diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 78 |
1 files changed, 43 insertions, 35 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 44642d9094e6..7809d92183c4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -26,7 +26,6 @@ #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> -#include <drm/ttm/ttm_execbuf_util.h> #include "nouveau_fbcon.h" #include "dispnv04/hw.h" @@ -399,6 +398,11 @@ nouveau_display_create(struct drm_device *dev) dev->mode_config.preferred_depth = 24; dev->mode_config.prefer_shadow = 1; + if (nv_device(drm->device)->chipset < 0x11) + dev->mode_config.async_page_flip = false; + else + dev->mode_config.async_page_flip = true; + drm_kms_helper_poll_init(dev); drm_kms_helper_poll_disable(dev); @@ -555,19 +559,15 @@ nouveau_page_flip_emit(struct nouveau_channel *chan, goto fail; /* Emit the pageflip */ - ret = RING_SPACE(chan, 3); + ret = RING_SPACE(chan, 2); if (ret) goto fail; - if (nv_device(drm->device)->card_type < NV_C0) { + if (nv_device(drm->device)->card_type < NV_C0) BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); - OUT_RING (chan, 0x00000000); - OUT_RING (chan, 0x00000000); - } else { - BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1); - OUT_RING (chan, 0); - BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000); - } + else + BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1); + OUT_RING (chan, 0x00000000); FIRE_RING (chan); ret = nouveau_fence_new(chan, false, pfence); @@ -584,22 +584,16 @@ fail: int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, - struct drm_pending_vblank_event *event, - uint32_t page_flip_flags) + struct drm_pending_vblank_event *event, u32 flags) { + const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; struct drm_device *dev = crtc->dev; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo; struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; struct nouveau_page_flip_state *s; - struct nouveau_channel *chan = NULL; + struct nouveau_channel *chan = drm->channel; struct nouveau_fence *fence; - struct ttm_validate_buffer resv[2] = { - { .bo = &old_bo->bo }, - { .bo = &new_bo->bo }, - }; - struct ww_acquire_ctx ticket; - LIST_HEAD(res); int ret; if (!drm->channel) @@ -609,26 +603,22 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, if (!s) return -ENOMEM; - /* Choose the channel the flip will be handled in */ - spin_lock(&old_bo->bo.bdev->fence_lock); - fence = new_bo->bo.sync_obj; - if (fence) - chan = fence->channel; - if (!chan) - chan = drm->channel; - spin_unlock(&old_bo->bo.bdev->fence_lock); + /* synchronise rendering channel with the kernel's channel */ + spin_lock(&new_bo->bo.bdev->fence_lock); + fence = nouveau_fence_ref(new_bo->bo.sync_obj); + spin_unlock(&new_bo->bo.bdev->fence_lock); + ret = nouveau_fence_sync(fence, chan); + if (ret) + return ret; if (new_bo != old_bo) { ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); if (ret) goto fail_free; - - list_add(&resv[1].head, &res); } - list_add(&resv[0].head, &res); mutex_lock(&chan->cli->mutex); - ret = ttm_eu_reserve_buffers(&ticket, &res); + ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); if (ret) goto fail_unpin; @@ -640,12 +630,29 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, /* Emit a page flip */ if (nv_device(drm->device)->card_type >= NV_50) { - ret = nv50_display_flip_next(crtc, fb, chan, 0); + ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); if (ret) goto fail_unreserve; } else { struct nv04_display *dispnv04 = nv04_display(dev); - nouveau_bo_ref(new_bo, &dispnv04->image[nouveau_crtc(crtc)->index]); + int head = nouveau_crtc(crtc)->index; + + if (swap_interval) { + ret = RING_SPACE(chan, 8); + if (ret) + goto fail_unreserve; + + BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); + OUT_RING (chan, 0); + BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); + OUT_RING (chan, head); + BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); + OUT_RING (chan, 0); + BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); + OUT_RING (chan, 0); + } + + nouveau_bo_ref(new_bo, &dispnv04->image[head]); } ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); @@ -656,14 +663,15 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, /* Update the crtc struct and cleanup */ crtc->fb = fb; - ttm_eu_fence_buffer_objects(&ticket, &res, fence); + nouveau_bo_fence(old_bo, fence); + ttm_bo_unreserve(&old_bo->bo); if (old_bo != new_bo) nouveau_bo_unpin(old_bo); nouveau_fence_unref(&fence); return 0; fail_unreserve: - ttm_eu_backoff_reservation(&ticket, &res); + ttm_bo_unreserve(&old_bo->bo); fail_unpin: mutex_unlock(&chan->cli->mutex); if (old_bo != new_bo) |