@ static int qxl_fb_find_or_create_single( static int qxl_fbdev_destroy(struct drm_device *dev, struct qxl_fbdev *qfbdev) { - struct fb_info *info; struct qxl_framebuffer *qfb = &qfbdev->qfb; - if (qfbdev->helper.fbdev) { - info = qfbdev->helper.fbdev; + drm_fb_helper_unregister_fbi(&qfbdev->helper); + drm_fb_helper_release_fbi(&qfbdev->helper); - unregister_framebuffer(info); - framebuffer_release(info); - } if (qfb->obj) { qxlfb_destroy_pinned_object(qfb->obj); qfb->obj = NULL; @@ -557,7 +543,7 @@ void qxl_fbdev_fini(struct qxl_device *qdev) void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state) { - fb_set_suspend(qdev->mode_info.qfbdev->helper.fbdev, state); + drm_fb_helper_set_suspend(&qdev->mode_info.qfbdev->helper, state); } bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj) diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c index 6d6f33de48f4..b28370e014c6 100644 --- a/drivers/gpu/drm/qxl/qxl_object.c +++ b/drivers/gpu/drm/qxl/qxl_object.c @@ -272,7 +272,6 @@ void qxl_bo_force_delete(struct qxl_device *qdev) return; dev_err(qdev->dev, "Userspace still has active objects !\n"); list_for_each_entry_safe(bo, n, &qdev->gem.objects, list) { - mutex_lock(&qdev->ddev->struct_mutex); dev_err(qdev->dev, "%p %p %lu %lu force free\n", &bo->gem_base, bo, (unsigned long)bo->gem_base.size, *((unsigned long *)&bo->gem_base.refcount)); @@ -280,8 +279,7 @@ void qxl_bo_force_delete(struct qxl_device *qdev) list_del_init(&bo->list); mutex_unlock(&qdev->gem.mutex); /* this should unref the ttm bo */ - drm_gem_object_unreference(&bo->gem_base); - mutex_unlock(&qdev->ddev->struct_mutex); + drm_gem_object_unreference_unlocked(&bo->gem_base); } } diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index e4fc8f3bf58b..5e09c061847f 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -246,9 +246,10 @@ radeon_dp_mst_connector_destroy(struct drm_connector *connector) kfree(radeon_connector); } -static void radeon_connector_dpms(struct drm_connector *connector, int mode) +static int radeon_connector_dpms(struct drm_connector *connector, int mode) { DRM_DEBUG_KMS("\n"); + return 0; } static const struct drm_connector_funcs radeon_dp_mst_connector_funcs = { diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index aeb676708e60..7214858ffcea 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -82,9 +82,9 @@ static struct fb_ops radeonfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = radeon_fb_helper_set_par, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -227,7 +227,6 @@ static int radeonfb_create(struct drm_fb_helper *helper, struct drm_mode_fb_cmd2 mode_cmd; struct drm_gem_object *gobj = NULL; struct radeon_bo *rbo = NULL; - struct device *device = &rdev->pdev->dev; int ret; unsigned long tmp; @@ -250,9 +249,9 @@ static int radeonfb_create(struct drm_fb_helper *helper, rbo = gem_to_radeon_bo(gobj); /* okay we have an object now allocate the framebuffer */ - info = framebuffer_alloc(0, device); - if (info == NULL) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto out_unref; } @@ -262,14 +261,13 @@ static int radeonfb_create(struct drm_fb_helper *helper, ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj); if (ret) { DRM_ERROR("failed to initialize framebuffer %d\n", ret); - goto out_unref; + goto out_destroy_fbi; } fb = &rfbdev->rfb.base; /* setup helper */ rfbdev->helper.fb = fb; - rfbdev->helper.fbdev = info; memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo)); @@ -289,11 +287,6 @@ static int radeonfb_create(struct drm_fb_helper *helper, drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height); /* setup aperture base/size for vesafb takeover */ - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_unref; - } info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base; info->apertures->ranges[0].size = rdev->mc.aper_size; @@ -301,13 +294,7 @@ static int radeonfb_create(struct drm_fb_helper *helper, if (info->screen_base == NULL) { ret = -ENOSPC; - goto out_unref; - } - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_unref; + goto out_destroy_fbi; } DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); @@ -319,6 +306,8 @@ static int radeonfb_create(struct drm_fb_helper *helper, vga_switcheroo_client_fb_set(rdev->ddev->pdev, info); return 0; +out_destroy_fbi: + drm_fb_helper_release_fbi(helper); out_unref: if (rbo) { @@ -339,17 +328,10 @@ void radeon_fb_output_poll_changed(struct radeon_device *rdev) static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev) { - struct fb_info *info; struct radeon_framebuffer *rfb = &rfbdev->rfb; - if (rfbdev->helper.fbdev) { - info = rfbdev->helper.fbdev; - - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&rfbdev->helper); + drm_fb_helper_release_fbi(&rfbdev->helper); if (rfb->obj) { radeonfb_destroy_pinned_object(rfb->obj); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 65d6ba6621ac..48cb19949ca3 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -496,7 +496,8 @@ static bool rcar_du_crtc_mode_fixup(struct drm_crtc *crtc, return true; } -static void rcar_du_crtc_atomic_begin(struct drm_crtc *crtc) +static void rcar_du_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct drm_pending_vblank_event *event = crtc->state->event; struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); @@ -512,7 +513,8 @@ static void rcar_du_crtc_atomic_begin(struct drm_crtc *crtc) } } -static void rcar_du_crtc_atomic_flush(struct drm_crtc *crtc) +static void rcar_du_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c index 5b0dc0f6fd94..f261512bb4a0 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c @@ -37,9 +37,9 @@ static int rockchip_fbdev_mmap(struct fb_info *info, static struct fb_ops rockchip_drm_fbdev_ops = { .owner = THIS_MODULE, .fb_mmap = rockchip_fbdev_mmap, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = drm_fb_helper_cfb_fillrect, + .fb_copyarea = drm_fb_helper_cfb_copyarea, + .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, @@ -77,10 +77,10 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper, private->fbdev_bo = &rk_obj->base; - fbi = framebuffer_alloc(0, dev->dev); - if (!fbi) { - dev_err(dev->dev, "Failed to allocate framebuffer info.\n"); - ret = -ENOMEM; + fbi = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(fbi)) { + dev_err(dev->dev, "Failed to create framebuffer info.\n"); + ret = PTR_ERR(fbi); goto err_rockchip_gem_free_object; } @@ -89,21 +89,13 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper, if (IS_ERR(helper->fb)) { dev_err(dev->dev, "Failed to allocate DRM framebuffer.\n"); ret = PTR_ERR(helper->fb); - goto err_framebuffer_release; + goto err_release_fbi; } - helper->fbdev = fbi; - fbi->par = helper; fbi->flags = FBINFO_FLAG_DEFAULT; fbi->fbops = &rockchip_drm_fbdev_ops; - ret = fb_alloc_cmap(&fbi->cmap, 256, 0); - if (ret) { - dev_err(dev->dev, "Failed to allocate color map.\n"); - goto err_drm_framebuffer_unref; - } - fb = helper->fb; drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height); @@ -124,10 +116,8 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper, return 0; -err_drm_framebuffer_unref: - drm_framebuffer_unreference(helper->fb); -err_framebuffer_release: - framebuffer_release(fbi); +err_release_fbi: + drm_fb_helper_release_fbi(helper); err_rockchip_gem_free_object: rockchip_gem_free_object(&rk_obj->base); return ret; @@ -190,21 +180,8 @@ void rockchip_drm_fbdev_fini(struct drm_device *dev) helper = &private->fbdev_helper; - if (helper->fbdev) { - struct fb_info *info; - int ret; - - info = helper->fbdev; - ret = unregister_framebuffer(info); - if (ret < 0) - DRM_DEBUG_KMS("failed unregister_framebuffer() - %d\n", - ret); - - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(helper); + drm_fb_helper_release_fbi(helper); if (helper->fb) drm_framebuffer_unreference(helper->fb); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index eba5f8a52fbd..a6d9104f7f15 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -200,13 +200,10 @@ int rockchip_gem_dumb_map_offset(struct drm_file *file_priv, struct drm_gem_object *obj; int ret; - mutex_lock(&dev->struct_mutex); - obj = drm_gem_object_lookup(dev, file_priv, handle); if (!obj) { DRM_ERROR("failed to lookup gem object.\n"); - ret = -EINVAL; - goto unlock; + return -EINVAL; } ret = drm_gem_create_mmap_offset(obj); @@ -217,10 +214,9 @@ int rockchip_gem_dumb_map_offset(struct drm_file *file_priv, DRM_DEBUG_KMS("offset = 0x%llx\n", *offset); out: - drm_gem_object_unreference(obj); -unlock: - mutex_unlock(&dev->struct_mutex); - return ret; + drm_gem_object_unreference_unlocked(obj); + + return 0; } /* diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile index f0f1e4ee2d92..e27490b492a5 100644 --- a/drivers/gpu/drm/sti/Makefile +++ b/drivers/gpu/drm/sti/Makefile @@ -1,12 +1,11 @@ sticompositor-y := \ - sti_layer.o \ sti_mixer.o \ sti_gdp.o \ sti_vid.o \ sti_cursor.o \ sti_compositor.o \ - sti_drm_crtc.o \ - sti_drm_plane.o + sti_crtc.o \ + sti_plane.o stihdmi-y := sti_hdmi.o \ sti_hdmi_tx3g0c55phy.o \ @@ -24,4 +23,4 @@ obj-$(CONFIG_DRM_STI) = \ sticompositor.o \ sti_hqvdp.o \ stidvo.o \ - sti_drm_drv.o + sti_drv.o diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c index 43215d3020fb..c652627b1bca 100644 --- a/drivers/gpu/drm/sti/sti_compositor.c +++ b/drivers/gpu/drm/sti/sti_compositor.c @@ -14,10 +14,12 @@ #include <drm/drmP.h> #include "sti_compositor.h" -#include "sti_drm_crtc.h" -#include "sti_drm_drv.h" -#include "sti_drm_plane.h" +#include "sti_crtc.h" +#include "sti_cursor.h" +#include "sti_drv.h" #include "sti_gdp.h" +#include "sti_plane.h" +#include "sti_vid.h" #include "sti_vtg.h" /* @@ -31,7 +33,7 @@ struct sti_compositor_data stih407_compositor_data = { {STI_GPD_SUBDEV, (int)STI_GDP_1, 0x200}, {STI_GPD_SUBDEV, (int)STI_GDP_2, 0x300}, {STI_GPD_SUBDEV, (int)STI_GDP_3, 0x400}, - {STI_VID_SUBDEV, (int)STI_VID_0, 0x700}, + {STI_VID_SUBDEV, (int)STI_HQVDP_0, 0x700}, {STI_MIXER_MAIN_SUBDEV, STI_MIXER_MAIN, 0xC00}, {STI_MIXER_AUX_SUBDEV, STI_MIXER_AUX, 0xD00}, }, @@ -53,14 +55,29 @@ struct sti_compositor_data stih416_compositor_data = { }, }; -static int sti_compositor_init_subdev(struct sti_compositor *compo, - struct sti_compositor_subdev_descriptor *desc, - unsigned int array_size) +static int sti_compositor_bind(struct device *dev, + struct device *master, + void *data) { - unsigned int i, mixer_id = 0, layer_id = 0; + struct sti_compositor *compo = dev_get_drvdata(dev); + struct drm_device *drm_dev = data; + unsigned int i, mixer_id = 0, vid_id = 0, crtc_id = 0; + struct sti_private *dev_priv = drm_dev->dev_private; + struct drm_plane *cursor = NULL; + struct drm_plane *primary = NULL; + struct sti_compositor_subdev_descriptor *desc = compo->data.subdev_desc; + unsigned int array_size = compo->data.nb_subdev; + + dev_priv->compo = compo; + /* Register mixer subdev and video subdev first */ for (i = 0; i < array_size; i++) { switch (desc[i].type) { + case STI_VID_SUBDEV: + compo->vid[vid_id++] = + sti_vid_create(compo->dev, desc[i].id, + compo->regs + desc[i].offset); + break; case STI_MIXER_MAIN_SUBDEV: case STI_MIXER_AUX_SUBDEV: compo->mixer[mixer_id++] = @@ -68,83 +85,68 @@ static int sti_compositor_init_subdev(struct sti_compositor *compo, compo->regs + desc[i].offset); break; case STI_GPD_SUBDEV: - case STI_VID_SUBDEV: case STI_CURSOR_SUBDEV: - compo->layer[layer_id++] = - sti_layer_create(compo->dev, desc[i].id, - compo->regs + desc[i].offset); + /* Nothing to do, wait for the second round */ break; default: DRM_ERROR("Unknow subdev compoment type\n"); return 1; } - } - compo->nb_mixers = mixer_id; - compo->nb_layers = layer_id; - - return 0; -} - -static int sti_compositor_bind(struct device *dev, struct device *master, - void *data) -{ - struct sti_compositor *compo = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - unsigned int i, crtc = 0, plane = 0; - struct sti_drm_private *dev_priv = drm_dev->dev_private; - struct drm_plane *cursor = NULL; - struct drm_plane *primary = NULL; - dev_priv->compo = compo; - - for (i = 0; i < compo->nb_layers; i++) { - if (compo->layer[i]) { - enum sti_layer_desc desc = compo->layer[i]->desc; - enum sti_layer_type type = desc & STI_LAYER_TYPE_MASK; - enum drm_plane_type plane_type = DRM_PLANE_TYPE_OVERLAY; + /* Register the other subdevs, create crtc and planes */ + for (i = 0; i < array_size; i++) { + enum drm_plane_type plane_type = DRM_PLANE_TYPE_OVERLAY; - if (crtc < compo->nb_mixers) - plane_type = DRM_PLANE_TYPE_PRIMARY; + if (crtc_id < mixer_id) + plane_type = DRM_PLANE_TYPE_PRIMARY; - switch (type) { - case STI_CUR: - cursor = sti_drm_plane_init(drm_dev, - compo->layer[i], - 1, DRM_PLANE_TYPE_CURSOR); - break; - case STI_GDP: - case STI_VID: - primary = sti_drm_plane_init(drm_dev, - compo->layer[i], - (1 << compo->nb_mixers) - 1, - plane_type); - plane++; + switch (desc[i].type) { + case STI_MIXER_MAIN_SUBDEV: + case STI_MIXER_AUX_SUBDEV: + case STI_VID_SUBDEV: + /* Nothing to do, already done at the first round */ + break; + case STI_CURSOR_SUBDEV: + cursor = sti_cursor_create(drm_dev, compo->dev, + desc[i].id, + compo->regs + desc[i].offset, + 1); + if (!cursor) { + DRM_ERROR("Can't create CURSOR plane\n"); break; - case STI_BCK: - case STI_VDP: + } + break; + case STI_GPD_SUBDEV: + primary = sti_gdp_create(drm_dev, compo->dev, + desc[i].id, + compo->regs + desc[i].offset, + (1 << mixer_id) - 1, + plane_type); + if (!primary) { + DRM_ERROR("Can't create GDP plane\n"); break; } + break; + default: + DRM_ERROR("Unknown subdev compoment type\n"); + return 1; + } - /* The first planes are reserved for primary planes*/ - if (crtc < compo->nb_mixers && primary) { - sti_drm_crtc_init(drm_dev, compo->mixer[crtc], - primary, cursor); - crtc++; - cursor = NULL; - primary = NULL; - } + /* The first planes are reserved for primary planes*/ + if (crtc_id < mixer_id && primary) { + sti_crtc_init(drm_dev, compo->mixer[crtc_id], + primary, cursor); + crtc_id++; + cursor = NULL; + primary = NULL; } } - drm_vblank_init(drm_dev, crtc); + drm_vblank_init(drm_dev, crtc_id); /* Allow usage of vblank without having to call drm_irq_install */ drm_dev->irq_enabled = 1; - DRM_DEBUG_DRIVER("Initialized %d DRM CRTC(s) and %d DRM plane(s)\n", - crtc, plane); - DRM_DEBUG_DRIVER("DRM plane(s) for VID/VDP not created yet\n"); - return 0; } @@ -179,7 +181,6 @@ static int sti_compositor_probe(struct platform_device *pdev) struct device_node *vtg_np; struct sti_compositor *compo; struct resource *res; - int err; compo = devm_kzalloc(dev, sizeof(*compo), GFP_KERNEL); if (!compo) { @@ -187,7 +188,7 @@ static int sti_compositor_probe(struct platform_device *pdev) return -ENOMEM; } compo->dev = dev; - compo->vtg_vblank_nb.notifier_call = sti_drm_crtc_vblank_cb; + compo->vtg_vblank_nb.notifier_call = sti_crtc_vblank_cb; /* populate data structure depending on compatibility */ BUG_ON(!of_match_node(compositor_of_match, np)->data); @@ -251,12 +252,6 @@ static int sti_compositor_probe(struct platform_device *pdev) if (vtg_np) compo->vtg_aux = of_vtg_find(vtg_np); - /* Initialize compositor subdevices */ - err = sti_compositor_init_subdev(compo, compo->data.subdev_desc, - compo->data.nb_subdev); - if (err) - return err; - platform_set_drvdata(pdev, compo); return component_add(&pdev->dev, &sti_compositor_ops); diff --git a/drivers/gpu/drm/sti/sti_compositor.h b/drivers/gpu/drm/sti/sti_compositor.h index 019eb44c62cc..1a4a73dab11e 100644 --- a/drivers/gpu/drm/sti/sti_compositor.h +++ b/drivers/gpu/drm/sti/sti_compositor.h @@ -12,13 +12,13 @@ #include <linux/clk.h> #include <linux/kernel.h> -#include "sti_layer.h" #include "sti_mixer.h" +#include "sti_plane.h" #define WAIT_NEXT_VSYNC_MS 50 /*ms*/ -#define STI_MAX_LAYER 8 #define STI_MAX_MIXER 2 +#define STI_MAX_VID 1 enum sti_compositor_subdev_type { STI_MIXER_MAIN_SUBDEV, @@ -59,11 +59,9 @@ struct sti_compositor_data { * @rst_main: reset control of the main path * @rst_aux: reset control of the aux path * @mixer: array of mixers + * @vid: array of vids * @vtg_main: vtg for main data path * @vtg_aux: vtg for auxillary data path - * @layer: array of layers - * @nb_mixers: number of mixers for this compositor - * @nb_layers: number of layers (GDP,VID,...) for this compositor * @vtg_vblank_nb: callback for VTG VSYNC notification */ struct sti_compositor { @@ -77,11 +75,9 @@ struct sti_compositor { struct reset_control *rst_main; struct reset_control *rst_aux; struct sti_mixer *mixer[STI_MAX_MIXER]; + struct sti_vid *vid[STI_MAX_VID]; struct sti_vtg *vtg_main; struct sti_vtg *vtg_aux; - struct sti_layer *layer[STI_MAX_LAYER]; - int nb_mixers; - int nb_layers; struct notifier_block vtg_vblank_nb; }; diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c index 6b641c5a2ec7..018ffc970e96 100644 --- a/drivers/gpu/drm/sti/sti_drm_crtc.c +++ b/drivers/gpu/drm/sti/sti_crtc.c @@ -15,22 +15,20 @@ #include <drm/drm_plane_helper.h> #include "sti_compositor.h" -#include "sti_drm_drv.h" -#include "sti_drm_crtc.h" +#include "sti_crtc.h" +#include "sti_drv.h" +#include "sti_vid.h" #include "sti_vtg.h" -static void sti_drm_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - DRM_DEBUG_KMS("\n"); -} - -static void sti_drm_crtc_prepare(struct drm_crtc *crtc) +static void sti_crtc_enable(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); struct device *dev = mixer->dev; struct sti_compositor *compo = dev_get_drvdata(dev); - mixer->enabled = true; + DRM_DEBUG_DRIVER("\n"); + + mixer->status = STI_MIXER_READY; /* Prepare and enable the compo IP clock */ if (mixer->id == STI_MIXER_MAIN) { @@ -41,45 +39,28 @@ static void sti_drm_crtc_prepare(struct drm_crtc *crtc) DRM_INFO("Failed to prepare/enable compo_aux clk\n"); } - sti_mixer_clear_all_layers(mixer); + drm_crtc_vblank_on(crtc); } -static void sti_drm_crtc_commit(struct drm_crtc *crtc) +static void sti_crtc_disabling(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); - struct device *dev = mixer->dev; - struct sti_compositor *compo = dev_get_drvdata(dev); - struct sti_layer *layer; - - if ((!mixer || !compo)) { - DRM_ERROR("Can not find mixer or compositor)\n"); - return; - } - /* get GDP which is reserved to the CRTC FB */ - layer = to_sti_layer(crtc->primary); - if (layer) - sti_layer_commit(layer); - else - DRM_ERROR("Can not find CRTC dedicated plane (GDP0)\n"); - - /* Enable layer on mixer */ - if (sti_mixer_set_layer_status(mixer, layer, true)) - DRM_ERROR("Can not enable layer at mixer\n"); + DRM_DEBUG_DRIVER("\n"); - drm_crtc_vblank_on(crtc); + mixer->status = STI_MIXER_DISABLING; } -static bool sti_drm_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) +static bool sti_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { /* accept the provided drm_display_mode, do not fix it up */ return true; } static int -sti_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) +sti_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) { struct sti_mixer *mixer = to_sti_mixer(crtc); struct device *dev = mixer->dev; @@ -122,22 +103,19 @@ sti_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) res = sti_mixer_active_video_area(mixer, &crtc->mode); if (res) { - DRM_ERROR("Can not set active video area\n"); + DRM_ERROR("Can't set active video area\n"); return -EINVAL; } return res; } -static void sti_drm_crtc_disable(struct drm_crtc *crtc) +static void sti_crtc_disable(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); struct device *dev = mixer->dev; struct sti_compositor *compo = dev_get_drvdata(dev); - if (!mixer->enabled) - return; - DRM_DEBUG_KMS("CRTC:%d (%s)\n", crtc->base.id, sti_mixer_to_str(mixer)); /* Disable Background */ @@ -154,17 +132,18 @@ static void sti_drm_crtc_disable(struct drm_crtc *crtc) clk_disable_unprepare(compo->clk_compo_aux); } - mixer->enabled = false; + mixer->status = STI_MIXER_DISABLED; } static void -sti_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) +sti_crtc_mode_set_nofb(struct drm_crtc *crtc) { - sti_drm_crtc_prepare(crtc); - sti_drm_crtc_mode_set(crtc, &crtc->state->adjusted_mode); + sti_crtc_enable(crtc); + sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode); } -static void sti_drm_atomic_begin(struct drm_crtc *crtc) +static void sti_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct sti_mixer *mixer = to_sti_mixer(crtc); @@ -178,46 +157,109 @@ static void sti_drm_atomic_begin(struct drm_crtc *crtc) } } -static void sti_drm_atomic_flush(struct drm_crtc *crtc) +static void sti_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { + struct drm_device *drm_dev = crtc->dev; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct sti_compositor *compo = dev_get_drvdata(mixer->dev); + struct drm_plane *p; + + DRM_DEBUG_DRIVER("\n"); + + /* perform plane actions */ + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + switch (plane->status) { + case STI_PLANE_UPDATED: + /* update planes tag as updated */ + DRM_DEBUG_DRIVER("update plane %s\n", + sti_plane_to_str(plane)); + + if (sti_mixer_set_plane_depth(mixer, plane)) { + DRM_ERROR("Cannot set plane %s depth\n", + sti_plane_to_str(plane)); + break; + } + + if (sti_mixer_set_plane_status(mixer, plane, true)) { + DRM_ERROR("Cannot enable plane %s at mixer\n", + sti_plane_to_str(plane)); + break; + } + + /* if plane is HQVDP_0 then commit the vid[0] */ + if (plane->desc == STI_HQVDP_0) + sti_vid_commit(compo->vid[0], p->state); + + plane->status = STI_PLANE_READY; + + break; + case STI_PLANE_DISABLING: + /* disabling sequence for planes tag as disabling */ + DRM_DEBUG_DRIVER("disable plane %s from mixer\n", + sti_plane_to_str(plane)); + + if (sti_mixer_set_plane_status(mixer, plane, false)) { + DRM_ERROR("Cannot disable plane %s at mixer\n", + sti_plane_to_str(plane)); + continue; + } + + if (plane->desc == STI_CURSOR) + /* tag plane status for disabled */ + plane->status = STI_PLANE_DISABLED; + else + /* tag plane status for flushing */ + plane->status = STI_PLANE_FLUSHING; + + /* if plane is HQVDP_0 then disable the vid[0] */ + if (plane->desc == STI_HQVDP_0) + sti_vid_disable(compo->vid[0]); + + break; + default: + /* Other status case are not handled */ + break; + } + } } static struct drm_crtc_helper_funcs sti_crtc_helper_funcs = { - .dpms = sti_drm_crtc_dpms, - .prepare = sti_drm_crtc_prepare, - .commit = sti_drm_crtc_commit, - .mode_fixup = sti_drm_crtc_mode_fixup, + .enable = sti_crtc_enable, + .disable = sti_crtc_disabling, + .mode_fixup = sti_crtc_mode_fixup, .mode_set = drm_helper_crtc_mode_set, - .mode_set_nofb = sti_drm_crtc_mode_set_nofb, + .mode_set_nofb = sti_crtc_mode_set_nofb, .mode_set_base = drm_helper_crtc_mode_set_base, - .disable = sti_drm_crtc_disable, - .atomic_begin = sti_drm_atomic_begin, - .atomic_flush = sti_drm_atomic_flush, + .atomic_begin = sti_crtc_atomic_begin, + .atomic_flush = sti_crtc_atomic_flush, }; -static void sti_drm_crtc_destroy(struct drm_crtc *crtc) +static void sti_crtc_destroy(struct drm_crtc *crtc) { DRM_DEBUG_KMS("\n"); drm_crtc_cleanup(crtc); } -static int sti_drm_crtc_set_property(struct drm_crtc *crtc, - struct drm_property *property, - uint64_t val) +static int sti_crtc_set_property(struct drm_crtc *crtc, + struct drm_property *property, + uint64_t val) { DRM_DEBUG_KMS("\n"); return 0; } -int sti_drm_crtc_vblank_cb(struct notifier_block *nb, - unsigned long event, void *data) +int sti_crtc_vblank_cb(struct notifier_block *nb, + unsigned long event, void *data) { struct drm_device *drm_dev; struct sti_compositor *compo = container_of(nb, struct sti_compositor, vtg_vblank_nb); int *crtc = data; unsigned long flags; - struct sti_drm_private *priv; + struct sti_private *priv; drm_dev = compo->mixer[*crtc]->drm_crtc.dev; priv = drm_dev->dev_private; @@ -233,21 +275,38 @@ int sti_drm_crtc_vblank_cb(struct notifier_block *nb, spin_lock_irqsave(&drm_dev->event_lock, flags); if (compo->mixer[*crtc]->pending_event) { drm_send_vblank_event(drm_dev, -1, - compo->mixer[*crtc]->pending_event); + compo->mixer[*crtc]->pending_event); drm_vblank_put(drm_dev, *crtc); compo->mixer[*crtc]->pending_event = NULL; } spin_unlock_irqrestore(&drm_dev->event_lock, flags); + if (compo->mixer[*crtc]->status == STI_MIXER_DISABLING) { + struct drm_plane *p; + + /* Disable mixer only if all overlay planes (GDP and VDP) + * are disabled */ + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + if ((plane->desc & STI_PLANE_TYPE_MASK) <= STI_VDP) + if (plane->status != STI_PLANE_DISABLED) + return 0; + } + sti_crtc_disable(&compo->mixer[*crtc]->drm_crtc); + } + return 0; } -int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) +int sti_crtc_enable_vblank(struct drm_device *dev, int crtc) { - struct sti_drm_private *dev_priv = dev->dev_private; + struct sti_private *dev_priv = dev->dev_private; struct sti_compositor *compo = dev_priv->compo; struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb; + DRM_DEBUG_DRIVER("\n"); + if (sti_vtg_register_client(crtc == STI_MIXER_MAIN ? compo->vtg_main : compo->vtg_aux, vtg_vblank_nb, crtc)) { @@ -257,11 +316,11 @@ int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) return 0; } -EXPORT_SYMBOL(sti_drm_crtc_enable_vblank); +EXPORT_SYMBOL(sti_crtc_enable_vblank); -void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) +void sti_crtc_disable_vblank(struct drm_device *drm_dev, int crtc) { - struct sti_drm_private *priv = dev->dev_private; + struct sti_private *priv = drm_dev->dev_private; struct sti_compositor *compo = priv->compo; struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb; @@ -273,23 +332,23 @@ void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) /* free the resources of the pending requests */ if (compo->mixer[crtc]->pending_event) { - drm_vblank_put(dev, crtc); + drm_vblank_put(drm_dev, crtc); compo->mixer[crtc]->pending_event = NULL; } } -EXPORT_SYMBOL(sti_drm_crtc_disable_vblank); +EXPORT_SYMBOL(sti_crtc_disable_vblank); static struct drm_crtc_funcs sti_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, - .destroy = sti_drm_crtc_destroy, - .set_property = sti_drm_crtc_set_property, + .destroy = sti_crtc_destroy, + .set_property = sti_crtc_set_property, .reset = drm_atomic_helper_crtc_reset, .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, }; -bool sti_drm_crtc_is_main(struct drm_crtc *crtc) +bool sti_crtc_is_main(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); @@ -298,18 +357,18 @@ bool sti_drm_crtc_is_main(struct drm_crtc *crtc) return false; } -EXPORT_SYMBOL(sti_drm_crtc_is_main); +EXPORT_SYMBOL(sti_crtc_is_main); -int sti_drm_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, - struct drm_plane *primary, struct drm_plane *cursor) +int sti_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, + struct drm_plane *primary, struct drm_plane *cursor) { struct drm_crtc *crtc = &mixer->drm_crtc; int res; res = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor, - &sti_crtc_funcs); + &sti_crtc_funcs); if (res) { - DRM_ERROR("Can not initialze CRTC\n"); + DRM_ERROR("Can't initialze CRTC\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/sti/sti_crtc.h b/drivers/gpu/drm/sti/sti_crtc.h new file mode 100644 index 000000000000..51963e6ddbe7 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_crtc.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#ifndef _STI_CRTC_H_ +#define _STI_CRTC_H_ + +#include <drm/drmP.h> + +struct sti_mixer; + +int sti_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, + struct drm_plane *primary, struct drm_plane *cursor); +int sti_crtc_enable_vblank(struct drm_device *dev, int crtc); +void sti_crtc_disable_vblank(struct drm_device *dev, int crtc); +int sti_crtc_vblank_cb(struct notifier_block *nb, + unsigned long event, void *data); +bool sti_crtc_is_main(struct drm_crtc *drm_crtc); + +#endif diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c index 010eaee60bf7..dd1032195051 100644 --- a/drivers/gpu/drm/sti/sti_cursor.c +++ b/drivers/gpu/drm/sti/sti_cursor.c @@ -7,8 +7,14 @@ */ #include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_plane_helper.h> + +#include "sti_compositor.h" #include "sti_cursor.h" -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vtg.h" /* Registers */ @@ -42,15 +48,19 @@ struct dma_pixmap { /** * STI Cursor structure * - * @layer: layer structure - * @width: cursor width - * @height: cursor height - * @clut: color look up table - * @clut_paddr: color look up table physical address - * @pixmap: pixmap dma buffer (clut8-format cursor) + * @sti_plane: sti_plane structure + * @dev: driver device + * @regs: cursor registers + * @width: cursor width + * @height: cursor height + * @clut: color look up table + * @clut_paddr: color look up table physical address + * @pixmap: pixmap dma buffer (clut8-format cursor) */ struct sti_cursor { - struct sti_layer layer; + struct sti_plane plane; + struct device *dev; + void __iomem *regs; unsigned int width; unsigned int height; unsigned short *clut; @@ -62,22 +72,10 @@ static const uint32_t cursor_supported_formats[] = { DRM_FORMAT_ARGB8888, }; -#define to_sti_cursor(x) container_of(x, struct sti_cursor, layer) - -static const uint32_t *sti_cursor_get_formats(struct sti_layer *layer) -{ - return cursor_supported_formats; -} - -static unsigned int sti_cursor_get_nb_formats(struct sti_layer *layer) -{ - return ARRAY_SIZE(cursor_supported_formats); -} +#define to_sti_cursor(x) container_of(x, struct sti_cursor, plane) -static void sti_cursor_argb8888_to_clut8(struct sti_layer *layer) +static void sti_cursor_argb8888_to_clut8(struct sti_cursor *cursor, u32 *src) { - struct sti_cursor *cursor = to_sti_cursor(layer); - u32 *src = layer->vaddr; u8 *dst = cursor->pixmap.base; unsigned int i, j; u32 a, r, g, b; @@ -96,127 +94,155 @@ static void sti_cursor_argb8888_to_clut8(struct sti_layer *layer) } } -static int sti_cursor_prepare_layer(struct sti_layer *layer, bool first_prepare) +static void sti_cursor_init(struct sti_cursor *cursor) { - struct sti_cursor *cursor = to_sti_cursor(layer); - struct drm_display_mode *mode = layer->mode; + unsigned short *base = cursor->clut; + unsigned int a, r, g, b; + + /* Assign CLUT values, ARGB444 format */ + for (a = 0; a < 4; a++) + for (r = 0; r < 4; r++) + for (g = 0; g < 4; g++) + for (b = 0; b < 4; b++) + *base++ = (a * 5) << 12 | + (r * 5) << 8 | + (g * 5) << 4 | + (b * 5); +} + +static void sti_cursor_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_cursor *cursor = to_sti_cursor(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct drm_framebuffer *fb = state->fb; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + int src_w = state->src_w >> 16; + int src_h = state->src_h >> 16; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct drm_gem_cma_object *cma_obj; u32 y, x; u32 val; - DRM_DEBUG_DRIVER("\n"); + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", dst_w, dst_h, dst_x, dst_y); - dev_dbg(layer->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); + dev_dbg(cursor->dev, "%s %s\n", __func__, + sti_plane_to_str(plane)); - if (layer->src_w < STI_CURS_MIN_SIZE || - layer->src_h < STI_CURS_MIN_SIZE || - layer->src_w > STI_CURS_MAX_SIZE || - layer->src_h > STI_CURS_MAX_SIZE) { + if (src_w < STI_CURS_MIN_SIZE || + src_h < STI_CURS_MIN_SIZE || + src_w > STI_CURS_MAX_SIZE || + src_h > STI_CURS_MAX_SIZE) { DRM_ERROR("Invalid cursor size (%dx%d)\n", - layer->src_w, layer->src_h); - return -EINVAL; + src_w, src_h); + return; } /* If the cursor size has changed, re-allocated the pixmap */ if (!cursor->pixmap.base || - (cursor->width != layer->src_w) || - (cursor->height != layer->src_h)) { - cursor->width = layer->src_w; - cursor->height = layer->src_h; + (cursor->width != src_w) || + (cursor->height != src_h)) { + cursor->width = src_w; + cursor->height = src_h; if (cursor->pixmap.base) - dma_free_writecombine(layer->dev, + dma_free_writecombine(cursor->dev, cursor->pixmap.size, cursor->pixmap.base, cursor->pixmap.paddr); cursor->pixmap.size = cursor->width * cursor->height; - cursor->pixmap.base = dma_alloc_writecombine(layer->dev, + cursor->pixmap.base = dma_alloc_writecombine(cursor->dev, cursor->pixmap.size, &cursor->pixmap.paddr, GFP_KERNEL | GFP_DMA); if (!cursor->pixmap.base) { DRM_ERROR("Failed to allocate memory for pixmap\n"); - return -ENOMEM; + return; } } + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + /* Convert ARGB8888 to CLUT8 */ - sti_cursor_argb8888_to_clut8(layer); + sti_cursor_argb8888_to_clut8(cursor, (u32 *)cma_obj->vaddr); /* AWS and AWE depend on the mode */ y = sti_vtg_get_line_number(*mode, 0); x = sti_vtg_get_pixel_number(*mode, 0); val = y << 16 | x; - writel(val, layer->regs + CUR_AWS); + writel(val, cursor->regs + CUR_AWS); y = sti_vtg_get_line_number(*mode, mode->vdisplay - 1); x = sti_vtg_get_pixel_number(*mode, mode->hdisplay - 1); val = y << 16 | x; - writel(val, layer->regs + CUR_AWE); + writel(val, cursor->regs + CUR_AWE); if (first_prepare) { /* Set and fetch CLUT */ - writel(cursor->clut_paddr, layer->regs + CUR_CML); - writel(CUR_CTL_CLUT_UPDATE, layer->regs + CUR_CTL); + writel(cursor->clut_paddr, cursor->regs + CUR_CML); + writel(CUR_CTL_CLUT_UPDATE, cursor->regs + CUR_CTL); } - return 0; -} - -static int sti_cursor_commit_layer(struct sti_layer *layer) -{ - struct sti_cursor *cursor = to_sti_cursor(layer); - struct drm_display_mode *mode = layer->mode; - u32 ydo, xdo; - - dev_dbg(layer->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); - /* Set memory location, size, and position */ - writel(cursor->pixmap.paddr, layer->regs + CUR_PML); - writel(cursor->width, layer->regs + CUR_PMP); - writel(cursor->height << 16 | cursor->width, layer->regs + CUR_SIZE); + writel(cursor->pixmap.paddr, cursor->regs + CUR_PML); + writel(cursor->width, cursor->regs + CUR_PMP); + writel(cursor->height << 16 | cursor->width, cursor->regs + CUR_SIZE); - ydo = sti_vtg_get_line_number(*mode, layer->dst_y); - xdo = sti_vtg_get_pixel_number(*mode, layer->dst_y); - writel((ydo << 16) | xdo, layer->regs + CUR_VPO); + y = sti_vtg_get_line_number(*mode, dst_y); + x = sti_vtg_get_pixel_number(*mode, dst_y); + writel((y << 16) | x, cursor->regs + CUR_VPO); - return 0; + plane->status = STI_PLANE_UPDATED; } -static int sti_cursor_disable_layer(struct sti_layer *layer) +static void sti_cursor_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) { - return 0; -} + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); -static void sti_cursor_init(struct sti_layer *layer) -{ - struct sti_cursor *cursor = to_sti_cursor(layer); - unsigned short *base = cursor->clut; - unsigned int a, r, g, b; + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } - /* Assign CLUT values, ARGB444 format */ - for (a = 0; a < 4; a++) - for (r = 0; r < 4; r++) - for (g = 0; g < 4; g++) - for (b = 0; b < 4; b++) - *base++ = (a * 5) << 12 | - (r * 5) << 8 | - (g * 5) << 4 | - (b * 5); + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; } -static const struct sti_layer_funcs cursor_ops = { - .get_formats = sti_cursor_get_formats, - .get_nb_formats = sti_cursor_get_nb_formats, - .init = sti_cursor_init, - .prepare = sti_cursor_prepare_layer, - .commit = sti_cursor_commit_layer, - .disable = sti_cursor_disable_layer, +static const struct drm_plane_helper_funcs sti_cursor_helpers_funcs = { + .atomic_update = sti_cursor_atomic_update, + .atomic_disable = sti_cursor_atomic_disable, }; -struct sti_layer *sti_cursor_create(struct device *dev) +struct drm_plane *sti_cursor_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs) { struct sti_cursor *cursor; + size_t size; + int res; cursor = devm_kzalloc(dev, sizeof(*cursor), GFP_KERNEL); if (!cursor) { @@ -225,18 +251,43 @@ struct sti_layer *sti_cursor_create(struct device *dev) } /* Allocate clut buffer */ - cursor->clut = dma_alloc_writecombine(dev, - 0x100 * sizeof(unsigned short), - &cursor->clut_paddr, - GFP_KERNEL | GFP_DMA); + size = 0x100 * sizeof(unsigned short); + cursor->clut = dma_alloc_writecombine(dev, size, &cursor->clut_paddr, + GFP_KERNEL | GFP_DMA); if (!cursor->clut) { DRM_ERROR("Failed to allocate memory for cursor clut\n"); - devm_kfree(dev, cursor); - return NULL; + goto err_clut; + } + + cursor->dev = dev; + cursor->regs = baseaddr; + cursor->plane.desc = desc; + cursor->plane.status = STI_PLANE_DISABLED; + + sti_cursor_init(cursor); + + res = drm_universal_plane_init(drm_dev, &cursor->plane.drm_plane, + possible_crtcs, + &sti_plane_helpers_funcs, + cursor_supported_formats, + ARRAY_SIZE(cursor_supported_formats), + DRM_PLANE_TYPE_CURSOR); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + goto err_plane; } - cursor->layer.ops = &cursor_ops; + drm_plane_helper_add(&cursor->plane.drm_plane, + &sti_cursor_helpers_funcs); + + sti_plane_init_property(&cursor->plane, DRM_PLANE_TYPE_CURSOR); + + return &cursor->plane.drm_plane; - return (struct sti_layer *)cursor; +err_plane: + dma_free_writecombine(dev, size, cursor->clut, cursor->clut_paddr); +err_clut: + devm_kfree(dev, cursor); + return NULL; } diff --git a/drivers/gpu/drm/sti/sti_cursor.h b/drivers/gpu/drm/sti/sti_cursor.h index 3c9827404f27..2ee5c10e8b33 100644 --- a/drivers/gpu/drm/sti/sti_cursor.h +++ b/drivers/gpu/drm/sti/sti_cursor.h @@ -7,6 +7,9 @@ #ifndef _STI_CURSOR_H_ #define _STI_CURSOR_H_ -struct sti_layer *sti_cursor_create(struct device *dev); +struct drm_plane *sti_cursor_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs); #endif diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.h b/drivers/gpu/drm/sti/sti_drm_crtc.h deleted file mode 100644 index caca8b14f017..000000000000 --- a/drivers/gpu/drm/sti/sti_drm_crtc.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_DRM_CRTC_H_ -#define _STI_DRM_CRTC_H_ - -#include <drm/drmP.h> - -struct sti_mixer; - -int sti_drm_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, - struct drm_plane *primary, struct drm_plane *cursor); -int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc); -void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc); -int sti_drm_crtc_vblank_cb(struct notifier_block *nb, - unsigned long event, void *data); -bool sti_drm_crtc_is_main(struct drm_crtc *drm_crtc); - -#endif diff --git a/drivers/gpu/drm/sti/sti_drm_plane.c b/drivers/gpu/drm/sti/sti_drm_plane.c deleted file mode 100644 index 64d4ed43dda3..000000000000 --- a/drivers/gpu/drm/sti/sti_drm_plane.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> - * Fabien Dessenne <fabien.dessenne@st.com> - * for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#include <drm/drmP.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_plane_helper.h> - -#include "sti_compositor.h" -#include "sti_drm_drv.h" -#include "sti_drm_plane.h" -#include "sti_vtg.h" - -enum sti_layer_desc sti_layer_default_zorder[] = { - STI_GDP_0, - STI_VID_0, - STI_GDP_1, - STI_VID_1, - STI_GDP_2, - STI_GDP_3, -}; - -/* (Background) < GDP0 < VID0 < GDP1 < VID1 < GDP2 < GDP3 < (ForeGround) */ - -static int -sti_drm_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, - struct drm_framebuffer *fb, int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h) -{ - struct sti_layer *layer = to_sti_layer(plane); - struct sti_mixer *mixer = to_sti_mixer(crtc); - int res; - - DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", - crtc->base.id, sti_mixer_to_str(mixer), - plane->base.id, sti_layer_to_str(layer)); - DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", crtc_w, crtc_h, crtc_x, crtc_y); - - res = sti_mixer_set_layer_depth(mixer, layer); - if (res) { - DRM_ERROR("Can not set layer depth\n"); - return res; - } - - /* src_x are in 16.16 format. */ - res = sti_layer_prepare(layer, crtc, fb, - &crtc->mode, mixer->id, - crtc_x, crtc_y, crtc_w, crtc_h, - src_x >> 16, src_y >> 16, - src_w >> 16, src_h >> 16); - if (res) { - DRM_ERROR("Layer prepare failed\n"); - return res; - } - - res = sti_layer_commit(layer); - if (res) { - DRM_ERROR("Layer commit failed\n"); - return res; - } - - res = sti_mixer_set_layer_status(mixer, layer, true); - if (res) { - DRM_ERROR("Can not enable layer at mixer\n"); - return res; - } - - return 0; -} - -static int sti_drm_disable_plane(struct drm_plane *plane) -{ - struct sti_layer *layer; - struct sti_mixer *mixer; - int lay_res, mix_res; - - if (!plane->crtc) { - DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", plane->base.id); - return 0; - } - layer = to_sti_layer(plane); - mixer = to_sti_mixer(plane->crtc); - - DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", - plane->crtc->base.id, sti_mixer_to_str(mixer), - plane->base.id, sti_layer_to_str(layer)); - - /* Disable layer at mixer level */ - mix_res = sti_mixer_set_layer_status(mixer, layer, false); - if (mix_res) - DRM_ERROR("Can not disable layer at mixer\n"); - - /* Wait a while to be sure that a Vsync event is received */ - msleep(WAIT_NEXT_VSYNC_MS); - - /* Then disable layer itself */ - lay_res = sti_layer_disable(layer); - if (lay_res) - DRM_ERROR("Layer disable failed\n"); - - if (lay_res || mix_res) - return -EINVAL; - - return 0; -} - -static void sti_drm_plane_destroy(struct drm_plane *plane) -{ - DRM_DEBUG_DRIVER("\n"); - - drm_plane_helper_disable(plane); - drm_plane_cleanup(plane); -} - -static int sti_drm_plane_set_property(struct drm_plane *plane, - struct drm_property *property, - uint64_t val) -{ - struct drm_device *dev = plane->dev; - struct sti_drm_private *private = dev->dev_private; - struct sti_layer *layer = to_sti_layer(plane); - - DRM_DEBUG_DRIVER("\n"); - - if (property == private->plane_zorder_property) { - layer->zorder = val; - return 0; - } - - return -EINVAL; -} - -static struct drm_plane_funcs sti_drm_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = sti_drm_plane_destroy, - .set_property = sti_drm_plane_set_property, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, -}; - -static int sti_drm_plane_prepare_fb(struct drm_plane *plane, - struct drm_framebuffer *fb, - const struct drm_plane_state *new_state) -{ - return 0; -} - -static void sti_drm_plane_cleanup_fb(struct drm_plane *plane, - struct drm_framebuffer *fb, - const struct drm_plane_state *old_fb) -{ -} - -static int sti_drm_plane_atomic_check(struct drm_plane *plane, - struct drm_plane_state *state) -{ - return 0; -} - -static void sti_drm_plane_atomic_update(struct drm_plane *plane, - struct drm_plane_state *oldstate) -{ - struct drm_plane_state *state = plane->state; - - sti_drm_update_plane(plane, state->crtc, state->fb, - state->crtc_x, state->crtc_y, - state->crtc_w, state->crtc_h, - state->src_x, state->src_y, - state->src_w, state->src_h); -} - -static void sti_drm_plane_atomic_disable(struct drm_plane *plane, - struct drm_plane_state *oldstate) -{ - sti_drm_disable_plane(plane); -} - -static const struct drm_plane_helper_funcs sti_drm_plane_helpers_funcs = { - .prepare_fb = sti_drm_plane_prepare_fb, - .cleanup_fb = sti_drm_plane_cleanup_fb, - .atomic_check = sti_drm_plane_atomic_check, - .atomic_update = sti_drm_plane_atomic_update, - .atomic_disable = sti_drm_plane_atomic_disable, -}; - -static void sti_drm_plane_attach_zorder_property(struct drm_plane *plane, - uint64_t default_val) -{ - struct drm_device *dev = plane->dev; - struct sti_drm_private *private = dev->dev_private; - struct drm_property *prop; - struct sti_layer *layer = to_sti_layer(plane); - - prop = private->plane_zorder_property; - if (!prop) { - prop = drm_property_create_range(dev, 0, "zpos", 0, - GAM_MIXER_NB_DEPTH_LEVEL - 1); - if (!prop) - return; - - private->plane_zorder_property = prop; - } - - drm_object_attach_property(&plane->base, prop, default_val); - layer->zorder = default_val; -} - -struct drm_plane *sti_drm_plane_init(struct drm_device *dev, - struct sti_layer *layer, - unsigned int possible_crtcs, - enum drm_plane_type type) -{ - int err, i; - uint64_t default_zorder = 0; - - err = drm_universal_plane_init(dev, &layer->plane, possible_crtcs, - &sti_drm_plane_funcs, - sti_layer_get_formats(layer), - sti_layer_get_nb_formats(layer), type); - if (err) { - DRM_ERROR("Failed to initialize plane\n"); - return NULL; - } - - drm_plane_helper_add(&layer->plane, &sti_drm_plane_helpers_funcs); - - for (i = 0; i < ARRAY_SIZE(sti_layer_default_zorder); i++) - if (sti_layer_default_zorder[i] == layer->desc) - break; - - default_zorder = i + 1; - - if (type == DRM_PLANE_TYPE_OVERLAY) - sti_drm_plane_attach_zorder_property(&layer->plane, - default_zorder); - - DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%llu\n", - layer->plane.base.id, - sti_layer_to_str(layer), default_zorder); - - return &layer->plane; -} -EXPORT_SYMBOL(sti_drm_plane_init); diff --git a/drivers/gpu/drm/sti/sti_drm_plane.h b/drivers/gpu/drm/sti/sti_drm_plane.h deleted file mode 100644 index 4f191839f2a7..000000000000 --- a/drivers/gpu/drm/sti/sti_drm_plane.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_DRM_PLANE_H_ -#define _STI_DRM_PLANE_H_ - -#include <drm/drmP.h> - -struct sti_layer; - -struct drm_plane *sti_drm_plane_init(struct drm_device *dev, - struct sti_layer *layer, - unsigned int possible_crtcs, - enum drm_plane_type type); -#endif diff --git a/drivers/gpu/drm/sti/sti_drm_drv.c b/drivers/gpu/drm/sti/sti_drv.c index 59d558b400b3..6f4af6a8ba1b 100644 --- a/drivers/gpu/drm/sti/sti_drm_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -18,8 +18,8 @@ #include <drm/drm_gem_cma_helper.h> #include <drm/drm_fb_cma_helper.h> -#include "sti_drm_drv.h" -#include "sti_drm_crtc.h" +#include "sti_crtc.h" +#include "sti_drv.h" #define DRIVER_NAME "sti" #define DRIVER_DESC "STMicroelectronics SoC DRM" @@ -30,15 +30,15 @@ #define STI_MAX_FB_HEIGHT 4096 #define STI_MAX_FB_WIDTH 4096 -static void sti_drm_atomic_schedule(struct sti_drm_private *private, - struct drm_atomic_state *state) +static void sti_atomic_schedule(struct sti_private *private, + struct drm_atomic_state *state) { private->commit.state = state; schedule_work(&private->commit.work); } -static void sti_drm_atomic_complete(struct sti_drm_private *private, - struct drm_atomic_state *state) +static void sti_atomic_complete(struct sti_private *private, + struct drm_atomic_state *state) { struct drm_device *drm = private->drm_dev; @@ -68,18 +68,18 @@ static void sti_drm_atomic_complete(struct sti_drm_private *private, drm_atomic_state_free(state); } -static void sti_drm_atomic_work(struct work_struct *work) +static void sti_atomic_work(struct work_struct *work) { - struct sti_drm_private *private = container_of(work, - struct sti_drm_private, commit.work); + struct sti_private *private = container_of(work, + struct sti_private, commit.work); - sti_drm_atomic_complete(private, private->commit.state); + sti_atomic_complete(private, private->commit.state); } -static int sti_drm_atomic_commit(struct drm_device *drm, - struct drm_atomic_state *state, bool async) +static int sti_atomic_commit(struct drm_device *drm, + struct drm_atomic_state *state, bool async) { - struct sti_drm_private *private = drm->dev_private; + struct sti_private *private = drm->dev_private; int err; err = drm_atomic_helper_prepare_planes(drm, state); @@ -99,21 +99,21 @@ static int sti_drm_atomic_commit(struct drm_device *drm, drm_atomic_helper_swap_state(drm, state); if (async) - sti_drm_atomic_schedule(private, state); + sti_atomic_schedule(private, state); else - sti_drm_atomic_complete(private, state); + sti_atomic_complete(private, state); mutex_unlock(&private->commit.lock); return 0; } -static struct drm_mode_config_funcs sti_drm_mode_config_funcs = { +static struct drm_mode_config_funcs sti_mode_config_funcs = { .fb_create = drm_fb_cma_create, .atomic_check = drm_atomic_helper_check, - .atomic_commit = sti_drm_atomic_commit, + .atomic_commit = sti_atomic_commit, }; -static void sti_drm_mode_config_init(struct drm_device *dev) +static void sti_mode_config_init(struct drm_device *dev) { dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; @@ -126,15 +126,15 @@ static void sti_drm_mode_config_init(struct drm_device *dev) dev->mode_config.max_width = STI_MAX_FB_HEIGHT; dev->mode_config.max_height = STI_MAX_FB_WIDTH; - dev->mode_config.funcs = &sti_drm_mode_config_funcs; + dev->mode_config.funcs = &sti_mode_config_funcs; } -static int sti_drm_load(struct drm_device *dev, unsigned long flags) +static int sti_load(struct drm_device *dev, unsigned long flags) { - struct sti_drm_private *private; + struct sti_private *private; int ret; - private = kzalloc(sizeof(struct sti_drm_private), GFP_KERNEL); + private = kzalloc(sizeof(*private), GFP_KERNEL); if (!private) { DRM_ERROR("Failed to allocate private\n"); return -ENOMEM; @@ -143,12 +143,12 @@ static int sti_drm_load(struct drm_device *dev, unsigned long flags) private->drm_dev = dev; mutex_init(&private->commit.lock); - INIT_WORK(&private->commit.work, sti_drm_atomic_work); + INIT_WORK(&private->commit.work, sti_atomic_work); drm_mode_config_init(dev); drm_kms_helper_poll_init(dev); - sti_drm_mode_config_init(dev); + sti_mode_config_init(dev); ret = component_bind_all(dev->dev, dev); if (ret) { @@ -162,13 +162,13 @@ static int sti_drm_load(struct drm_device *dev, unsigned long flags) #ifdef CONFIG_DRM_STI_FBDEV drm_fbdev_cma_init(dev, 32, - dev->mode_config.num_crtc, - dev->mode_config.num_connector); + dev->mode_config.num_crtc, + dev->mode_config.num_connector); #endif return 0; } -static const struct file_operations sti_drm_driver_fops = { +static const struct file_operations sti_driver_fops = { .owner = THIS_MODULE, .open = drm_open, .mmap = drm_gem_cma_mmap, @@ -181,33 +181,33 @@ static const struct file_operations sti_drm_driver_fops = { .release = drm_release, }; -static struct dma_buf *sti_drm_gem_prime_export(struct drm_device *dev, - struct drm_gem_object *obj, - int flags) +static struct dma_buf *sti_gem_prime_export(struct drm_device *dev, + struct drm_gem_object *obj, + int flags) { /* we want to be able to write in mmapped buffer */ flags |= O_RDWR; return drm_gem_prime_export(dev, obj, flags); } -static struct drm_driver sti_drm_driver = { +static struct drm_driver sti_driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, - .load = sti_drm_load, + .load = sti_load, .gem_free_object = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, .dumb_create = drm_gem_cma_dumb_create, .dumb_map_offset = drm_gem_cma_dumb_map_offset, .dumb_destroy = drm_gem_dumb_destroy, - .fops = &sti_drm_driver_fops, + .fops = &sti_driver_fops, .get_vblank_counter = drm_vblank_count, - .enable_vblank = sti_drm_crtc_enable_vblank, - .disable_vblank = sti_drm_crtc_disable_vblank, + .enable_vblank = sti_crtc_enable_vblank, + .disable_vblank = sti_crtc_disable_vblank, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_export = sti_drm_gem_prime_export, + .gem_prime_export = sti_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, @@ -227,30 +227,32 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; } -static int sti_drm_bind(struct device *dev) +static int sti_bind(struct device *dev) { - return drm_platform_init(&sti_drm_driver, to_platform_device(dev)); + return drm_platform_init(&sti_driver, to_platform_device(dev)); } -static void sti_drm_unbind(struct device *dev) +static void sti_unbind(struct device *dev) { drm_put_dev(dev_get_drvdata(dev)); } -static const struct component_master_ops sti_drm_ops = { - .bind = sti_drm_bind, - .unbind = sti_drm_unbind, +static const struct component_master_ops sti_ops = { + .bind = sti_bind, + .unbind = sti_unbind, }; -static int sti_drm_master_probe(struct platform_device *pdev) +static int sti_platform_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *node = dev->parent->of_node; + struct device_node *node = dev->of_node; struct device_node *child_np; struct component_match *match = NULL; dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); + of_platform_populate(node, NULL, NULL, dev); + child_np = of_get_next_available_child(node, NULL); while (child_np) { @@ -259,68 +261,33 @@ static int sti_drm_master_probe(struct platform_device *pdev) child_np = of_get_next_available_child(node, child_np); } - return component_master_add_with_match(dev, &sti_drm_ops, match); -} - -static int sti_drm_master_remove(struct platform_device *pdev) -{ - component_master_del(&pdev->dev, &sti_drm_ops); - return 0; + return component_master_add_with_match(dev, &sti_ops, match); } -static struct platform_driver sti_drm_master_driver = { - .probe = sti_drm_master_probe, - .remove = sti_drm_master_remove, - .driver = { - .name = DRIVER_NAME "__master", - }, -}; - -static int sti_drm_platform_probe(struct platform_device *pdev) +static int sti_platform_remove(struct platform_device *pdev) { - struct device *dev = &pdev->dev; - struct device_node *node = dev->of_node; - struct platform_device *master; - - of_platform_populate(node, NULL, NULL, dev); - - platform_driver_register(&sti_drm_master_driver); - master = platform_device_register_resndata(dev, - DRIVER_NAME "__master", -1, - NULL, 0, NULL, 0); - if (IS_ERR(master)) - return PTR_ERR(master); - - platform_set_drvdata(pdev, master); - return 0; -} - -static int sti_drm_platform_remove(struct platform_device *pdev) -{ - struct platform_device *master = platform_get_drvdata(pdev); - + component_master_del(&pdev->dev, &sti_ops); of_platform_depopulate(&pdev->dev); - platform_device_unregister(master); - platform_driver_unregister(&sti_drm_master_driver); + return 0; } -static const struct of_device_id sti_drm_dt_ids[] = { +static const struct of_device_id sti_dt_ids[] = { { .compatible = "st,sti-display-subsystem", }, { /* end node */ }, }; -MODULE_DEVICE_TABLE(of, sti_drm_dt_ids); +MODULE_DEVICE_TABLE(of, sti_dt_ids); -static struct platform_driver sti_drm_platform_driver = { - .probe = sti_drm_platform_probe, - .remove = sti_drm_platform_remove, +static struct platform_driver sti_platform_driver = { + .probe = sti_platform_probe, + .remove = sti_platform_remove, .driver = { .name = DRIVER_NAME, - .of_match_table = sti_drm_dt_ids, + .of_match_table = sti_dt_ids, }, }; -module_platform_driver(sti_drm_platform_driver); +module_platform_driver(sti_platform_driver); MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>"); MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver"); diff --git a/drivers/gpu/drm/sti/sti_drm_drv.h b/drivers/gpu/drm/sti/sti_drv.h index c413aa3ff402..9372f69e1859 100644 --- a/drivers/gpu/drm/sti/sti_drm_drv.h +++ b/drivers/gpu/drm/sti/sti_drv.h @@ -4,8 +4,8 @@ * License terms: GNU General Public License (GPL), version 2 */ -#ifndef _STI_DRM_DRV_H_ -#define _STI_DRM_DRV_H_ +#ifndef _STI_DRV_H_ +#define _STI_DRV_H_ #include <drm/drmP.h> @@ -20,7 +20,7 @@ struct sti_tvout; * @plane_zorder_property: z-order property for CRTC planes * @drm_dev: drm device */ -struct sti_drm_private { +struct sti_private { struct sti_compositor *compo; struct drm_property *plane_zorder_property; struct drm_device *drm_dev; diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c index 087906fd8846..9365670427ad 100644 --- a/drivers/gpu/drm/sti/sti_gdp.c +++ b/drivers/gpu/drm/sti/sti_gdp.c @@ -9,9 +9,12 @@ #include <linux/clk.h> #include <linux/dma-mapping.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> + #include "sti_compositor.h" #include "sti_gdp.h" -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vtg.h" #define ALPHASWITCH BIT(6) @@ -26,7 +29,7 @@ #define GDP_XBGR8888 (GDP_RGB888_32 | BIGNOTLITTLE | ALPHASWITCH) #define GDP_ARGB8565 0x04 #define GDP_ARGB8888 0x05 -#define GDP_ABGR8888 (GDP_ARGB8888 | BIGNOTLITTLE | ALPHASWITCH) +#define GDP_ABGR8888 (GDP_ARGB8888 | BIGNOTLITTLE | ALPHASWITCH) #define GDP_ARGB1555 0x06 #define GDP_ARGB4444 0x07 #define GDP_CLUT8 0x0B @@ -53,8 +56,8 @@ #define GAM_GDP_PPT_IGNORE (BIT(1) | BIT(0)) #define GAM_GDP_SIZE_MAX 0x7FF -#define GDP_NODE_NB_BANK 2 -#define GDP_NODE_PER_FIELD 2 +#define GDP_NODE_NB_BANK 2 +#define GDP_NODE_PER_FIELD 2 struct sti_gdp_node { u32 gam_gdp_ctl; @@ -85,16 +88,20 @@ struct sti_gdp_node_list { /** * STI GDP structure * - * @layer: layer structure + * @sti_plane: sti_plane structure + * @dev: driver device + * @regs: gdp registers * @clk_pix: pixel clock for the current gdp * @clk_main_parent: gdp parent clock if main path used * @clk_aux_parent: gdp parent clock if aux path used * @vtg_field_nb: callback for VTG FIELD (top or bottom) notification * @is_curr_top: true if the current node processed is the top field - * @node_list: array of node list + * @node_list: array of node list */ struct sti_gdp { - struct sti_layer layer; + struct sti_plane plane; + struct device *dev; + void __iomem *regs; struct clk *clk_pix; struct clk *clk_main_parent; struct clk *clk_aux_parent; @@ -103,7 +110,7 @@ struct sti_gdp { struct sti_gdp_node_list node_list[GDP_NODE_NB_BANK]; }; -#define to_sti_gdp(x) container_of(x, struct sti_gdp, layer) +#define to_sti_gdp(x) container_of(x, struct sti_gdp, plane) static const uint32_t gdp_supported_formats[] = { DRM_FORMAT_XRGB8888, @@ -120,16 +127,6 @@ static const uint32_t gdp_supported_formats[] = { DRM_FORMAT_C8, }; -static const uint32_t *sti_gdp_get_formats(struct sti_layer *layer) -{ - return gdp_supported_formats; -} - -static unsigned int sti_gdp_get_nb_formats(struct sti_layer *layer) -{ - return ARRAY_SIZE(gdp_supported_formats); -} - static int sti_gdp_fourcc2format(int fourcc) { switch (fourcc) { @@ -175,20 +172,19 @@ static int sti_gdp_get_alpharange(int format) /** * sti_gdp_get_free_nodes - * @layer: gdp layer + * @gdp: gdp pointer * * Look for a GDP node list that is not currently read by the HW. * * RETURNS: * Pointer to the free GDP node list */ -static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_layer *layer) +static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_gdp *gdp) { int hw_nvn; - struct sti_gdp *gdp = to_sti_gdp(layer); unsigned int i; - hw_nvn = readl(layer->regs + GAM_GDP_NVN_OFFSET); + hw_nvn = readl(gdp->regs + GAM_GDP_NVN_OFFSET); if (!hw_nvn) goto end; @@ -199,7 +195,7 @@ static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_layer *layer) /* in hazardious cases restart with the first node */ DRM_ERROR("inconsistent NVN for %s: 0x%08X\n", - sti_layer_to_str(layer), hw_nvn); + sti_plane_to_str(&gdp->plane), hw_nvn); end: return &gdp->node_list[0]; @@ -207,7 +203,7 @@ end: /** * sti_gdp_get_current_nodes - * @layer: GDP layer + * @gdp: gdp pointer * * Look for GDP nodes that are currently read by the HW. * @@ -215,13 +211,12 @@ end: * Pointer to the current GDP node list */ static -struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_layer *layer) +struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_gdp *gdp) { int hw_nvn; - struct sti_gdp *gdp = to_sti_gdp(layer); unsigned int i; - hw_nvn = readl(layer->regs + GAM_GDP_NVN_OFFSET); + hw_nvn = readl(gdp->regs + GAM_GDP_NVN_OFFSET); if (!hw_nvn) goto end; @@ -232,205 +227,25 @@ struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_layer *layer) end: DRM_DEBUG_DRIVER("Warning, NVN 0x%08X for %s does not match any node\n", - hw_nvn, sti_layer_to_str(layer)); + hw_nvn, sti_plane_to_str(&gdp->plane)); return NULL; } /** - * sti_gdp_prepare_layer - * @lay: gdp layer - * @first_prepare: true if it is the first time this function is called - * - * Update the free GDP node list according to the layer properties. - * - * RETURNS: - * 0 on success. - */ -static int sti_gdp_prepare_layer(struct sti_layer *layer, bool first_prepare) -{ - struct sti_gdp_node_list *list; - struct sti_gdp_node *top_field, *btm_field; - struct drm_display_mode *mode = layer->mode; - struct device *dev = layer->dev; - struct sti_gdp *gdp = to_sti_gdp(layer); - struct sti_compositor *compo = dev_get_drvdata(dev); - int format; - unsigned int depth, bpp; - int rate = mode->clock * 1000; - int res; - u32 ydo, xdo, yds, xds; - - list = sti_gdp_get_free_nodes(layer); - top_field = list->top_field; - btm_field = list->btm_field; - - dev_dbg(dev, "%s %s top_node:0x%p btm_node:0x%p\n", __func__, - sti_layer_to_str(layer), top_field, btm_field); - - /* Build the top field from layer params */ - top_field->gam_gdp_agc = GAM_GDP_AGC_FULL_RANGE; - top_field->gam_gdp_ctl = WAIT_NEXT_VSYNC; - format = sti_gdp_fourcc2format(layer->format); - if (format == -1) { - DRM_ERROR("Format not supported by GDP %.4s\n", - (char *)&layer->format); - return 1; - } - top_field->gam_gdp_ctl |= format; - top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format); - top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE; - - /* pixel memory location */ - drm_fb_get_bpp_depth(layer->format, &depth, &bpp); - top_field->gam_gdp_pml = (u32) layer->paddr + layer->offsets[0]; - top_field->gam_gdp_pml += layer->src_x * (bpp >> 3); - top_field->gam_gdp_pml += layer->src_y * layer->pitches[0]; - - /* input parameters */ - top_field->gam_gdp_pmp = layer->pitches[0]; - top_field->gam_gdp_size = - clamp_val(layer->src_h, 0, GAM_GDP_SIZE_MAX) << 16 | - clamp_val(layer->src_w, 0, GAM_GDP_SIZE_MAX); - - /* output parameters */ - ydo = sti_vtg_get_line_number(*mode, layer->dst_y); - yds = sti_vtg_get_line_number(*mode, layer->dst_y + layer->dst_h - 1); - xdo = sti_vtg_get_pixel_number(*mode, layer->dst_x); - xds = sti_vtg_get_pixel_number(*mode, layer->dst_x + layer->dst_w - 1); - top_field->gam_gdp_vpo = (ydo << 16) | xdo; - top_field->gam_gdp_vps = (yds << 16) | xds; - - /* Same content and chained together */ - memcpy(btm_field, top_field, sizeof(*btm_field)); - top_field->gam_gdp_nvn = list->btm_field_paddr; - btm_field->gam_gdp_nvn = list->top_field_paddr; - - /* Interlaced mode */ - if (layer->mode->flags & DRM_MODE_FLAG_INTERLACE) - btm_field->gam_gdp_pml = top_field->gam_gdp_pml + - layer->pitches[0]; - - if (first_prepare) { - /* Register gdp callback */ - if (sti_vtg_register_client(layer->mixer_id == STI_MIXER_MAIN ? - compo->vtg_main : compo->vtg_aux, - &gdp->vtg_field_nb, layer->mixer_id)) { - DRM_ERROR("Cannot register VTG notifier\n"); - return 1; - } - - /* Set and enable gdp clock */ - if (gdp->clk_pix) { - struct clk *clkp; - /* According to the mixer used, the gdp pixel clock - * should have a different parent clock. */ - if (layer->mixer_id == STI_MIXER_MAIN) - clkp = gdp->clk_main_parent; - else - clkp = gdp->clk_aux_parent; - - if (clkp) - clk_set_parent(gdp->clk_pix, clkp); - - res = clk_set_rate(gdp->clk_pix, rate); - if (res < 0) { - DRM_ERROR("Cannot set rate (%dHz) for gdp\n", - rate); - return 1; - } - - if (clk_prepare_enable(gdp->clk_pix)) { - DRM_ERROR("Failed to prepare/enable gdp\n"); - return 1; - } - } - } - - return 0; -} - -/** - * sti_gdp_commit_layer - * @lay: gdp layer - * - * Update the NVN field of the 'right' field of the current GDP node (being - * used by the HW) with the address of the updated ('free') top field GDP node. - * - In interlaced mode the 'right' field is the bottom field as we update - * frames starting from their top field - * - In progressive mode, we update both bottom and top fields which are - * equal nodes. - * At the next VSYNC, the updated node list will be used by the HW. - * - * RETURNS: - * 0 on success. - */ -static int sti_gdp_commit_layer(struct sti_layer *layer) -{ - struct sti_gdp_node_list *updated_list = sti_gdp_get_free_nodes(layer); - struct sti_gdp_node *updated_top_node = updated_list->top_field; - struct sti_gdp_node *updated_btm_node = updated_list->btm_field; - struct sti_gdp *gdp = to_sti_gdp(layer); - u32 dma_updated_top = updated_list->top_field_paddr; - u32 dma_updated_btm = updated_list->btm_field_paddr; - struct sti_gdp_node_list *curr_list = sti_gdp_get_current_nodes(layer); - - dev_dbg(layer->dev, "%s %s top/btm_node:0x%p/0x%p\n", __func__, - sti_layer_to_str(layer), - updated_top_node, updated_btm_node); - dev_dbg(layer->dev, "Current NVN:0x%X\n", - readl(layer->regs + GAM_GDP_NVN_OFFSET)); - dev_dbg(layer->dev, "Posted buff: %lx current buff: %x\n", - (unsigned long)layer->paddr, - readl(layer->regs + GAM_GDP_PML_OFFSET)); - - if (curr_list == NULL) { - /* First update or invalid node should directly write in the - * hw register */ - DRM_DEBUG_DRIVER("%s first update (or invalid node)", - sti_layer_to_str(layer)); - - writel(gdp->is_curr_top == true ? - dma_updated_btm : dma_updated_top, - layer->regs + GAM_GDP_NVN_OFFSET); - return 0; - } - - if (layer->mode->flags & DRM_MODE_FLAG_INTERLACE) { - if (gdp->is_curr_top == true) { - /* Do not update in the middle of the frame, but - * postpone the update after the bottom field has - * been displayed */ - curr_list->btm_field->gam_gdp_nvn = dma_updated_top; - } else { - /* Direct update to avoid one frame delay */ - writel(dma_updated_top, - layer->regs + GAM_GDP_NVN_OFFSET); - } - } else { - /* Direct update for progressive to avoid one frame delay */ - writel(dma_updated_top, layer->regs + GAM_GDP_NVN_OFFSET); - } - - return 0; -} - -/** - * sti_gdp_disable_layer - * @lay: gdp layer + * sti_gdp_disable + * @gdp: gdp pointer * * Disable a GDP. - * - * RETURNS: - * 0 on success. */ -static int sti_gdp_disable_layer(struct sti_layer *layer) +static void sti_gdp_disable(struct sti_gdp *gdp) { + struct drm_plane *drm_plane = &gdp->plane.drm_plane; + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + struct sti_compositor *compo = dev_get_drvdata(gdp->dev); unsigned int i; - struct sti_gdp *gdp = to_sti_gdp(layer); - struct sti_compositor *compo = dev_get_drvdata(layer->dev); - DRM_DEBUG_DRIVER("%s\n", sti_layer_to_str(layer)); + DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(&gdp->plane)); /* Set the nodes as 'to be ignored on mixer' */ for (i = 0; i < GDP_NODE_NB_BANK; i++) { @@ -438,14 +253,14 @@ static int sti_gdp_disable_layer(struct sti_layer *layer) gdp->node_list[i].btm_field->gam_gdp_ppt |= GAM_GDP_PPT_IGNORE; } - if (sti_vtg_unregister_client(layer->mixer_id == STI_MIXER_MAIN ? + if (sti_vtg_unregister_client(mixer->id == STI_MIXER_MAIN ? compo->vtg_main : compo->vtg_aux, &gdp->vtg_field_nb)) DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n"); if (gdp->clk_pix) clk_disable_unprepare(gdp->clk_pix); - return 0; + gdp->plane.status = STI_PLANE_DISABLED; } /** @@ -464,6 +279,14 @@ int sti_gdp_field_cb(struct notifier_block *nb, { struct sti_gdp *gdp = container_of(nb, struct sti_gdp, vtg_field_nb); + if (gdp->plane.status == STI_PLANE_FLUSHING) { + /* disable need to be synchronize on vsync event */ + DRM_DEBUG_DRIVER("Vsync event received => disable %s\n", + sti_plane_to_str(&gdp->plane)); + + sti_gdp_disable(gdp); + } + switch (event) { case VTG_TOP_FIELD_EVENT: gdp->is_curr_top = true; @@ -479,10 +302,9 @@ int sti_gdp_field_cb(struct notifier_block *nb, return 0; } -static void sti_gdp_init(struct sti_layer *layer) +static void sti_gdp_init(struct sti_gdp *gdp) { - struct sti_gdp *gdp = to_sti_gdp(layer); - struct device_node *np = layer->dev->of_node; + struct device_node *np = gdp->dev->of_node; dma_addr_t dma_addr; void *base; unsigned int i, size; @@ -490,8 +312,8 @@ static void sti_gdp_init(struct sti_layer *layer) /* Allocate all the nodes within a single memory page */ size = sizeof(struct sti_gdp_node) * GDP_NODE_PER_FIELD * GDP_NODE_NB_BANK; - base = dma_alloc_writecombine(layer->dev, - size, &dma_addr, GFP_KERNEL | GFP_DMA); + base = dma_alloc_writecombine(gdp->dev, + size, &dma_addr, GFP_KERNEL | GFP_DMA); if (!base) { DRM_ERROR("Failed to allocate memory for GDP node\n"); @@ -526,7 +348,7 @@ static void sti_gdp_init(struct sti_layer *layer) /* GDP of STiH407 chip have its own pixel clock */ char *clk_name; - switch (layer->desc) { + switch (gdp->plane.desc) { case STI_GDP_0: clk_name = "pix_gdp1"; break; @@ -544,32 +366,249 @@ static void sti_gdp_init(struct sti_layer *layer) return; } - gdp->clk_pix = devm_clk_get(layer->dev, clk_name); + gdp->clk_pix = devm_clk_get(gdp->dev, clk_name); if (IS_ERR(gdp->clk_pix)) DRM_ERROR("Cannot get %s clock\n", clk_name); - gdp->clk_main_parent = devm_clk_get(layer->dev, "main_parent"); + gdp->clk_main_parent = devm_clk_get(gdp->dev, "main_parent"); if (IS_ERR(gdp->clk_main_parent)) DRM_ERROR("Cannot get main_parent clock\n"); - gdp->clk_aux_parent = devm_clk_get(layer->dev, "aux_parent"); + gdp->clk_aux_parent = devm_clk_get(gdp->dev, "aux_parent"); if (IS_ERR(gdp->clk_aux_parent)) DRM_ERROR("Cannot get aux_parent clock\n"); } } -static const struct sti_layer_funcs gdp_ops = { - .get_formats = sti_gdp_get_formats, - .get_nb_formats = sti_gdp_get_nb_formats, - .init = sti_gdp_init, - .prepare = sti_gdp_prepare_layer, - .commit = sti_gdp_commit_layer, - .disable = sti_gdp_disable_layer, +static void sti_gdp_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_gdp *gdp = to_sti_gdp(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_compositor *compo = dev_get_drvdata(gdp->dev); + struct drm_framebuffer *fb = state->fb; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct sti_mixer *mixer; + struct drm_display_mode *mode; + int dst_x, dst_y, dst_w, dst_h; + int src_x, src_y, src_w, src_h; + struct drm_gem_cma_object *cma_obj; + struct sti_gdp_node_list *list; + struct sti_gdp_node_list *curr_list; + struct sti_gdp_node *top_field, *btm_field; + u32 dma_updated_top; + u32 dma_updated_btm; + int format; + unsigned int depth, bpp; + u32 ydo, xdo, yds, xds; + int res; + + /* Manage the case where crtc is null (disabled) */ + if (!crtc) + return; + + mixer = to_sti_mixer(crtc); + mode = &crtc->mode; + dst_x = state->crtc_x; + dst_y = state->crtc_y; + dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + src_x = state->src_x >> 16; + src_y = state->src_y >> 16; + src_w = state->src_w >> 16; + src_h = state->src_h >> 16; + + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", + sti_plane_to_str(plane), + dst_w, dst_h, dst_x, dst_y, + src_w, src_h, src_x, src_y); + + list = sti_gdp_get_free_nodes(gdp); + top_field = list->top_field; + btm_field = list->btm_field; + + dev_dbg(gdp->dev, "%s %s top_node:0x%p btm_node:0x%p\n", __func__, + sti_plane_to_str(plane), top_field, btm_field); + + /* build the top field */ + top_field->gam_gdp_agc = GAM_GDP_AGC_FULL_RANGE; + top_field->gam_gdp_ctl = WAIT_NEXT_VSYNC; + format = sti_gdp_fourcc2format(fb->pixel_format); + if (format == -1) { + DRM_ERROR("Format not supported by GDP %.4s\n", + (char *)&fb->pixel_format); + return; + } + top_field->gam_gdp_ctl |= format; + top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format); + top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE; + + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + + DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, + (char *)&fb->pixel_format, + (unsigned long)cma_obj->paddr); + + /* pixel memory location */ + drm_fb_get_bpp_depth(fb->pixel_format, &depth, &bpp); + top_field->gam_gdp_pml = (u32)cma_obj->paddr + fb->offsets[0]; + top_field->gam_gdp_pml += src_x * (bpp >> 3); + top_field->gam_gdp_pml += src_y * fb->pitches[0]; + + /* input parameters */ + top_field->gam_gdp_pmp = fb->pitches[0]; + top_field->gam_gdp_size = clamp_val(src_h, 0, GAM_GDP_SIZE_MAX) << 16 | + clamp_val(src_w, 0, GAM_GDP_SIZE_MAX); + + /* output parameters */ + ydo = sti_vtg_get_line_number(*mode, dst_y); + yds = sti_vtg_get_line_number(*mode, dst_y + dst_h - 1); + xdo = sti_vtg_get_pixel_number(*mode, dst_x); + xds = sti_vtg_get_pixel_number(*mode, dst_x + dst_w - 1); + top_field->gam_gdp_vpo = (ydo << 16) | xdo; + top_field->gam_gdp_vps = (yds << 16) | xds; + + /* Same content and chained together */ + memcpy(btm_field, top_field, sizeof(*btm_field)); + top_field->gam_gdp_nvn = list->btm_field_paddr; + btm_field->gam_gdp_nvn = list->top_field_paddr; + + /* Interlaced mode */ + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + btm_field->gam_gdp_pml = top_field->gam_gdp_pml + + fb->pitches[0]; + + if (first_prepare) { + /* Register gdp callback */ + if (sti_vtg_register_client(mixer->id == STI_MIXER_MAIN ? + compo->vtg_main : compo->vtg_aux, + &gdp->vtg_field_nb, mixer->id)) { + DRM_ERROR("Cannot register VTG notifier\n"); + return; + } + + /* Set and enable gdp clock */ + if (gdp->clk_pix) { + struct clk *clkp; + int rate = mode->clock * 1000; + + /* According to the mixer used, the gdp pixel clock + * should have a different parent clock. */ + if (mixer->id == STI_MIXER_MAIN) + clkp = gdp->clk_main_parent; + else + clkp = gdp->clk_aux_parent; + + if (clkp) + clk_set_parent(gdp->clk_pix, clkp); + + res = clk_set_rate(gdp->clk_pix, rate); + if (res < 0) { + DRM_ERROR("Cannot set rate (%dHz) for gdp\n", + rate); + return; + } + + if (clk_prepare_enable(gdp->clk_pix)) { + DRM_ERROR("Failed to prepare/enable gdp\n"); + return; + } + } + } + + /* Update the NVN field of the 'right' field of the current GDP node + * (being used by the HW) with the address of the updated ('free') top + * field GDP node. + * - In interlaced mode the 'right' field is the bottom field as we + * update frames starting from their top field + * - In progressive mode, we update both bottom and top fields which + * are equal nodes. + * At the next VSYNC, the updated node list will be used by the HW. + */ + curr_list = sti_gdp_get_current_nodes(gdp); + dma_updated_top = list->top_field_paddr; + dma_updated_btm = list->btm_field_paddr; + + dev_dbg(gdp->dev, "Current NVN:0x%X\n", + readl(gdp->regs + GAM_GDP_NVN_OFFSET)); + dev_dbg(gdp->dev, "Posted buff: %lx current buff: %x\n", + (unsigned long)cma_obj->paddr, + readl(gdp->regs + GAM_GDP_PML_OFFSET)); + + if (!curr_list) { + /* First update or invalid node should directly write in the + * hw register */ + DRM_DEBUG_DRIVER("%s first update (or invalid node)", + sti_plane_to_str(plane)); + + writel(gdp->is_curr_top ? + dma_updated_btm : dma_updated_top, + gdp->regs + GAM_GDP_NVN_OFFSET); + goto end; + } + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + if (gdp->is_curr_top) { + /* Do not update in the middle of the frame, but + * postpone the update after the bottom field has + * been displayed */ + curr_list->btm_field->gam_gdp_nvn = dma_updated_top; + } else { + /* Direct update to avoid one frame delay */ + writel(dma_updated_top, + gdp->regs + GAM_GDP_NVN_OFFSET); + } + } else { + /* Direct update for progressive to avoid one frame delay */ + writel(dma_updated_top, gdp->regs + GAM_GDP_NVN_OFFSET); + } + +end: + plane->status = STI_PLANE_UPDATED; +} + +static void sti_gdp_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } + + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; +} + +static const struct drm_plane_helper_funcs sti_gdp_helpers_funcs = { + .atomic_update = sti_gdp_atomic_update, + .atomic_disable = sti_gdp_atomic_disable, }; -struct sti_layer *sti_gdp_create(struct device *dev, int id) +struct drm_plane *sti_gdp_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs, + enum drm_plane_type type) { struct sti_gdp *gdp; + int res; gdp = devm_kzalloc(dev, sizeof(*gdp), GFP_KERNEL); if (!gdp) { @@ -577,8 +616,33 @@ struct sti_layer *sti_gdp_create(struct device *dev, int id) return NULL; } - gdp->layer.ops = &gdp_ops; + gdp->dev = dev; + gdp->regs = baseaddr; + gdp->plane.desc = desc; + gdp->plane.status = STI_PLANE_DISABLED; + gdp->vtg_field_nb.notifier_call = sti_gdp_field_cb; - return (struct sti_layer *)gdp; + sti_gdp_init(gdp); + + res = drm_universal_plane_init(drm_dev, &gdp->plane.drm_plane, + possible_crtcs, + &sti_plane_helpers_funcs, + gdp_supported_formats, + ARRAY_SIZE(gdp_supported_formats), + type); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + goto err; + } + + drm_plane_helper_add(&gdp->plane.drm_plane, &sti_gdp_helpers_funcs); + + sti_plane_init_property(&gdp->plane, type); + + return &gdp->plane.drm_plane; + +err: + devm_kfree(dev, gdp); + return NULL; } diff --git a/drivers/gpu/drm/sti/sti_gdp.h b/drivers/gpu/drm/sti/sti_gdp.h index 1dab68274ad3..73947a4a8004 100644 --- a/drivers/gpu/drm/sti/sti_gdp.h +++ b/drivers/gpu/drm/sti/sti_gdp.h @@ -11,6 +11,9 @@ #include <linux/types.h> -struct sti_layer *sti_gdp_create(struct device *dev, int id); - +struct drm_plane *sti_gdp_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs, + enum drm_plane_type type); #endif diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index f28a4d54487c..09e29e43423e 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -588,7 +588,7 @@ static int sti_hdmi_connector_get_modes(struct drm_connector *connector) return count; fail: - DRM_ERROR("Can not read HDMI EDID\n"); + DRM_ERROR("Can't read HDMI EDID\n"); return 0; } @@ -693,21 +693,8 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data) struct sti_hdmi_connector *connector; struct drm_connector *drm_connector; struct drm_bridge *bridge; - struct device_node *ddc; int err; - ddc = of_parse_phandle(dev->of_node, "ddc", 0); - if (ddc) { - hdmi->ddc_adapt = of_find_i2c_adapter_by_node(ddc); - if (!hdmi->ddc_adapt) { - err = -EPROBE_DEFER; - of_node_put(ddc); - return err; - } - - of_node_put(ddc); - } - /* Set the drm device handle */ hdmi->drm_dev = drm_dev; @@ -796,6 +783,7 @@ static int sti_hdmi_probe(struct platform_device *pdev) struct sti_hdmi *hdmi; struct device_node *np = dev->of_node; struct resource *res; + struct device_node *ddc; int ret; DRM_INFO("%s\n", __func__); @@ -804,6 +792,17 @@ static int sti_hdmi_probe(struct platform_device *pdev) if (!hdmi) return -ENOMEM; + ddc = of_parse_phandle(pdev->dev.of_node, "ddc", 0); + if (ddc) { + hdmi->ddc_adapt = of_find_i2c_adapter_by_node(ddc); + if (!hdmi->ddc_adapt) { + of_node_put(ddc); + return -EPROBE_DEFER; + } + + of_node_put(ddc); + } + hdmi->dev = pdev->dev; /* Get resources */ diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index b0eb62de1b2e..7c8f9b8bfae1 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -12,11 +12,12 @@ #include <linux/reset.h> #include <drm/drmP.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> -#include "sti_drm_plane.h" -#include "sti_hqvdp.h" +#include "sti_compositor.h" #include "sti_hqvdp_lut.h" -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vtg.h" /* Firmware name */ @@ -322,8 +323,7 @@ struct sti_hqvdp_cmd { * @dev: driver device * @drm_dev: the drm device * @regs: registers - * @layer: layer structure for hqvdp it self - * @vid_plane: VID plug used as link with compositor IP + * @plane: plane structure for hqvdp it self * @clk: IP clock * @clk_pix_main: pix main clock * @reset: reset control @@ -334,13 +334,13 @@ struct sti_hqvdp_cmd { * @hqvdp_cmd: buffer of commands * @hqvdp_cmd_paddr: physical address of hqvdp_cmd * @vtg: vtg for main data path + * @xp70_initialized: true if xp70 is already initialized */ struct sti_hqvdp { struct device *dev; struct drm_device *drm_dev; void __iomem *regs; - struct sti_layer layer; - struct drm_plane *vid_plane; + struct sti_plane plane; struct clk *clk; struct clk *clk_pix_main; struct reset_control *reset; @@ -351,24 +351,15 @@ struct sti_hqvdp { void *hqvdp_cmd; dma_addr_t hqvdp_cmd_paddr; struct sti_vtg *vtg; + bool xp70_initialized; }; -#define to_sti_hqvdp(x) container_of(x, struct sti_hqvdp, layer) +#define to_sti_hqvdp(x) container_of(x, struct sti_hqvdp, plane) static const uint32_t hqvdp_supported_formats[] = { DRM_FORMAT_NV12, }; -static const uint32_t *sti_hqvdp_get_formats(struct sti_layer *layer) -{ - return hqvdp_supported_formats; -} - -static unsigned int sti_hqvdp_get_nb_formats(struct sti_layer *layer) -{ - return ARRAY_SIZE(hqvdp_supported_formats); -} - /** * sti_hqvdp_get_free_cmd * @hqvdp: hqvdp structure @@ -484,7 +475,12 @@ static void sti_hqvdp_update_hvsrc(enum sti_hvsrc_orient orient, int scale, /** * sti_hqvdp_check_hw_scaling - * @layer: hqvdp layer + * @hqvdp: hqvdp pointer + * @mode: display mode with timing constraints + * @src_w: source width + * @src_h: source height + * @dst_w: destination width + * @dst_h: destination height * * Check if the HW is able to perform the scaling request * The firmware scaling limitation is "CEIL(1/Zy) <= FLOOR(LFW)" where: @@ -498,184 +494,36 @@ static void sti_hqvdp_update_hvsrc(enum sti_hvsrc_orient orient, int scale, * RETURNS: * True if the HW can scale. */ -static bool sti_hqvdp_check_hw_scaling(struct sti_layer *layer) +static bool sti_hqvdp_check_hw_scaling(struct sti_hqvdp *hqvdp, + struct drm_display_mode *mode, + int src_w, int src_h, + int dst_w, int dst_h) { - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); unsigned long lfw; unsigned int inv_zy; - lfw = layer->mode->htotal * (clk_get_rate(hqvdp->clk) / 1000000); - lfw /= max(layer->src_w, layer->dst_w) * layer->mode->clock / 1000; + lfw = mode->htotal * (clk_get_rate(hqvdp->clk) / 1000000); + lfw /= max(src_w, dst_w) * mode->clock / 1000; - inv_zy = DIV_ROUND_UP(layer->src_h, layer->dst_h); + inv_zy = DIV_ROUND_UP(src_h, dst_h); return (inv_zy <= lfw) ? true : false; } /** - * sti_hqvdp_prepare_layer - * @layer: hqvdp layer - * @first_prepare: true if it is the first time this function is called + * sti_hqvdp_disable + * @hqvdp: hqvdp pointer * - * Prepares a command for the firmware - * - * RETURNS: - * 0 on success. + * Disables the HQVDP plane */ -static int sti_hqvdp_prepare_layer(struct sti_layer *layer, bool first_prepare) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); - struct sti_hqvdp_cmd *cmd; - int scale_h, scale_v; - int cmd_offset; - - dev_dbg(hqvdp->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); - - /* prepare and commit VID plane */ - hqvdp->vid_plane->funcs->update_plane(hqvdp->vid_plane, - layer->crtc, layer->fb, - layer->dst_x, layer->dst_y, - layer->dst_w, layer->dst_h, - layer->src_x, layer->src_y, - layer->src_w, layer->src_h); - - cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); - if (cmd_offset == -1) { - DRM_ERROR("No available hqvdp_cmd now\n"); - return -EBUSY; - } - cmd = hqvdp->hqvdp_cmd + cmd_offset; - - if (!sti_hqvdp_check_hw_scaling(layer)) { - DRM_ERROR("Scaling beyond HW capabilities\n"); - return -EINVAL; - } - - /* Static parameters, defaulting to progressive mode */ - cmd->top.config = TOP_CONFIG_PROGRESSIVE; - cmd->top.mem_format = TOP_MEM_FORMAT_DFLT; - cmd->hvsrc.param_ctrl = HVSRC_PARAM_CTRL_DFLT; - cmd->csdi.config = CSDI_CONFIG_PROG; - - /* VC1RE, FMD bypassed : keep everything set to 0 - * IQI/P2I bypassed */ - cmd->iqi.config = IQI_CONFIG_DFLT; - cmd->iqi.con_bri = IQI_CON_BRI_DFLT; - cmd->iqi.sat_gain = IQI_SAT_GAIN_DFLT; - cmd->iqi.pxf_conf = IQI_PXF_CONF_DFLT; - - /* Buffer planes address */ - cmd->top.current_luma = (u32) layer->paddr + layer->offsets[0]; - cmd->top.current_chroma = (u32) layer->paddr + layer->offsets[1]; - - /* Pitches */ - cmd->top.luma_processed_pitch = cmd->top.luma_src_pitch = - layer->pitches[0]; - cmd->top.chroma_processed_pitch = cmd->top.chroma_src_pitch = - layer->pitches[1]; - - /* Input / output size - * Align to upper even value */ - layer->dst_w = ALIGN(layer->dst_w, 2); - layer->dst_h = ALIGN(layer->dst_h, 2); - - if ((layer->src_w > MAX_WIDTH) || (layer->src_w < MIN_WIDTH) || - (layer->src_h > MAX_HEIGHT) || (layer->src_h < MIN_HEIGHT) || - (layer->dst_w > MAX_WIDTH) || (layer->dst_w < MIN_WIDTH) || - (layer->dst_h > MAX_HEIGHT) || (layer->dst_h < MIN_HEIGHT)) { - DRM_ERROR("Invalid in/out size %dx%d -> %dx%d\n", - layer->src_w, layer->src_h, - layer->dst_w, layer->dst_h); - return -EINVAL; - } - cmd->top.input_viewport_size = cmd->top.input_frame_size = - layer->src_h << 16 | layer->src_w; - cmd->hvsrc.output_picture_size = layer->dst_h << 16 | layer->dst_w; - cmd->top.input_viewport_ori = layer->src_y << 16 | layer->src_x; - - /* Handle interlaced */ - if (layer->fb->flags & DRM_MODE_FB_INTERLACED) { - /* Top field to display */ - cmd->top.config = TOP_CONFIG_INTER_TOP; - - /* Update pitches and vert size */ - cmd->top.input_frame_size = (layer->src_h / 2) << 16 | - layer->src_w; - cmd->top.luma_processed_pitch *= 2; - cmd->top.luma_src_pitch *= 2; - cmd->top.chroma_processed_pitch *= 2; - cmd->top.chroma_src_pitch *= 2; - - /* Enable directional deinterlacing processing */ - cmd->csdi.config = CSDI_CONFIG_INTER_DIR; - cmd->csdi.config2 = CSDI_CONFIG2_DFLT; - cmd->csdi.dcdi_config = CSDI_DCDI_CONFIG_DFLT; - } - - /* Update hvsrc lut coef */ - scale_h = SCALE_FACTOR * layer->dst_w / layer->src_w; - sti_hqvdp_update_hvsrc(HVSRC_HORI, scale_h, &cmd->hvsrc); - - scale_v = SCALE_FACTOR * layer->dst_h / layer->src_h; - sti_hqvdp_update_hvsrc(HVSRC_VERT, scale_v, &cmd->hvsrc); - - if (first_prepare) { - /* Prevent VTG shutdown */ - if (clk_prepare_enable(hqvdp->clk_pix_main)) { - DRM_ERROR("Failed to prepare/enable pix main clk\n"); - return -ENXIO; - } - - /* Register VTG Vsync callback to handle bottom fields */ - if ((layer->fb->flags & DRM_MODE_FB_INTERLACED) && - sti_vtg_register_client(hqvdp->vtg, - &hqvdp->vtg_nb, layer->mixer_id)) { - DRM_ERROR("Cannot register VTG notifier\n"); - return -ENXIO; - } - } - - return 0; -} - -static int sti_hqvdp_commit_layer(struct sti_layer *layer) +static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp) { - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); - int cmd_offset; - - dev_dbg(hqvdp->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); - - cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); - if (cmd_offset == -1) { - DRM_ERROR("No available hqvdp_cmd now\n"); - return -EBUSY; - } - - writel(hqvdp->hqvdp_cmd_paddr + cmd_offset, - hqvdp->regs + HQVDP_MBX_NEXT_CMD); - - hqvdp->curr_field_count++; - - /* Interlaced : get ready to display the bottom field at next Vsync */ - if (layer->fb->flags & DRM_MODE_FB_INTERLACED) - hqvdp->btm_field_pending = true; - - dev_dbg(hqvdp->dev, "%s Posted command:0x%x\n", - __func__, hqvdp->hqvdp_cmd_paddr + cmd_offset); - - return 0; -} - -static int sti_hqvdp_disable_layer(struct sti_layer *layer) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); int i; - DRM_DEBUG_DRIVER("%s\n", sti_layer_to_str(layer)); + DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(&hqvdp->plane)); /* Unregister VTG Vsync callback */ - if ((layer->fb->flags & DRM_MODE_FB_INTERLACED) && - sti_vtg_unregister_client(hqvdp->vtg, &hqvdp->vtg_nb)) + if (sti_vtg_unregister_client(hqvdp->vtg, &hqvdp->vtg_nb)) DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n"); /* Set next cmd to NULL */ @@ -691,15 +539,10 @@ static int sti_hqvdp_disable_layer(struct sti_layer *layer) /* VTG can stop now */ clk_disable_unprepare(hqvdp->clk_pix_main); - if (i == POLL_MAX_ATTEMPT) { + if (i == POLL_MAX_ATTEMPT) DRM_ERROR("XP70 could not revert to idle\n"); - return -ENXIO; - } - - /* disable VID plane */ - hqvdp->vid_plane->funcs->disable_plane(hqvdp->vid_plane); - return 0; + hqvdp->plane.status = STI_PLANE_DISABLED; } /** @@ -724,6 +567,14 @@ int sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data) return 0; } + if (hqvdp->plane.status == STI_PLANE_FLUSHING) { + /* disable need to be synchronize on vsync event */ + DRM_DEBUG_DRIVER("Vsync event received => disable %s\n", + sti_plane_to_str(&hqvdp->plane)); + + sti_hqvdp_disable(hqvdp); + } + if (hqvdp->btm_field_pending) { /* Create the btm field command from the current one */ btm_cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); @@ -758,32 +609,10 @@ int sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data) return 0; } -static struct drm_plane *sti_hqvdp_find_vid(struct drm_device *dev, int id) +static void sti_hqvdp_init(struct sti_hqvdp *hqvdp) { - struct drm_plane *plane; - - list_for_each_entry(plane, &dev->mode_config.plane_list, head) { - struct sti_layer *layer = to_sti_layer(plane); - - if (layer->desc == id) - return plane; - } - - return NULL; -} - -static void sti_hqvd_init(struct sti_layer *layer) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); int size; - /* find the plane macthing with vid 0 */ - hqvdp->vid_plane = sti_hqvdp_find_vid(hqvdp->drm_dev, STI_VID_0); - if (!hqvdp->vid_plane) { - DRM_ERROR("Cannot find Main video layer\n"); - return; - } - hqvdp->vtg_nb.notifier_call = sti_hqvdp_vtg_cb; /* Allocate memory for the VDP commands */ @@ -799,24 +628,213 @@ static void sti_hqvd_init(struct sti_layer *layer) memset(hqvdp->hqvdp_cmd, 0, size); } -static const struct sti_layer_funcs hqvdp_ops = { - .get_formats = sti_hqvdp_get_formats, - .get_nb_formats = sti_hqvdp_get_nb_formats, - .init = sti_hqvd_init, - .prepare = sti_hqvdp_prepare_layer, - .commit = sti_hqvdp_commit_layer, - .disable = sti_hqvdp_disable_layer, +static void sti_hqvdp_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct drm_framebuffer *fb = state->fb; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + int src_x = state->src_x >> 16; + int src_y = state->src_y >> 16; + int src_w = state->src_w >> 16; + int src_h = state->src_h >> 16; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct drm_gem_cma_object *cma_obj; + struct sti_hqvdp_cmd *cmd; + int scale_h, scale_v; + int cmd_offset; + + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", + sti_plane_to_str(plane), + dst_w, dst_h, dst_x, dst_y, + src_w, src_h, src_x, src_y); + + cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); + if (cmd_offset == -1) { + DRM_ERROR("No available hqvdp_cmd now\n"); + return; + } + cmd = hqvdp->hqvdp_cmd + cmd_offset; + + if (!sti_hqvdp_check_hw_scaling(hqvdp, mode, + src_w, src_h, + dst_w, dst_h)) { + DRM_ERROR("Scaling beyond HW capabilities\n"); + return; + } + + /* Static parameters, defaulting to progressive mode */ + cmd->top.config = TOP_CONFIG_PROGRESSIVE; + cmd->top.mem_format = TOP_MEM_FORMAT_DFLT; + cmd->hvsrc.param_ctrl = HVSRC_PARAM_CTRL_DFLT; + cmd->csdi.config = CSDI_CONFIG_PROG; + + /* VC1RE, FMD bypassed : keep everything set to 0 + * IQI/P2I bypassed */ + cmd->iqi.config = IQI_CONFIG_DFLT; + cmd->iqi.con_bri = IQI_CON_BRI_DFLT; + cmd->iqi.sat_gain = IQI_SAT_GAIN_DFLT; + cmd->iqi.pxf_conf = IQI_PXF_CONF_DFLT; + + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + + DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, + (char *)&fb->pixel_format, + (unsigned long)cma_obj->paddr); + + /* Buffer planes address */ + cmd->top.current_luma = (u32)cma_obj->paddr + fb->offsets[0]; + cmd->top.current_chroma = (u32)cma_obj->paddr + fb->offsets[1]; + + /* Pitches */ + cmd->top.luma_processed_pitch = fb->pitches[0]; + cmd->top.luma_src_pitch = fb->pitches[0]; + cmd->top.chroma_processed_pitch = fb->pitches[1]; + cmd->top.chroma_src_pitch = fb->pitches[1]; + + /* Input / output size + * Align to upper even value */ + dst_w = ALIGN(dst_w, 2); + dst_h = ALIGN(dst_h, 2); + + if ((src_w > MAX_WIDTH) || (src_w < MIN_WIDTH) || + (src_h > MAX_HEIGHT) || (src_h < MIN_HEIGHT) || + (dst_w > MAX_WIDTH) || (dst_w < MIN_WIDTH) || + (dst_h > MAX_HEIGHT) || (dst_h < MIN_HEIGHT)) { + DRM_ERROR("Invalid in/out size %dx%d -> %dx%d\n", + src_w, src_h, + dst_w, dst_h); + return; + } + + cmd->top.input_viewport_size = src_h << 16 | src_w; + cmd->top.input_frame_size = src_h << 16 | src_w; + cmd->hvsrc.output_picture_size = dst_h << 16 | dst_w; + cmd->top.input_viewport_ori = src_y << 16 | src_x; + + /* Handle interlaced */ + if (fb->flags & DRM_MODE_FB_INTERLACED) { + /* Top field to display */ + cmd->top.config = TOP_CONFIG_INTER_TOP; + + /* Update pitches and vert size */ + cmd->top.input_frame_size = (src_h / 2) << 16 | src_w; + cmd->top.luma_processed_pitch *= 2; + cmd->top.luma_src_pitch *= 2; + cmd->top.chroma_processed_pitch *= 2; + cmd->top.chroma_src_pitch *= 2; + + /* Enable directional deinterlacing processing */ + cmd->csdi.config = CSDI_CONFIG_INTER_DIR; + cmd->csdi.config2 = CSDI_CONFIG2_DFLT; + cmd->csdi.dcdi_config = CSDI_DCDI_CONFIG_DFLT; + } + + /* Update hvsrc lut coef */ + scale_h = SCALE_FACTOR * dst_w / src_w; + sti_hqvdp_update_hvsrc(HVSRC_HORI, scale_h, &cmd->hvsrc); + + scale_v = SCALE_FACTOR * dst_h / src_h; + sti_hqvdp_update_hvsrc(HVSRC_VERT, scale_v, &cmd->hvsrc); + + if (first_prepare) { + /* Prevent VTG shutdown */ + if (clk_prepare_enable(hqvdp->clk_pix_main)) { + DRM_ERROR("Failed to prepare/enable pix main clk\n"); + return; + } + + /* Register VTG Vsync callback to handle bottom fields */ + if (sti_vtg_register_client(hqvdp->vtg, + &hqvdp->vtg_nb, + mixer->id)) { + DRM_ERROR("Cannot register VTG notifier\n"); + return; + } + } + + writel(hqvdp->hqvdp_cmd_paddr + cmd_offset, + hqvdp->regs + HQVDP_MBX_NEXT_CMD); + + hqvdp->curr_field_count++; + + /* Interlaced : get ready to display the bottom field at next Vsync */ + if (fb->flags & DRM_MODE_FB_INTERLACED) + hqvdp->btm_field_pending = true; + + dev_dbg(hqvdp->dev, "%s Posted command:0x%x\n", + __func__, hqvdp->hqvdp_cmd_paddr + cmd_offset); + + plane->status = STI_PLANE_UPDATED; +} + +static void sti_hqvdp_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } + + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; +} + +static const struct drm_plane_helper_funcs sti_hqvdp_helpers_funcs = { + .atomic_update = sti_hqvdp_atomic_update, + .atomic_disable = sti_hqvdp_atomic_disable, }; -struct sti_layer *sti_hqvdp_create(struct device *dev) +static struct drm_plane *sti_hqvdp_create(struct drm_device *drm_dev, + struct device *dev, int desc) { struct sti_hqvdp *hqvdp = dev_get_drvdata(dev); + int res; + + hqvdp->plane.desc = desc; + hqvdp->plane.status = STI_PLANE_DISABLED; - hqvdp->layer.ops = &hqvdp_ops; + sti_hqvdp_init(hqvdp); - return &hqvdp->layer; + res = drm_universal_plane_init(drm_dev, &hqvdp->plane.drm_plane, 1, + &sti_plane_helpers_funcs, + hqvdp_supported_formats, + ARRAY_SIZE(hqvdp_supported_formats), + DRM_PLANE_TYPE_OVERLAY); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + return NULL; + } + + drm_plane_helper_add(&hqvdp->plane.drm_plane, &sti_hqvdp_helpers_funcs); + + sti_plane_init_property(&hqvdp->plane, DRM_PLANE_TYPE_OVERLAY); + + return &hqvdp->plane.drm_plane; } -EXPORT_SYMBOL(sti_hqvdp_create); static void sti_hqvdp_init_plugs(struct sti_hqvdp *hqvdp) { @@ -859,6 +877,12 @@ static void sti_hqvdp_start_xp70(const struct firmware *firmware, void *ctxt) } *header; DRM_DEBUG_DRIVER("\n"); + + if (hqvdp->xp70_initialized) { + DRM_INFO("HQVDP XP70 already initialized\n"); + return; + } + /* Check firmware parts */ if (!firmware) { DRM_ERROR("Firmware not available\n"); @@ -946,7 +970,10 @@ static void sti_hqvdp_start_xp70(const struct firmware *firmware, void *ctxt) /* Launch Vsync */ writel(SOFT_VSYNC_HW, hqvdp->regs + HQVDP_MBX_SOFT_VSYNC); - DRM_INFO("HQVDP XP70 started\n"); + DRM_INFO("HQVDP XP70 initialized\n"); + + hqvdp->xp70_initialized = true; + out: release_firmware(firmware); } @@ -955,7 +982,7 @@ int sti_hqvdp_bind(struct device *dev, struct device *master, void *data) { struct sti_hqvdp *hqvdp = dev_get_drvdata(dev); struct drm_device *drm_dev = data; - struct sti_layer *layer; + struct drm_plane *plane; int err; DRM_DEBUG_DRIVER("\n"); @@ -971,13 +998,10 @@ int sti_hqvdp_bind(struct device *dev, struct device *master, void *data) return err; } - layer = sti_layer_create(hqvdp->dev, STI_HQVDP_0, hqvdp->regs); - if (!layer) { + /* Create HQVDP plane once xp70 is initialized */ + plane = sti_hqvdp_create(drm_dev, hqvdp->dev, STI_HQVDP_0); + if (!plane) DRM_ERROR("Can't create HQVDP plane\n"); - return -ENOMEM; - } - - sti_drm_plane_init(drm_dev, layer, 1, DRM_PLANE_TYPE_OVERLAY); return 0; } diff --git a/drivers/gpu/drm/sti/sti_hqvdp.h b/drivers/gpu/drm/sti/sti_hqvdp.h deleted file mode 100644 index cd5ecd0a6dea..000000000000 --- a/drivers/gpu/drm/sti/sti_hqvdp.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Fabien Dessenne <fabien.dessenne@st.com> for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_HQVDP_H_ -#define _STI_HQVDP_H_ - -struct sti_layer *sti_hqvdp_create(struct device *dev); - -#endif diff --git a/drivers/gpu/drm/sti/sti_layer.c b/drivers/gpu/drm/sti/sti_layer.c deleted file mode 100644 index 899104f9d4bc..000000000000 --- a/drivers/gpu/drm/sti/sti_layer.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> - * Fabien Dessenne <fabien.dessenne@st.com> - * for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#include <drm/drmP.h> -#include <drm/drm_gem_cma_helper.h> -#include <drm/drm_fb_cma_helper.h> - -#include "sti_compositor.h" -#include "sti_cursor.h" -#include "sti_gdp.h" -#include "sti_hqvdp.h" -#include "sti_layer.h" -#include "sti_vid.h" - -const char *sti_layer_to_str(struct sti_layer *layer) -{ - switch (layer->desc) { - case STI_GDP_0: - return "GDP0"; - case STI_GDP_1: - return "GDP1"; - case STI_GDP_2: - return "GDP2"; - case STI_GDP_3: - return "GDP3"; - case STI_VID_0: - return "VID0"; - case STI_VID_1: - return "VID1"; - case STI_CURSOR: - return "CURSOR"; - case STI_HQVDP_0: - return "HQVDP0"; - default: - return "<UNKNOWN LAYER>"; - } -} -EXPORT_SYMBOL(sti_layer_to_str); - -struct sti_layer *sti_layer_create(struct device *dev, int desc, - void __iomem *baseaddr) -{ - - struct sti_layer *layer = NULL; - - switch (desc & STI_LAYER_TYPE_MASK) { - case STI_GDP: - layer = sti_gdp_create(dev, desc); - break; - case STI_VID: - layer = sti_vid_create(dev); - break; - case STI_CUR: - layer = sti_cursor_create(dev); - break; - case STI_VDP: - layer = sti_hqvdp_create(dev); - break; - } - - if (!layer) { - DRM_ERROR("Failed to create layer\n"); - return NULL; - } - - layer->desc = desc; - layer->dev = dev; - layer->regs = baseaddr; - - layer->ops->init(layer); - - DRM_DEBUG_DRIVER("%s created\n", sti_layer_to_str(layer)); - - return layer; -} -EXPORT_SYMBOL(sti_layer_create); - -int sti_layer_prepare(struct sti_layer *layer, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_display_mode *mode, int mixer_id, - int dest_x, int dest_y, int dest_w, int dest_h, - int src_x, int src_y, int src_w, int src_h) -{ - int ret; - unsigned int i; - struct drm_gem_cma_object *cma_obj; - - if (!layer || !fb || !mode) { - DRM_ERROR("Null fb, layer or mode\n"); - return 1; - } - - cma_obj = drm_fb_cma_get_gem_obj(fb, 0); - if (!cma_obj) { - DRM_ERROR("Can't get CMA GEM object for fb\n"); - return 1; - } - - layer->crtc = crtc; - layer->fb = fb; - layer->mode = mode; - layer->mixer_id = mixer_id; - layer->dst_x = dest_x; - layer->dst_y = dest_y; - layer->dst_w = clamp_val(dest_w, 0, mode->crtc_hdisplay - dest_x); - layer->dst_h = clamp_val(dest_h, 0, mode->crtc_vdisplay - dest_y); - layer->src_x = src_x; - layer->src_y = src_y; - layer->src_w = src_w; - layer->src_h = src_h; - layer->format = fb->pixel_format; - layer->vaddr = cma_obj->vaddr; - layer->paddr = cma_obj->paddr; - for (i = 0; i < 4; i++) { - layer->pitches[i] = fb->pitches[i]; - layer->offsets[i] = fb->offsets[i]; - } - - DRM_DEBUG_DRIVER("%s is associated with mixer_id %d\n", - sti_layer_to_str(layer), - layer->mixer_id); - DRM_DEBUG_DRIVER("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", - sti_layer_to_str(layer), - layer->dst_w, layer->dst_h, layer->dst_x, layer->dst_y, - layer->src_w, layer->src_h, layer->src_x, - layer->src_y); - - DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, - (char *)&layer->format, (unsigned long)layer->paddr); - - if (!layer->ops->prepare) - goto err_no_prepare; - - ret = layer->ops->prepare(layer, !layer->enabled); - if (!ret) - layer->enabled = true; - - return ret; - -err_no_prepare: - DRM_ERROR("Cannot prepare\n"); - return 1; -} - -int sti_layer_commit(struct sti_layer *layer) -{ - if (!layer) - return 1; - - if (!layer->ops->commit) - goto err_no_commit; - - return layer->ops->commit(layer); - -err_no_commit: - DRM_ERROR("Cannot commit\n"); - return 1; -} - -int sti_layer_disable(struct sti_layer *layer) -{ - int ret; - - DRM_DEBUG_DRIVER("%s\n", sti_layer_to_str(layer)); - if (!layer) - return 1; - - if (!layer->enabled) - return 0; - - if (!layer->ops->disable) - goto err_no_disable; - - ret = layer->ops->disable(layer); - if (!ret) - layer->enabled = false; - else - DRM_ERROR("Disable failed\n"); - - return ret; - -err_no_disable: - DRM_ERROR("Cannot disable\n"); - return 1; -} - -const uint32_t *sti_layer_get_formats(struct sti_layer *layer) -{ - if (!layer) - return NULL; - - if (!layer->ops->get_formats) - return NULL; - - return layer->ops->get_formats(layer); -} - -unsigned int sti_layer_get_nb_formats(struct sti_layer *layer) -{ - if (!layer) - return 0; - - if (!layer->ops->get_nb_formats) - return 0; - - return layer->ops->get_nb_formats(layer); -} diff --git a/drivers/gpu/drm/sti/sti_layer.h b/drivers/gpu/drm/sti/sti_layer.h deleted file mode 100644 index ceff497f557e..000000000000 --- a/drivers/gpu/drm/sti/sti_layer.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> - * Fabien Dessenne <fabien.dessenne@st.com> - * for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_LAYER_H_ -#define _STI_LAYER_H_ - -#include <drm/drmP.h> - -#define to_sti_layer(x) container_of(x, struct sti_layer, plane) - -#define STI_LAYER_TYPE_SHIFT 8 -#define STI_LAYER_TYPE_MASK (~((1<<STI_LAYER_TYPE_SHIFT)-1)) - -struct sti_layer; - -enum sti_layer_type { - STI_GDP = 1 << STI_LAYER_TYPE_SHIFT, - STI_VID = 2 << STI_LAYER_TYPE_SHIFT, - STI_CUR = 3 << STI_LAYER_TYPE_SHIFT, - STI_BCK = 4 << STI_LAYER_TYPE_SHIFT, - STI_VDP = 5 << STI_LAYER_TYPE_SHIFT -}; - -enum sti_layer_id_of_type { - STI_ID_0 = 0, - STI_ID_1 = 1, - STI_ID_2 = 2, - STI_ID_3 = 3 -}; - -enum sti_layer_desc { - STI_GDP_0 = STI_GDP | STI_ID_0, - STI_GDP_1 = STI_GDP | STI_ID_1, - STI_GDP_2 = STI_GDP | STI_ID_2, - STI_GDP_3 = STI_GDP | STI_ID_3, - STI_VID_0 = STI_VID | STI_ID_0, - STI_VID_1 = STI_VID | STI_ID_1, - STI_HQVDP_0 = STI_VDP | STI_ID_0, - STI_CURSOR = STI_CUR, - STI_BACK = STI_BCK -}; - -/** - * STI layer functions structure - * - * @get_formats: get layer supported formats - * @get_nb_formats: get number of format supported - * @init: initialize the layer - * @prepare: prepare layer before rendering - * @commit: set layer for rendering - * @disable: disable layer - */ -struct sti_layer_funcs { - const uint32_t* (*get_formats)(struct sti_layer *layer); - unsigned int (*get_nb_formats)(struct sti_layer *layer); - void (*init)(struct sti_layer *layer); - int (*prepare)(struct sti_layer *layer, bool first_prepare); - int (*commit)(struct sti_layer *layer); - int (*disable)(struct sti_layer *layer); -}; - -/** - * STI layer structure - * - * @plane: drm plane it is bound to (if any) - * @fb: drm fb it is bound to - * @crtc: crtc it is bound to - * @mode: display mode - * @desc: layer type & id - * @device: driver device - * @regs: layer registers - * @ops: layer functions - * @zorder: layer z-order - * @mixer_id: id of the mixer used to display the layer - * @enabled: to know if the layer is active or not - * @src_x src_y: coordinates of the input (fb) area - * @src_w src_h: size of the input (fb) area - * @dst_x dst_y: coordinates of the output (crtc) area - * @dst_w dst_h: size of the output (crtc) area - * @format: format - * @pitches: pitch of 'planes' (eg: Y, U, V) - * @offsets: offset of 'planes' - * @vaddr: virtual address of the input buffer - * @paddr: physical address of the input buffer - */ -struct sti_layer { - struct drm_plane plane; - struct drm_framebuffer *fb; - struct drm_crtc *crtc; - struct drm_display_mode *mode; - enum sti_layer_desc desc; - struct device *dev; - void __iomem *regs; - const struct sti_layer_funcs *ops; - int zorder; - int mixer_id; - bool enabled; - int src_x, src_y; - int src_w, src_h; - int dst_x, dst_y; - int dst_w, dst_h; - uint32_t format; - unsigned int pitches[4]; - unsigned int offsets[4]; - void *vaddr; - dma_addr_t paddr; -}; - -struct sti_layer *sti_layer_create(struct device *dev, int desc, - void __iomem *baseaddr); -int sti_layer_prepare(struct sti_layer *layer, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_display_mode *mode, - int mixer_id, - int dest_x, int dest_y, - int dest_w, int dest_h, - int src_x, int src_y, - int src_w, int src_h); -int sti_layer_commit(struct sti_layer *layer); -int sti_layer_disable(struct sti_layer *layer); -const uint32_t *sti_layer_get_formats(struct sti_layer *layer); -unsigned int sti_layer_get_nb_formats(struct sti_layer *layer); -const char *sti_layer_to_str(struct sti_layer *layer); - -#endif diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c index 13a4b84deab6..0182e9365004 100644 --- a/drivers/gpu/drm/sti/sti_mixer.c +++ b/drivers/gpu/drm/sti/sti_mixer.c @@ -58,6 +58,7 @@ const char *sti_mixer_to_str(struct sti_mixer *mixer) return "<UNKNOWN MIXER>"; } } +EXPORT_SYMBOL(sti_mixer_to_str); static inline u32 sti_mixer_reg_read(struct sti_mixer *mixer, u32 reg_id) { @@ -101,52 +102,57 @@ static void sti_mixer_set_background_area(struct sti_mixer *mixer, sti_mixer_reg_write(mixer, GAM_MIXER_BCS, yds << 16 | xds); } -int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer) +int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane) { - int layer_id = 0, depth = layer->zorder; + int plane_id, depth = plane->zorder; + unsigned int i; u32 mask, val; - if (depth >= GAM_MIXER_NB_DEPTH_LEVEL) + if ((depth < 1) || (depth > GAM_MIXER_NB_DEPTH_LEVEL)) return 1; - switch (layer->desc) { + switch (plane->desc) { case STI_GDP_0: - layer_id = GAM_DEPTH_GDP0_ID; + plane_id = GAM_DEPTH_GDP0_ID; break; case STI_GDP_1: - layer_id = GAM_DEPTH_GDP1_ID; + plane_id = GAM_DEPTH_GDP1_ID; break; case STI_GDP_2: - layer_id = GAM_DEPTH_GDP2_ID; + plane_id = GAM_DEPTH_GDP2_ID; break; case STI_GDP_3: - layer_id = GAM_DEPTH_GDP3_ID; + plane_id = GAM_DEPTH_GDP3_ID; break; - case STI_VID_0: case STI_HQVDP_0: - layer_id = GAM_DEPTH_VID0_ID; - break; - case STI_VID_1: - layer_id = GAM_DEPTH_VID1_ID; + plane_id = GAM_DEPTH_VID0_ID; break; case STI_CURSOR: /* no need to set depth for cursor */ return 0; default: - DRM_ERROR("Unknown layer %d\n", layer->desc); + DRM_ERROR("Unknown plane %d\n", plane->desc); return 1; } - mask = GAM_DEPTH_MASK_ID << (3 * depth); - layer_id = layer_id << (3 * depth); + + /* Search if a previous depth was already assigned to the plane */ + val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB); + for (i = 0; i < GAM_MIXER_NB_DEPTH_LEVEL; i++) { + mask = GAM_DEPTH_MASK_ID << (3 * i); + if ((val & mask) == plane_id << (3 * i)) + break; + } + + mask |= GAM_DEPTH_MASK_ID << (3 * (depth - 1)); + plane_id = plane_id << (3 * (depth - 1)); DRM_DEBUG_DRIVER("%s %s depth=%d\n", sti_mixer_to_str(mixer), - sti_layer_to_str(layer), depth); + sti_plane_to_str(plane), depth); dev_dbg(mixer->dev, "GAM_MIXER_CRB val 0x%x mask 0x%x\n", - layer_id, mask); + plane_id, mask); - val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB); val &= ~mask; - val |= layer_id; + val |= plane_id; sti_mixer_reg_write(mixer, GAM_MIXER_CRB, val); dev_dbg(mixer->dev, "Read GAM_MIXER_CRB 0x%x\n", @@ -176,9 +182,9 @@ int sti_mixer_active_video_area(struct sti_mixer *mixer, return 0; } -static u32 sti_mixer_get_layer_mask(struct sti_layer *layer) +static u32 sti_mixer_get_plane_mask(struct sti_plane *plane) { - switch (layer->desc) { + switch (plane->desc) { case STI_BACK: return GAM_CTL_BACK_MASK; case STI_GDP_0: @@ -189,11 +195,8 @@ static u32 sti_mixer_get_layer_mask(struct sti_layer *layer) return GAM_CTL_GDP2_MASK; case STI_GDP_3: return GAM_CTL_GDP3_MASK; - case STI_VID_0: case STI_HQVDP_0: return GAM_CTL_VID0_MASK; - case STI_VID_1: - return GAM_CTL_VID1_MASK; case STI_CURSOR: return GAM_CTL_CURSOR_MASK; default: @@ -201,17 +204,17 @@ static u32 sti_mixer_get_layer_mask(struct sti_layer *layer) } } -int sti_mixer_set_layer_status(struct sti_mixer *mixer, - struct sti_layer *layer, bool status) +int sti_mixer_set_plane_status(struct sti_mixer *mixer, + struct sti_plane *plane, bool status) { u32 mask, val; DRM_DEBUG_DRIVER("%s %s %s\n", status ? "enable" : "disable", - sti_mixer_to_str(mixer), sti_layer_to_str(layer)); + sti_mixer_to_str(mixer), sti_plane_to_str(plane)); - mask = sti_mixer_get_layer_mask(layer); + mask = sti_mixer_get_plane_mask(plane); if (!mask) { - DRM_ERROR("Can not find layer mask\n"); + DRM_ERROR("Can't find layer mask\n"); return -EINVAL; } @@ -223,15 +226,6 @@ int sti_mixer_set_layer_status(struct sti_mixer *mixer, return 0; } -void sti_mixer_clear_all_layers(struct sti_mixer *mixer) -{ - u32 val; - - DRM_DEBUG_DRIVER("%s clear all layer\n", sti_mixer_to_str(mixer)); - val = sti_mixer_reg_read(mixer, GAM_MIXER_CTL) & 0xFFFF0000; - sti_mixer_reg_write(mixer, GAM_MIXER_CTL, val); -} - void sti_mixer_set_matrix(struct sti_mixer *mixer) { unsigned int i; diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h index b97282182908..efb1a9a5ba86 100644 --- a/drivers/gpu/drm/sti/sti_mixer.h +++ b/drivers/gpu/drm/sti/sti_mixer.h @@ -11,10 +11,16 @@ #include <drm/drmP.h> -#include "sti_layer.h" +#include "sti_plane.h" #define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc) +enum sti_mixer_status { + STI_MIXER_READY, + STI_MIXER_DISABLING, + STI_MIXER_DISABLED, +}; + /** * STI Mixer subdevice structure * @@ -23,33 +29,32 @@ * @id: id of the mixer * @drm_crtc: crtc object link to the mixer * @pending_event: set if a flip event is pending on crtc - * @enabled: to know if the mixer is active or not + * @status: to know the status of the mixer */ struct sti_mixer { struct device *dev; void __iomem *regs; int id; - struct drm_crtc drm_crtc; + struct drm_crtc drm_crtc; struct drm_pending_vblank_event *pending_event; - bool enabled; + enum sti_mixer_status status; }; const char *sti_mixer_to_str(struct sti_mixer *mixer); struct sti_mixer *sti_mixer_create(struct device *dev, int id, - void __iomem *baseaddr); + void __iomem *baseaddr); -int sti_mixer_set_layer_status(struct sti_mixer *mixer, - struct sti_layer *layer, bool status); -void sti_mixer_clear_all_layers(struct sti_mixer *mixer); -int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer); +int sti_mixer_set_plane_status(struct sti_mixer *mixer, + struct sti_plane *plane, bool status); +int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane); int sti_mixer_active_video_area(struct sti_mixer *mixer, - struct drm_display_mode *mode); + struct drm_display_mode *mode); void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable); /* depth in Cross-bar control = z order */ -#define GAM_MIXER_NB_DEPTH_LEVEL 7 +#define GAM_MIXER_NB_DEPTH_LEVEL 6 #define STI_MIXER_MAIN 0 #define STI_MIXER_AUX 1 diff --git a/drivers/gpu/drm/sti/sti_plane.c b/drivers/gpu/drm/sti/sti_plane.c new file mode 100644 index 000000000000..d5c5e91f2956 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_plane.c @@ -0,0 +1,122 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> + * Fabien Dessenne <fabien.dessenne@st.com> + * for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#include <drm/drmP.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> + +#include "sti_compositor.h" +#include "sti_drv.h" +#include "sti_plane.h" + +/* (Background) < GDP0 < GDP1 < HQVDP0 < GDP2 < GDP3 < (ForeGround) */ +enum sti_plane_desc sti_plane_default_zorder[] = { + STI_GDP_0, + STI_GDP_1, + STI_HQVDP_0, + STI_GDP_2, + STI_GDP_3, +}; + +const char *sti_plane_to_str(struct sti_plane *plane) +{ + switch (plane->desc) { + case STI_GDP_0: + return "GDP0"; + case STI_GDP_1: + return "GDP1"; + case STI_GDP_2: + return "GDP2"; + case STI_GDP_3: + return "GDP3"; + case STI_HQVDP_0: + return "HQVDP0"; + case STI_CURSOR: + return "CURSOR"; + default: + return "<UNKNOWN PLANE>"; + } +} +EXPORT_SYMBOL(sti_plane_to_str); + +static void sti_plane_destroy(struct drm_plane *drm_plane) +{ + DRM_DEBUG_DRIVER("\n"); + + drm_plane_helper_disable(drm_plane); + drm_plane_cleanup(drm_plane); +} + +static int sti_plane_set_property(struct drm_plane *drm_plane, + struct drm_property *property, + uint64_t val) +{ + struct drm_device *dev = drm_plane->dev; + struct sti_private *private = dev->dev_private; + struct sti_plane *plane = to_sti_plane(drm_plane); + + DRM_DEBUG_DRIVER("\n"); + + if (property == private->plane_zorder_property) { + plane->zorder = val; + return 0; + } + + return -EINVAL; +} + +static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane) +{ + struct drm_device *dev = drm_plane->dev; + struct sti_private *private = dev->dev_private; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct drm_property *prop; + + prop = private->plane_zorder_property; + if (!prop) { + prop = drm_property_create_range(dev, 0, "zpos", 1, + GAM_MIXER_NB_DEPTH_LEVEL); + if (!prop) + return; + + private->plane_zorder_property = prop; + } + + drm_object_attach_property(&drm_plane->base, prop, plane->zorder); +} + +void sti_plane_init_property(struct sti_plane *plane, + enum drm_plane_type type) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sti_plane_default_zorder); i++) + if (sti_plane_default_zorder[i] == plane->desc) + break; + + plane->zorder = i + 1; + + if (type == DRM_PLANE_TYPE_OVERLAY) + sti_plane_attach_zorder_property(&plane->drm_plane); + + DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%d\n", + plane->drm_plane.base.id, + sti_plane_to_str(plane), plane->zorder); +} +EXPORT_SYMBOL(sti_plane_init_property); + +struct drm_plane_funcs sti_plane_helpers_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = sti_plane_destroy, + .set_property = sti_plane_set_property, + .reset = drm_atomic_helper_plane_reset, + .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, +}; +EXPORT_SYMBOL(sti_plane_helpers_funcs); diff --git a/drivers/gpu/drm/sti/sti_plane.h b/drivers/gpu/drm/sti/sti_plane.h new file mode 100644 index 000000000000..86f1e6fc81b9 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_plane.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#ifndef _STI_PLANE_H_ +#define _STI_PLANE_H_ + +#include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_plane_helper.h> + +extern struct drm_plane_funcs sti_plane_helpers_funcs; + +#define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane) + +#define STI_PLANE_TYPE_SHIFT 8 +#define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1)) + +enum sti_plane_type { + STI_GDP = 1 << STI_PLANE_TYPE_SHIFT, + STI_VDP = 2 << STI_PLANE_TYPE_SHIFT, + STI_CUR = 3 << STI_PLANE_TYPE_SHIFT, + STI_BCK = 4 << STI_PLANE_TYPE_SHIFT +}; + +enum sti_plane_id_of_type { + STI_ID_0 = 0, + STI_ID_1 = 1, + STI_ID_2 = 2, + STI_ID_3 = 3 +}; + +enum sti_plane_desc { + STI_GDP_0 = STI_GDP | STI_ID_0, + STI_GDP_1 = STI_GDP | STI_ID_1, + STI_GDP_2 = STI_GDP | STI_ID_2, + STI_GDP_3 = STI_GDP | STI_ID_3, + STI_HQVDP_0 = STI_VDP | STI_ID_0, + STI_CURSOR = STI_CUR, + STI_BACK = STI_BCK +}; + +enum sti_plane_status { + STI_PLANE_READY, + STI_PLANE_UPDATED, + STI_PLANE_DISABLING, + STI_PLANE_FLUSHING, + STI_PLANE_DISABLED, +}; + +/** + * STI plane structure + * + * @plane: drm plane it is bound to (if any) + * @desc: plane type & id + * @status: to know the status of the plane + * @zorder: plane z-order + */ +struct sti_plane { + struct drm_plane drm_plane; + enum sti_plane_desc desc; + enum sti_plane_status status; + int zorder; +}; + +const char *sti_plane_to_str(struct sti_plane *plane); +void sti_plane_init_property(struct sti_plane *plane, + enum drm_plane_type type); +#endif diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c index 5cc53116508e..c1aac8e66fb5 100644 --- a/drivers/gpu/drm/sti/sti_tvout.c +++ b/drivers/gpu/drm/sti/sti_tvout.c @@ -16,7 +16,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> -#include "sti_drm_crtc.h" +#include "sti_crtc.h" /* glue registers */ #define TVO_CSC_MAIN_M0 0x000 @@ -473,7 +473,7 @@ static void sti_dvo_encoder_commit(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); - tvout_dvo_start(tvout, sti_drm_crtc_is_main(encoder->crtc)); + tvout_dvo_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_dvo_encoder_disable(struct drm_encoder *encoder) @@ -523,7 +523,7 @@ static void sti_hda_encoder_commit(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); - tvout_hda_start(tvout, sti_drm_crtc_is_main(encoder->crtc)); + tvout_hda_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_hda_encoder_disable(struct drm_encoder *encoder) @@ -575,7 +575,7 @@ static void sti_hdmi_encoder_commit(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); - tvout_hdmi_start(tvout, sti_drm_crtc_is_main(encoder->crtc)); + tvout_hdmi_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_hdmi_encoder_disable(struct drm_encoder *encoder) @@ -644,7 +644,6 @@ static int sti_tvout_bind(struct device *dev, struct device *master, void *data) struct sti_tvout *tvout = dev_get_drvdata(dev); struct drm_device *drm_dev = data; unsigned int i; - int ret; tvout->drm_dev = drm_dev; @@ -658,17 +657,15 @@ static int sti_tvout_bind(struct device *dev, struct device *master, void *data) sti_tvout_create_encoders(drm_dev, tvout); - ret = component_bind_all(dev, drm_dev); - if (ret) - sti_tvout_destroy_encoders(tvout); - - return ret; + return 0; } static void sti_tvout_unbind(struct device *dev, struct device *master, void *data) { - /* do nothing */ + struct sti_tvout *tvout = dev_get_drvdata(dev); + + sti_tvout_destroy_encoders(tvout); } static const struct component_ops sti_tvout_ops = { @@ -676,34 +673,12 @@ static const struct component_ops sti_tvout_ops = { .unbind = sti_tvout_unbind, }; -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node == data; -} - -static int sti_tvout_master_bind(struct device *dev) -{ - return 0; -} - -static void sti_tvout_master_unbind(struct device *dev) -{ - /* do nothing */ -} - -static const struct component_master_ops sti_tvout_master_ops = { - .bind = sti_tvout_master_bind, - .unbind = sti_tvout_master_unbind, -}; - static int sti_tvout_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; struct sti_tvout *tvout; struct resource *res; - struct device_node *child_np; - struct component_match *match = NULL; DRM_INFO("%s\n", __func__); @@ -734,24 +709,11 @@ static int sti_tvout_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tvout); - of_platform_populate(node, NULL, NULL, dev); - - child_np = of_get_next_available_child(node, NULL); - - while (child_np) { - component_match_add(dev, &match, compare_of, child_np); - of_node_put(child_np); - child_np = of_get_next_available_child(node, child_np); - } - - component_master_add_with_match(dev, &sti_tvout_master_ops, match); - return component_add(dev, &sti_tvout_ops); } static int sti_tvout_remove(struct platform_device *pdev) { - component_master_del(&pdev->dev, &sti_tvout_master_ops); component_del(&pdev->dev, &sti_tvout_ops); return 0; } diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c index 10ced6a479f4..a8254cc362a1 100644 --- a/drivers/gpu/drm/sti/sti_vid.c +++ b/drivers/gpu/drm/sti/sti_vid.c @@ -6,7 +6,7 @@ #include <drm/drmP.h> -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vid.h" #include "sti_vtg.h" @@ -43,35 +43,37 @@ #define VID_MPR2_BT709 0x07150545 #define VID_MPR3_BT709 0x00000AE8 -static int sti_vid_prepare_layer(struct sti_layer *vid, bool first_prepare) +void sti_vid_commit(struct sti_vid *vid, + struct drm_plane_state *state) { - u32 val; + struct drm_crtc *crtc = state->crtc; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + u32 val, ydo, xdo, yds, xds; + + /* Input / output size + * Align to upper even value */ + dst_w = ALIGN(dst_w, 2); + dst_h = ALIGN(dst_h, 2); /* Unmask */ val = readl(vid->regs + VID_CTL); val &= ~VID_CTL_IGNORE; writel(val, vid->regs + VID_CTL); - return 0; -} - -static int sti_vid_commit_layer(struct sti_layer *vid) -{ - struct drm_display_mode *mode = vid->mode; - u32 ydo, xdo, yds, xds; - - ydo = sti_vtg_get_line_number(*mode, vid->dst_y); - yds = sti_vtg_get_line_number(*mode, vid->dst_y + vid->dst_h - 1); - xdo = sti_vtg_get_pixel_number(*mode, vid->dst_x); - xds = sti_vtg_get_pixel_number(*mode, vid->dst_x + vid->dst_w - 1); + ydo = sti_vtg_get_line_number(*mode, dst_y); + yds = sti_vtg_get_line_number(*mode, dst_y + dst_h - 1); + xdo = sti_vtg_get_pixel_number(*mode, dst_x); + xds = sti_vtg_get_pixel_number(*mode, dst_x + dst_w - 1); writel((ydo << 16) | xdo, vid->regs + VID_VPO); writel((yds << 16) | xds, vid->regs + VID_VPS); - - return 0; } -static int sti_vid_disable_layer(struct sti_layer *vid) +void sti_vid_disable(struct sti_vid *vid) { u32 val; @@ -79,21 +81,9 @@ static int sti_vid_disable_layer(struct sti_layer *vid) val = readl(vid->regs + VID_CTL); val |= VID_CTL_IGNORE; writel(val, vid->regs + VID_CTL); - - return 0; } -static const uint32_t *sti_vid_get_formats(struct sti_layer *layer) -{ - return NULL; -} - -static unsigned int sti_vid_get_nb_formats(struct sti_layer *layer) -{ - return 0; -} - -static void sti_vid_init(struct sti_layer *vid) +static void sti_vid_init(struct sti_vid *vid) { /* Enable PSI, Mask layer */ writel(VID_CTL_PSI_ENABLE | VID_CTL_IGNORE, vid->regs + VID_CTL); @@ -113,18 +103,10 @@ static void sti_vid_init(struct sti_layer *vid) writel(VID_CSAT_DFLT, vid->regs + VID_CSAT); } -static const struct sti_layer_funcs vid_ops = { - .get_formats = sti_vid_get_formats, - .get_nb_formats = sti_vid_get_nb_formats, - .init = sti_vid_init, - .prepare = sti_vid_prepare_layer, - .commit = sti_vid_commit_layer, - .disable = sti_vid_disable_layer, -}; - -struct sti_layer *sti_vid_create(struct device *dev) +struct sti_vid *sti_vid_create(struct device *dev, int id, + void __iomem *baseaddr) { - struct sti_layer *vid; + struct sti_vid *vid; vid = devm_kzalloc(dev, sizeof(*vid), GFP_KERNEL); if (!vid) { @@ -132,7 +114,11 @@ struct sti_layer *sti_vid_create(struct device *dev) return NULL; } - vid->ops = &vid_ops; + vid->dev = dev; + vid->regs = baseaddr; + vid->id = id; + + sti_vid_init(vid); return vid; } diff --git a/drivers/gpu/drm/sti/sti_vid.h b/drivers/gpu/drm/sti/sti_vid.h index 2c0aecd63294..5dea4791f1d6 100644 --- a/drivers/gpu/drm/sti/sti_vid.h +++ b/drivers/gpu/drm/sti/sti_vid.h @@ -7,6 +7,23 @@ #ifndef _STI_VID_H_ #define _STI_VID_H_ -struct sti_layer *sti_vid_create(struct device *dev); +/** + * STI VID structure + * + * @dev: driver device + * @regs: vid registers + * @id: id of the vid + */ +struct sti_vid { + struct device *dev; + void __iomem *regs; + int id; +}; + +void sti_vid_commit(struct sti_vid *vid, + struct drm_plane_state *state); +void sti_vid_disable(struct sti_vid *vid); +struct sti_vid *sti_vid_create(struct device *dev, int id, + void __iomem *baseaddr); #endif diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index a287e4fec865..bf8ef3133e5b 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1277,7 +1277,8 @@ static int tegra_crtc_atomic_check(struct drm_crtc *crtc, return 0; } -static void tegra_crtc_atomic_begin(struct drm_crtc *crtc) +static void tegra_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct tegra_dc *dc = to_tegra_dc(crtc); @@ -1291,7 +1292,8 @@ static void tegra_crtc_atomic_begin(struct drm_crtc *crtc) } } -static void tegra_crtc_atomic_flush(struct drm_crtc *crtc) +static void tegra_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct tegra_dc_state *state = to_dc_state(crtc->state); struct tegra_dc *dc = to_tegra_dc(crtc); diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index ed970f622903..dc97c0b3681d 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -726,8 +726,9 @@ static void tegra_dsi_soft_reset(struct tegra_dsi *dsi) tegra_dsi_soft_reset(dsi->slave); } -static void tegra_dsi_connector_dpms(struct drm_connector *connector, int mode) +static int tegra_dsi_connector_dpms(struct drm_connector *connector, int mode) { + return 0; } static void tegra_dsi_connector_reset(struct drm_connector *connector) diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index 397fb34d5d5b..07c844b746b4 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -184,9 +184,9 @@ unreference: #ifdef CONFIG_DRM_TEGRA_FBDEV static struct fb_ops tegra_fb_ops = { .owner = THIS_MODULE, - .fb_fillrect = sys_fillrect, - .fb_copyarea = sys_copyarea, - .fb_imageblit = sys_imageblit, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_blank = drm_fb_helper_blank, @@ -224,11 +224,11 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, if (IS_ERR(bo)) return PTR_ERR(bo); - info = framebuffer_alloc(0, drm->dev); - if (!info) { + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { dev_err(drm->dev, "failed to allocate framebuffer info\n"); drm_gem_object_unreference_unlocked(&bo->gem); - return -ENOMEM; + return PTR_ERR(info); } fbdev->fb = tegra_fb_alloc(drm, &cmd, &bo, 1); @@ -248,12 +248,6 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, info->flags = FBINFO_FLAG_DEFAULT; info->fbops = &tegra_fb_ops; - err = fb_alloc_cmap(&info->cmap, 256, 0); - if (err < 0) { - dev_err(drm->dev, "failed to allocate color map: %d\n", err); - goto destroy; - } - drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, helper, fb->width, fb->height); @@ -282,7 +276,7 @@ destroy: drm_framebuffer_unregister_private(fb); tegra_fb_destroy(fb); release: - framebuffer_release(info); + drm_fb_helper_release_fbi(helper); return err; } @@ -347,20 +341,9 @@ fini: static void tegra_fbdev_exit(struct tegra_fbdev *fbdev) { - struct fb_info *info = fbdev->base.fbdev; - - if (info) { - int err; - err = unregister_framebuffer(info); - if (err < 0) - DRM_DEBUG_KMS("failed to unregister framebuffer\n"); - - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&fbdev->base); + drm_fb_helper_release_fbi(&fbdev->base); if (fbdev->fb) { drm_framebuffer_unregister_private(&fbdev->fb->base); diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 06ab1783bba1..fe4008a7ddba 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -772,9 +772,10 @@ static bool tegra_output_is_hdmi(struct tegra_output *output) return drm_detect_hdmi_monitor(edid); } -static void tegra_hdmi_connector_dpms(struct drm_connector *connector, - int mode) +static int tegra_hdmi_connector_dpms(struct drm_connector *connector, + int mode) { + return 0; } static const struct drm_connector_funcs tegra_hdmi_connector_funcs = { diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 7cd833f5b5b5..9a99d213e1b1 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -88,9 +88,10 @@ static void tegra_dc_write_regs(struct tegra_dc *dc, tegra_dc_writel(dc, table[i].value, table[i].offset); } -static void tegra_rgb_connector_dpms(struct drm_connector *connector, - int mode) +static int tegra_rgb_connector_dpms(struct drm_connector *connector, + int mode) { + return 0; } static const struct drm_connector_funcs tegra_rgb_connector_funcs = { diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 7591d8901f9a..ee8ad0d4a0f2 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -866,8 +866,9 @@ static void tegra_sor_debugfs_exit(struct tegra_sor *sor) sor->debugfs_files = NULL; } -static void tegra_sor_connector_dpms(struct drm_connector *connector, int mode) +static int tegra_sor_connector_dpms(struct drm_connector *connector, int mode) { + return 0; } static enum drm_connector_status diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index bf080abc86d1..4e19d0f9cc30 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -340,7 +340,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage) swap_storage = shmem_file_setup("ttm swap", ttm->num_pages << PAGE_SHIFT, 0); - if (unlikely(IS_ERR(swap_storage))) { + if (IS_ERR(swap_storage)) { pr_err("Failed allocating swap storage\n"); return PTR_ERR(swap_storage); } @@ -354,7 +354,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage) if (unlikely(from_page == NULL)) continue; to_page = shmem_read_mapping_page(swap_space, i); - if (unlikely(IS_ERR(to_page))) { + if (IS_ERR(to_page)) { ret = PTR_ERR(to_page); goto out_err; } diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 5fc16cecd3ba..62c7b1dafaa4 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -288,7 +288,7 @@ static void udl_fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect { struct udl_fbdev *ufbdev = info->par; - sys_fillrect(info, rect); + drm_fb_helper_sys_fillrect(info, rect); udl_handle_damage(&ufbdev->ufb, rect->dx, rect->dy, rect->width, rect->height); @@ -298,7 +298,7 @@ static void udl_fb_copyarea(struct fb_info *info, const struct fb_copyarea *regi { struct udl_fbdev *ufbdev = info->par; - sys_copyarea(info, region); + drm_fb_helper_sys_copyarea(info, region); udl_handle_damage(&ufbdev->ufb, region->dx, region->dy, region->width, region->height); @@ -308,7 +308,7 @@ static void udl_fb_imageblit(struct fb_info *info, const struct fb_image *image) { struct udl_fbdev *ufbdev = info->par; - sys_imageblit(info, image); + drm_fb_helper_sys_imageblit(info, image); udl_handle_damage(&ufbdev->ufb, image->dx, image->dy, image->width, image->height); @@ -476,7 +476,6 @@ static int udlfb_create(struct drm_fb_helper *helper, container_of(helper, struct udl_fbdev, helper); struct drm_device *dev = ufbdev->helper.dev; struct fb_info *info; - struct device *device = dev->dev; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd; struct udl_gem_object *obj; @@ -506,21 +505,20 @@ static int udlfb_create(struct drm_fb_helper *helper, goto out_gfree; } - info = framebuffer_alloc(0, device); - if (!info) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto out_gfree; } info->par = ufbdev; ret = udl_framebuffer_init(dev, &ufbdev->ufb, &mode_cmd, obj); if (ret) - goto out_gfree; + goto out_destroy_fbi; fb = &ufbdev->ufb.base; ufbdev->helper.fb = fb; - ufbdev->helper.fbdev = info; strcpy(info->fix.id, "udldrmfb"); @@ -533,18 +531,13 @@ static int udlfb_create(struct drm_fb_helper *helper, drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &ufbdev->helper, sizes->fb_width, sizes->fb_height); - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_gfree; - } - - DRM_DEBUG_KMS("allocated %dx%d vmal %p\n", fb->width, fb->height, ufbdev->ufb.obj->vmapping); return ret; +out_destroy_fbi: + drm_fb_helper_release_fbi(helper); out_gfree: drm_gem_object_unreference(&ufbdev->ufb.obj->base); out: @@ -558,14 +551,8 @@ static const struct drm_fb_helper_funcs udl_fb_helper_funcs = { static void udl_fbdev_destroy(struct drm_device *dev, struct udl_fbdev *ufbdev) { - struct fb_info *info; - if (ufbdev->helper.fbdev) { - info = ufbdev->helper.fbdev; - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } + drm_fb_helper_unregister_fbi(&ufbdev->helper); + drm_fb_helper_release_fbi(&ufbdev->helper); drm_fb_helper_fini(&ufbdev->helper); drm_framebuffer_unregister_private(&ufbdev->ufb.base); drm_framebuffer_cleanup(&ufbdev->ufb.base); @@ -631,11 +618,7 @@ void udl_fbdev_unplug(struct drm_device *dev) return; ufbdev = udl->fbdev; - if (ufbdev->helper.fbdev) { - struct fb_info *info; - info = ufbdev->helper.fbdev; - unlink_framebuffer(info); - } + drm_fb_helper_unlink_fbi(&ufbdev->helper); } struct drm_framebuffer * diff --git a/drivers/gpu/drm/virtio/virtgpu_fb.c b/drivers/gpu/drm/virtio/virtgpu_fb.c index df198d9e770c..6a81e084593b 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fb.c +++ b/drivers/gpu/drm/virtio/virtgpu_fb.c @@ -173,7 +173,7 @@ static void virtio_gpu_3d_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct virtio_gpu_fbdev *vfbdev = info->par; - sys_fillrect(info, rect); + drm_fb_helper_sys_fillrect(info, rect); virtio_gpu_dirty_update(&vfbdev->vgfb, true, rect->dx, rect->dy, rect->width, rect->height); schedule_delayed_work(&vfbdev->work, VIRTIO_GPU_FBCON_POLL_PERIOD); @@ -183,7 +183,7 @@ static void virtio_gpu_3d_copyarea(struct fb_info *info, const struct fb_copyarea *area) { struct virtio_gpu_fbdev *vfbdev = info->par; - sys_copyarea(info, area); + drm_fb_helper_sys_copyarea(info, area); virtio_gpu_dirty_update(&vfbdev->vgfb, true, area->dx, area->dy, area->width, area->height); schedule_delayed_work(&vfbdev->work, VIRTIO_GPU_FBCON_POLL_PERIOD); @@ -193,7 +193,7 @@ static void virtio_gpu_3d_imageblit(struct fb_info *info, const struct fb_image *image) { struct virtio_gpu_fbdev *vfbdev = info->par; - sys_imageblit(info, image); + drm_fb_helper_sys_imageblit(info, image); virtio_gpu_dirty_update(&vfbdev->vgfb, true, image->dx, image->dy, image->width, image->height); schedule_delayed_work(&vfbdev->work, VIRTIO_GPU_FBCON_POLL_PERIOD); @@ -230,7 +230,6 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd = {}; struct virtio_gpu_object *obj; - struct device *device = vgdev->dev; uint32_t resid, format, size; int ret; @@ -317,18 +316,12 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, if (ret) goto err_obj_attach; - info = framebuffer_alloc(0, device); - if (!info) { - ret = -ENOMEM; + info = drm_fb_helper_alloc_fbi(helper); + if (IS_ERR(info)) { + ret = PTR_ERR(info); goto err_fb_alloc; } - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto err_fb_alloc_cmap; - } - info->par = helper; ret = virtio_gpu_framebuffer_init(dev, &vfbdev->vgfb, @@ -339,7 +332,6 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, fb = &vfbdev->vgfb.base; vfbdev->helper.fb = fb; - vfbdev->helper.fbdev = info; strcpy(info->fix.id, "virtiodrmfb"); info->flags = FBINFO_DEFAULT; @@ -357,9 +349,7 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, return 0; err_fb_init: - fb_dealloc_cmap(&info->cmap); -err_fb_alloc_cmap: - framebuffer_release(info); + drm_fb_helper_release_fbi(helper); err_fb_alloc: virtio_gpu_cmd_resource_inval_backing(vgdev, resid); err_obj_attach: @@ -371,15 +361,11 @@ err_obj_vmap: static int virtio_gpu_fbdev_destroy(struct drm_device *dev, struct virtio_gpu_fbdev *vgfbdev) { - struct fb_info *info; struct virtio_gpu_framebuffer *vgfb = &vgfbdev->vgfb; - if (vgfbdev->helper.fbdev) { - info = vgfbdev->helper.fbdev; + drm_fb_helper_unregister_fbi(&vgfbdev->helper); + drm_fb_helper_release_fbi(&vgfbdev->helper); - unregister_framebuffer(info); - framebuffer_release(info); - } if (vgfb->obj) vgfb->obj = NULL; drm_fb_helper_fini(&vgfbdev->helper); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c index 5ac92874404d..44e6ecba3de7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c @@ -159,7 +159,7 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv, if (dev_priv->has_mob) { uctx->man = vmw_cmdbuf_res_man_create(dev_priv); - if (unlikely(IS_ERR(uctx->man))) { + if (IS_ERR(uctx->man)) { ret = PTR_ERR(uctx->man); uctx->man = NULL; goto out_err; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 620bb5cf617c..6218a36cf01a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1054,7 +1054,7 @@ static long vmw_generic_ioctl(struct file *filp, unsigned int cmd, return -EINVAL; vmaster = vmw_master_check(dev, file_priv, flags); - if (unlikely(IS_ERR(vmaster))) { + if (IS_ERR(vmaster)) { ret = PTR_ERR(vmaster); if (ret != -ERESTARTSYS) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 07cda8cbbddb..2adc11bc0920 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1808,8 +1808,9 @@ void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, } } -void vmw_du_connector_dpms(struct drm_connector *connector, int mode) +int vmw_du_connector_dpms(struct drm_connector *connector, int mode) { + return 0; } void vmw_du_connector_save(struct drm_connector *connector) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index 8d038c36bd57..f1a324cfb4c3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -133,7 +133,7 @@ void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, uint32_t width, uint32_t height); int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); -void vmw_du_connector_dpms(struct drm_connector *connector, int mode); +int vmw_du_connector_dpms(struct drm_connector *connector, int mode); void vmw_du_connector_save(struct drm_connector *connector); void vmw_du_connector_restore(struct drm_connector *connector); enum drm_connector_status diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index 37ac7b5dbd06..21060668fd25 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -6,17 +6,19 @@ * Licensed under GPLv2 * * vga_switcheroo.c - Support for laptop with dual GPU using one set of outputs - - Switcher interface - methods require for ATPX and DCM - - switchto - this throws the output MUX switch - - discrete_set_power - sets the power state for the discrete card - - GPU driver interface - - set_gpu_state - this should do the equiv of s/r for the card - - this should *not* set the discrete power state - - switch_check - check if the device is in a position to switch now + * + * Switcher interface - methods require for ATPX and DCM + * - switchto - this throws the output MUX switch + * - discrete_set_power - sets the power state for the discrete card + * + * GPU driver interface + * - set_gpu_state - this should do the equiv of s/r for the card + * - this should *not* set the discrete power state + * - switch_check - check if the device is in a position to switch now */ +#define pr_fmt(fmt) "vga_switcheroo: " fmt + #include <linux/module.h> #include <linux/seq_file.h> #include <linux/uaccess.h> @@ -111,7 +113,7 @@ int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) vgasr_priv.handler = handler; if (vga_switcheroo_ready()) { - printk(KERN_INFO "vga_switcheroo: enabled\n"); + pr_info("enabled\n"); vga_switcheroo_enable(); } mutex_unlock(&vgasr_mutex); @@ -124,7 +126,7 @@ void vga_switcheroo_unregister_handler(void) mutex_lock(&vgasr_mutex); vgasr_priv.handler = NULL; if (vgasr_priv.active) { - pr_info("vga_switcheroo: disabled\n"); + pr_info("disabled\n"); vga_switcheroo_debugfs_fini(&vgasr_priv); vgasr_priv.active = false; } @@ -155,7 +157,7 @@ static int register_client(struct pci_dev *pdev, vgasr_priv.registered_clients++; if (vga_switcheroo_ready()) { - printk(KERN_INFO "vga_switcheroo: enabled\n"); + pr_info("enabled\n"); vga_switcheroo_enable(); } mutex_unlock(&vgasr_mutex); @@ -167,7 +169,8 @@ int vga_switcheroo_register_client(struct pci_dev *pdev, bool driver_power_control) { return register_client(pdev, ops, -1, - pdev == vga_default_device(), driver_power_control); + pdev == vga_default_device(), + driver_power_control); } EXPORT_SYMBOL(vga_switcheroo_register_client); @@ -183,6 +186,7 @@ static struct vga_switcheroo_client * find_client_from_pci(struct list_head *head, struct pci_dev *pdev) { struct vga_switcheroo_client *client; + list_for_each_entry(client, head, list) if (client->pdev == pdev) return client; @@ -193,6 +197,7 @@ static struct vga_switcheroo_client * find_client_from_id(struct list_head *head, int client_id) { struct vga_switcheroo_client *client; + list_for_each_entry(client, head, list) if (client->id == client_id) return client; @@ -203,6 +208,7 @@ static struct vga_switcheroo_client * find_active_client(struct list_head *head) { struct vga_switcheroo_client *client; + list_for_each_entry(client, head, list) if (client->active && client_is_vga(client)) return client; @@ -235,7 +241,7 @@ void vga_switcheroo_unregister_client(struct pci_dev *pdev) kfree(client); } if (vgasr_priv.active && vgasr_priv.registered_clients < 2) { - printk(KERN_INFO "vga_switcheroo: disabled\n"); + pr_info("disabled\n"); vga_switcheroo_debugfs_fini(&vgasr_priv); vgasr_priv.active = false; } @@ -260,10 +266,12 @@ static int vga_switcheroo_show(struct seq_file *m, void *v) { struct vga_switcheroo_client *client; int i = 0; + mutex_lock(&vgasr_mutex); list_for_each_entry(client, &vgasr_priv.clients, list) { seq_printf(m, "%d:%s%s:%c:%s%s:%s\n", i, - client_id(client) == VGA_SWITCHEROO_DIS ? "DIS" : "IGD", + client_id(client) == VGA_SWITCHEROO_DIS ? "DIS" : + "IGD", client_is_vga(client) ? "" : "-Audio", client->active ? '+' : ' ', client->driver_power_control ? "Dyn" : "", @@ -347,6 +355,7 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client) if (new_client->fb_info) { struct fb_event event; + console_lock(); event.info = new_client->fb_info; fb_notifier_call_chain(FB_EVENT_REMAP_ALL_CONSOLE, &event); @@ -375,7 +384,7 @@ static bool check_can_switch(void) list_for_each_entry(client, &vgasr_priv.clients, list) { if (!client->ops->can_switch(client->pdev)) { - printk(KERN_ERR "vga_switcheroo: client %x refused switch\n", client->id); + pr_err("client %x refused switch\n", client->id); return false; } } @@ -484,20 +493,20 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf, if (can_switch) { ret = vga_switchto_stage1(client); if (ret) - printk(KERN_ERR "vga_switcheroo: switching failed stage 1 %d\n", ret); + pr_err("switching failed stage 1 %d\n", ret); ret = vga_switchto_stage2(client); if (ret) - printk(KERN_ERR "vga_switcheroo: switching failed stage 2 %d\n", ret); + pr_err("switching failed stage 2 %d\n", ret); } else { - printk(KERN_INFO "vga_switcheroo: setting delayed switch to client %d\n", client->id); + pr_info("setting delayed switch to client %d\n", client->id); vgasr_priv.delayed_switch_active = true; vgasr_priv.delayed_client_id = client_id; ret = vga_switchto_stage1(client); if (ret) - printk(KERN_ERR "vga_switcheroo: delayed switching stage 1 failed %d\n", ret); + pr_err("delayed switching stage 1 failed %d\n", ret); } out: @@ -516,32 +525,32 @@ static const struct file_operations vga_switcheroo_debugfs_fops = { static void vga_switcheroo_debugfs_fini(struct vgasr_priv *priv) { - if (priv->switch_file) { - debugfs_remove(priv->switch_file); - priv->switch_file = NULL; - } - if (priv->debugfs_root) { - debugfs_remove(priv->debugfs_root); - priv->debugfs_root = NULL; - } + debugfs_remove(priv->switch_file); + priv->switch_file = NULL; + + debugfs_remove(priv->debugfs_root); + priv->debugfs_root = NULL; } static int vga_switcheroo_debugfs_init(struct vgasr_priv *priv) { + static const char mp[] = "/sys/kernel/debug"; + /* already initialised */ if (priv->debugfs_root) return 0; priv->debugfs_root = debugfs_create_dir("vgaswitcheroo", NULL); if (!priv->debugfs_root) { - printk(KERN_ERR "vga_switcheroo: Cannot create /sys/kernel/debug/vgaswitcheroo\n"); + pr_err("Cannot create %s/vgaswitcheroo\n", mp); goto fail; } priv->switch_file = debugfs_create_file("switch", 0644, - priv->debugfs_root, NULL, &vga_switcheroo_debugfs_fops); + priv->debugfs_root, NULL, + &vga_switcheroo_debugfs_fops); if (!priv->switch_file) { - printk(KERN_ERR "vga_switcheroo: cannot create /sys/kernel/debug/vgaswitcheroo/switch\n"); + pr_err("cannot create %s/vgaswitcheroo/switch\n", mp); goto fail; } return 0; @@ -560,7 +569,8 @@ int vga_switcheroo_process_delayed_switch(void) if (!vgasr_priv.delayed_switch_active) goto err; - printk(KERN_INFO "vga_switcheroo: processing delayed switch to %d\n", vgasr_priv.delayed_client_id); + pr_info("processing delayed switch to %d\n", + vgasr_priv.delayed_client_id); client = find_client_from_id(&vgasr_priv.clients, vgasr_priv.delayed_client_id); @@ -569,7 +579,7 @@ int vga_switcheroo_process_delayed_switch(void) ret = vga_switchto_stage2(client); if (ret) - printk(KERN_ERR "vga_switcheroo: delayed switching failed stage 2 %d\n", ret); + pr_err("delayed switching failed stage 2 %d\n", ret); vgasr_priv.delayed_switch_active = false; err = 0; @@ -579,7 +589,8 @@ err: } EXPORT_SYMBOL(vga_switcheroo_process_delayed_switch); -static void vga_switcheroo_power_switch(struct pci_dev *pdev, enum vga_switcheroo_state state) +static void vga_switcheroo_power_switch(struct pci_dev *pdev, + enum vga_switcheroo_state state) { struct vga_switcheroo_client *client; @@ -598,7 +609,8 @@ static void vga_switcheroo_power_switch(struct pci_dev *pdev, enum vga_switchero /* force a PCI device to a certain state - mainly to turn off audio clients */ -void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) +void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, + enum vga_switcheroo_state dynamic) { struct vga_switcheroo_client *client; @@ -644,7 +656,8 @@ static int vga_switcheroo_runtime_resume(struct device *dev) /* this version is for the case where the power switch is separate to the device being powered down. */ -int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) +int vga_switcheroo_init_domain_pm_ops(struct device *dev, + struct dev_pm_domain *domain) { /* copy over all the bus versions */ if (dev->bus && dev->bus->pm) { @@ -675,7 +688,8 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) /* we need to check if we have to switch back on the video device so the audio device can come back */ list_for_each_entry(client, &vgasr_priv.clients, list) { - if (PCI_SLOT(client->pdev->devfn) == PCI_SLOT(pdev->devfn) && client_is_vga(client)) { + if (PCI_SLOT(client->pdev->devfn) == PCI_SLOT(pdev->devfn) && + client_is_vga(client)) { found = client; ret = pm_runtime_get_sync(&client->pdev->dev); if (ret) { @@ -695,12 +709,15 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) return ret; } -int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) +int +vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, + struct dev_pm_domain *domain) { /* copy over all the bus versions */ if (dev->bus && dev->bus->pm) { domain->ops = *dev->bus->pm; - domain->ops.runtime_resume = vga_switcheroo_runtime_resume_hdmi_audio; + domain->ops.runtime_resume = + vga_switcheroo_runtime_resume_hdmi_audio; dev->pm_domain = domain; return 0; diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index 7bcbf863656e..a0b433456107 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -29,6 +29,8 @@ * */ +#define pr_fmt(fmt) "vgaarb: " fmt + #include <linux/module.h> #include <linux/kernel.h> #include <linux/pci.h> @@ -134,7 +136,6 @@ struct pci_dev *vga_default_device(void) { return vga_default; } - EXPORT_SYMBOL_GPL(vga_default_device); void vga_set_default_device(struct pci_dev *pdev) @@ -298,9 +299,9 @@ enable_them: pci_set_vga_state(vgadev->pdev, true, pci_bits, flags); - if (!vgadev->bridge_has_one_vga) { + if (!vgadev->bridge_has_one_vga) vga_irq_set_state(vgadev, true); - } + vgadev->owns |= wants; lock_them: vgadev->locks |= (rsrc & VGA_RSRC_LEGACY_MASK); @@ -452,15 +453,15 @@ bail: } EXPORT_SYMBOL(vga_put); -/* Rules for using a bridge to control a VGA descendant decoding: - if a bridge has only one VGA descendant then it can be used - to control the VGA routing for that device. - It should always use the bridge closest to the device to control it. - If a bridge has a direct VGA descendant, but also have a sub-bridge - VGA descendant then we cannot use that bridge to control the direct VGA descendant. - So for every device we register, we need to iterate all its parent bridges - so we can invalidate any devices using them properly. -*/ +/* + * Rules for using a bridge to control a VGA descendant decoding: if a bridge + * has only one VGA descendant then it can be used to control the VGA routing + * for that device. It should always use the bridge closest to the device to + * control it. If a bridge has a direct VGA descendant, but also have a sub- + * bridge VGA descendant then we cannot use that bridge to control the direct + * VGA descendant. So for every device we register, we need to iterate all + * its parent bridges so we can invalidate any devices using them properly. + */ static void vga_arbiter_check_bridge_sharing(struct vga_device *vgadev) { struct vga_device *same_bridge_vgadev; @@ -484,21 +485,26 @@ static void vga_arbiter_check_bridge_sharing(struct vga_device *vgadev) /* see if the share a bridge with this device */ if (new_bridge == bridge) { - /* if their direct parent bridge is the same - as any bridge of this device then it can't be used - for that device */ + /* + * If their direct parent bridge is the same + * as any bridge of this device then it can't + * be used for that device. + */ same_bridge_vgadev->bridge_has_one_vga = false; } - /* now iterate the previous devices bridge hierarchy */ - /* if the new devices parent bridge is in the other devices - hierarchy then we can't use it to control this device */ + /* + * Now iterate the previous devices bridge hierarchy. + * If the new devices parent bridge is in the other + * devices hierarchy then we can't use it to control + * this device + */ while (bus) { bridge = bus->self; - if (bridge) { - if (bridge == vgadev->pdev->bus->self) - vgadev->bridge_has_one_vga = false; - } + + if (bridge && bridge == vgadev->pdev->bus->self) + vgadev->bridge_has_one_vga = false; + bus = bus->parent; } } @@ -527,10 +533,10 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev) /* Allocate structure */ vgadev = kmalloc(sizeof(struct vga_device), GFP_KERNEL); if (vgadev == NULL) { - pr_err("vgaarb: failed to allocate pci device\n"); - /* What to do on allocation failure ? For now, let's - * just do nothing, I'm not sure there is anything saner - * to be done + pr_err("failed to allocate pci device\n"); + /* + * What to do on allocation failure ? For now, let's just do + * nothing, I'm not sure there is anything saner to be done. */ return false; } @@ -566,8 +572,8 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev) bridge = bus->self; if (bridge) { u16 l; - pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, - &l); + + pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, &l); if (!(l & PCI_BRIDGE_CTL_VGA)) { vgadev->owns = 0; break; @@ -581,8 +587,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev) */ if (vga_default == NULL && ((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK)) { - pr_info("vgaarb: setting as boot device: PCI:%s\n", - pci_name(pdev)); + pr_info("setting as boot device: PCI:%s\n", pci_name(pdev)); vga_set_default_device(pdev); } @@ -591,7 +596,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev) /* Add to the list */ list_add(&vgadev->list, &vga_list); vga_count++; - pr_info("vgaarb: device added: PCI:%s,decodes=%s,owns=%s,locks=%s\n", + pr_info("device added: PCI:%s,decodes=%s,owns=%s,locks=%s\n", pci_name(pdev), vga_iostate_to_str(vgadev->decodes), vga_iostate_to_str(vgadev->owns), @@ -651,7 +656,7 @@ static inline void vga_update_device_decodes(struct vga_device *vgadev, decodes_unlocked = vgadev->locks & decodes_removed; vgadev->decodes = new_decodes; - pr_info("vgaarb: device changed decodes: PCI:%s,olddecodes=%s,decodes=%s:owns=%s\n", + pr_info("device changed decodes: PCI:%s,olddecodes=%s,decodes=%s:owns=%s\n", pci_name(vgadev->pdev), vga_iostate_to_str(old_decodes), vga_iostate_to_str(vgadev->decodes), @@ -673,10 +678,12 @@ static inline void vga_update_device_decodes(struct vga_device *vgadev, if (!(old_decodes & VGA_RSRC_LEGACY_MASK) && new_decodes & VGA_RSRC_LEGACY_MASK) vga_decode_count++; - pr_debug("vgaarb: decoding count now is: %d\n", vga_decode_count); + pr_debug("decoding count now is: %d\n", vga_decode_count); } -static void __vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes, bool userspace) +static void __vga_set_legacy_decoding(struct pci_dev *pdev, + unsigned int decodes, + bool userspace) { struct vga_device *vgadev; unsigned long flags; @@ -712,7 +719,8 @@ EXPORT_SYMBOL(vga_set_legacy_decoding); /* call with NULL to unregister */ int vga_client_register(struct pci_dev *pdev, void *cookie, void (*irq_set_state)(void *cookie, bool state), - unsigned int (*set_vga_decode)(void *cookie, bool decode)) + unsigned int (*set_vga_decode)(void *cookie, + bool decode)) { int ret = -ENODEV; struct vga_device *vgadev; @@ -832,7 +840,7 @@ static int vga_pci_str_to_vars(char *buf, int count, unsigned int *domain, return 1; } -static ssize_t vga_arb_read(struct file *file, char __user * buf, +static ssize_t vga_arb_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct vga_arb_private *priv = file->private_data; @@ -899,7 +907,7 @@ done: * TODO: To avoid parsing inside kernel and to improve the speed we may * consider use ioctl here */ -static ssize_t vga_arb_write(struct file *file, const char __user * buf, +static ssize_t vga_arb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { struct vga_arb_private *priv = file->private_data; @@ -1075,13 +1083,13 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, ret_val = -EPROTO; goto done; } - pr_debug("vgaarb: %s ==> %x:%x:%x.%x\n", curr_pos, + pr_debug("%s ==> %x:%x:%x.%x\n", curr_pos, domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); pdev = pci_get_domain_bus_and_slot(domain, bus, devfn); - pr_debug("vgaarb: pdev %p\n", pdev); + pr_debug("pdev %p\n", pdev); if (!pdev) { - pr_err("vgaarb: invalid PCI address %x:%x:%x\n", + pr_err("invalid PCI address %x:%x:%x\n", domain, bus, devfn); ret_val = -ENODEV; goto done; @@ -1089,10 +1097,13 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, } vgadev = vgadev_find(pdev); - pr_debug("vgaarb: vgadev %p\n", vgadev); + pr_debug("vgadev %p\n", vgadev); if (vgadev == NULL) { - pr_err("vgaarb: this pci device is not a vga device\n"); - pci_dev_put(pdev); + if (pdev) { + pr_err("this pci device is not a vga device\n"); + pci_dev_put(pdev); + } + ret_val = -ENODEV; goto done; } @@ -1109,7 +1120,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, } } if (i == MAX_USER_CARDS) { - pr_err("vgaarb: maximum user cards (%d) number reached!\n", + pr_err("maximum user cards (%d) number reached!\n", MAX_USER_CARDS); pci_dev_put(pdev); /* XXX: which value to return? */ @@ -1125,7 +1136,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, } else if (strncmp(curr_pos, "decodes ", 8) == 0) { curr_pos += 8; remaining -= 8; - pr_debug("vgaarb: client 0x%p called 'decodes'\n", priv); + pr_debug("client 0x%p called 'decodes'\n", priv); if (!vga_str_to_iostate(curr_pos, remaining, &io_state)) { ret_val = -EPROTO; @@ -1150,7 +1161,7 @@ done: return ret_val; } -static unsigned int vga_arb_fpoll(struct file *file, poll_table * wait) +static unsigned int vga_arb_fpoll(struct file *file, poll_table *wait) { struct vga_arb_private *priv = file->private_data; @@ -1246,7 +1257,8 @@ static void vga_arbiter_notify_clients(void) else new_state = true; if (vgadev->set_vga_decode) { - new_decodes = vgadev->set_vga_decode(vgadev->cookie, new_state); + new_decodes = vgadev->set_vga_decode(vgadev->cookie, + new_state); vga_update_device_decodes(vgadev, new_decodes); } } @@ -1300,7 +1312,7 @@ static int __init vga_arb_device_init(void) rc = misc_register(&vga_arb_device); if (rc < 0) - pr_err("vgaarb: error %d registering device\n", rc); + pr_err("error %d registering device\n", rc); bus_register_notifier(&pci_bus_type, &pci_notifier); @@ -1312,21 +1324,29 @@ static int __init vga_arb_device_init(void) PCI_ANY_ID, pdev)) != NULL) vga_arbiter_add_pci_device(pdev); - pr_info("vgaarb: loaded\n"); + pr_info("loaded\n"); list_for_each_entry(vgadev, &vga_list, list) { #if defined(CONFIG_X86) || defined(CONFIG_IA64) - /* Override I/O based detection done by vga_arbiter_add_pci_device() - * as it may take the wrong device (e.g. on Apple system under EFI). + /* + * Override vga_arbiter_add_pci_device()'s I/O based detection + * as it may take the wrong device (e.g. on Apple system under + * EFI). * - * Select the device owning the boot framebuffer if there is one. + * Select the device owning the boot framebuffer if there is + * one. */ - resource_size_t start, end; + resource_size_t start, end, limit; + unsigned long flags; int i; + limit = screen_info.lfb_base + screen_info.lfb_size; + /* Does firmware framebuffer belong to us? */ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - if (!(pci_resource_flags(vgadev->pdev, i) & IORESOURCE_MEM)) + flags = pci_resource_flags(vgadev->pdev, i); + + if ((flags & IORESOURCE_MEM) == 0) continue; start = pci_resource_start(vgadev->pdev, i); @@ -1335,22 +1355,24 @@ static int __init vga_arb_device_init(void) if (!start || !end) continue; - if (screen_info.lfb_base < start || - (screen_info.lfb_base + screen_info.lfb_size) >= end) + if (screen_info.lfb_base < start || limit >= end) continue; + if (!vga_default_device()) - pr_info("vgaarb: setting as boot device: PCI:%s\n", + pr_info("setting as boot device: PCI:%s\n", pci_name(vgadev->pdev)); else if (vgadev->pdev != vga_default_device()) - pr_info("vgaarb: overriding boot device: PCI:%s\n", + pr_info("overriding boot device: PCI:%s\n", pci_name(vgadev->pdev)); vga_set_default_device(vgadev->pdev); } #endif if (vgadev->bridge_has_one_vga) - pr_info("vgaarb: bridge control possible %s\n", pci_name(vgadev->pdev)); + pr_info("bridge control possible %s\n", + pci_name(vgadev->pdev)); else - pr_info("vgaarb: no bridge control possible %s\n", pci_name(vgadev->pdev)); + pr_info("no bridge control possible %s\n", + pci_name(vgadev->pdev)); } return rc; } diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 8bf495ffb020..e0606c01e8ac 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -22,9 +22,7 @@ source "drivers/gpu/vga/Kconfig" source "drivers/gpu/host1x/Kconfig" source "drivers/gpu/ipu-v3/Kconfig" -menu "Direct Rendering Manager" source "drivers/gpu/drm/Kconfig" -endmenu menu "Frame buffer Devices" source "drivers/video/fbdev/Kconfig" |