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-rw-r--r--drivers/gpu/drm/i915/i915_dma.c931
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c2
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h27
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c4
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c43
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c6
-rw-r--r--drivers/gpu/drm/i915/intel_display.c35
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c104
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h3
9 files changed, 62 insertions, 1093 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 56f62112411a..d1562281e607 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -50,883 +50,58 @@
#include <linux/pm_runtime.h>
#include <linux/oom.h>
-#define LP_RING(d) (&((struct drm_i915_private *)(d))->ring[RCS])
-
-#define BEGIN_LP_RING(n) \
- intel_ring_begin(LP_RING(dev_priv), (n))
-
-#define OUT_RING(x) \
- intel_ring_emit(LP_RING(dev_priv), x)
-
-#define ADVANCE_LP_RING() \
- __intel_ring_advance(LP_RING(dev_priv))
-
-/**
- * Lock test for when it's just for synchronization of ring access.
- *
- * In that case, we don't need to do it when GEM is initialized as nobody else
- * has access to the ring.
- */
-#define RING_LOCK_TEST_WITH_RETURN(dev, file) do { \
- if (LP_RING(dev->dev_private)->buffer->obj == NULL) \
- LOCK_TEST_WITH_RETURN(dev, file); \
-} while (0)
-
-static inline u32
-intel_read_legacy_status_page(struct drm_i915_private *dev_priv, int reg)
-{
- if (I915_NEED_GFX_HWS(dev_priv->dev))
- return ioread32(dev_priv->dri1.gfx_hws_cpu_addr + reg);
- else
- return intel_read_status_page(LP_RING(dev_priv), reg);
-}
-
-#define READ_HWSP(dev_priv, reg) intel_read_legacy_status_page(dev_priv, reg)
-#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
-#define I915_BREADCRUMB_INDEX 0x21
-
-void i915_update_dri1_breadcrumb(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv;
-
- /*
- * The dri breadcrumb update races against the drm master disappearing.
- * Instead of trying to fix this (this is by far not the only ums issue)
- * just don't do the update in kms mode.
- */
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return;
-
- if (dev->primary->master) {
- master_priv = dev->primary->master->driver_priv;
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->last_dispatch =
- READ_BREADCRUMB(dev_priv);
- }
-}
-
-static void i915_write_hws_pga(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 addr;
-
- addr = dev_priv->status_page_dmah->busaddr;
- if (INTEL_INFO(dev)->gen >= 4)
- addr |= (dev_priv->status_page_dmah->busaddr >> 28) & 0xf0;
- I915_WRITE(HWS_PGA, addr);
-}
-
-/**
- * Frees the hardware status page, whether it's a physical address or a virtual
- * address set up by the X Server.
- */
-static void i915_free_hws(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = LP_RING(dev_priv);
-
- if (dev_priv->status_page_dmah) {
- drm_pci_free(dev, dev_priv->status_page_dmah);
- dev_priv->status_page_dmah = NULL;
- }
-
- if (ring->status_page.gfx_addr) {
- ring->status_page.gfx_addr = 0;
- iounmap(dev_priv->dri1.gfx_hws_cpu_addr);
- }
-
- /* Need to rewrite hardware status page */
- I915_WRITE(HWS_PGA, 0x1ffff000);
-}
-
-void i915_kernel_lost_context(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv;
- struct intel_engine_cs *ring = LP_RING(dev_priv);
- struct intel_ringbuffer *ringbuf = ring->buffer;
-
- /*
- * We should never lose context on the ring with modesetting
- * as we don't expose it to userspace
- */
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return;
-
- ringbuf->head = I915_READ_HEAD(ring) & HEAD_ADDR;
- ringbuf->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
- ringbuf->space = ringbuf->head - (ringbuf->tail + I915_RING_FREE_SPACE);
- if (ringbuf->space < 0)
- ringbuf->space += ringbuf->size;
-
- if (!dev->primary->master)
- return;
-
- master_priv = dev->primary->master->driver_priv;
- if (ringbuf->head == ringbuf->tail && master_priv->sarea_priv)
- master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY;
-}
-
-static int i915_dma_cleanup(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
-
- /* Make sure interrupts are disabled here because the uninstall ioctl
- * may not have been called from userspace and after dev_private
- * is freed, it's too late.
- */
- if (dev->irq_enabled)
- drm_irq_uninstall(dev);
-
- mutex_lock(&dev->struct_mutex);
- for (i = 0; i < I915_NUM_RINGS; i++)
- intel_cleanup_ring_buffer(&dev_priv->ring[i]);
- mutex_unlock(&dev->struct_mutex);
-
- /* Clear the HWS virtual address at teardown */
- if (I915_NEED_GFX_HWS(dev))
- i915_free_hws(dev);
-
- return 0;
-}
-
-static int i915_initialize(struct drm_device *dev, drm_i915_init_t *init)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
- int ret;
-
- master_priv->sarea = drm_legacy_getsarea(dev);
- if (master_priv->sarea) {
- master_priv->sarea_priv = (drm_i915_sarea_t *)
- ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset);
- } else {
- DRM_DEBUG_DRIVER("sarea not found assuming DRI2 userspace\n");
- }
-
- if (init->ring_size != 0) {
- if (LP_RING(dev_priv)->buffer->obj != NULL) {
- i915_dma_cleanup(dev);
- DRM_ERROR("Client tried to initialize ringbuffer in "
- "GEM mode\n");
- return -EINVAL;
- }
-
- ret = intel_render_ring_init_dri(dev,
- init->ring_start,
- init->ring_size);
- if (ret) {
- i915_dma_cleanup(dev);
- return ret;
- }
- }
-
- dev_priv->dri1.cpp = init->cpp;
- dev_priv->dri1.back_offset = init->back_offset;
- dev_priv->dri1.front_offset = init->front_offset;
- dev_priv->dri1.current_page = 0;
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->pf_current_page = 0;
-
- /* Allow hardware batchbuffers unless told otherwise.
- */
- dev_priv->dri1.allow_batchbuffer = 1;
-
- return 0;
-}
-
-static int i915_dma_resume(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = LP_RING(dev_priv);
-
- DRM_DEBUG_DRIVER("%s\n", __func__);
-
- if (ring->buffer->virtual_start == NULL) {
- DRM_ERROR("can not ioremap virtual address for"
- " ring buffer\n");
- return -ENOMEM;
- }
-
- /* Program Hardware Status Page */
- if (!ring->status_page.page_addr) {
- DRM_ERROR("Can not find hardware status page\n");
- return -EINVAL;
- }
- DRM_DEBUG_DRIVER("hw status page @ %p\n",
- ring->status_page.page_addr);
- if (ring->status_page.gfx_addr != 0)
- intel_ring_setup_status_page(ring);
- else
- i915_write_hws_pga(dev);
-
- DRM_DEBUG_DRIVER("Enabled hardware status page\n");
-
- return 0;
-}
-
static int i915_dma_init(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_init_t *init = data;
- int retcode = 0;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- switch (init->func) {
- case I915_INIT_DMA:
- retcode = i915_initialize(dev, init);
- break;
- case I915_CLEANUP_DMA:
- retcode = i915_dma_cleanup(dev);
- break;
- case I915_RESUME_DMA:
- retcode = i915_dma_resume(dev);
- break;
- default:
- retcode = -EINVAL;
- break;
- }
-
- return retcode;
-}
-
-/* Implement basically the same security restrictions as hardware does
- * for MI_BATCH_NON_SECURE. These can be made stricter at any time.
- *
- * Most of the calculations below involve calculating the size of a
- * particular instruction. It's important to get the size right as
- * that tells us where the next instruction to check is. Any illegal
- * instruction detected will be given a size of zero, which is a
- * signal to abort the rest of the buffer.
- */
-static int validate_cmd(int cmd)
-{
- switch (((cmd >> 29) & 0x7)) {
- case 0x0:
- switch ((cmd >> 23) & 0x3f) {
- case 0x0:
- return 1; /* MI_NOOP */
- case 0x4:
- return 1; /* MI_FLUSH */
- default:
- return 0; /* disallow everything else */
- }
- break;
- case 0x1:
- return 0; /* reserved */
- case 0x2:
- return (cmd & 0xff) + 2; /* 2d commands */
- case 0x3:
- if (((cmd >> 24) & 0x1f) <= 0x18)
- return 1;
-
- switch ((cmd >> 24) & 0x1f) {
- case 0x1c:
- return 1;
- case 0x1d:
- switch ((cmd >> 16) & 0xff) {
- case 0x3:
- return (cmd & 0x1f) + 2;
- case 0x4:
- return (cmd & 0xf) + 2;
- default:
- return (cmd & 0xffff) + 2;
- }
- case 0x1e:
- if (cmd & (1 << 23))
- return (cmd & 0xffff) + 1;
- else
- return 1;
- case 0x1f:
- if ((cmd & (1 << 23)) == 0) /* inline vertices */
- return (cmd & 0x1ffff) + 2;
- else if (cmd & (1 << 17)) /* indirect random */
- if ((cmd & 0xffff) == 0)
- return 0; /* unknown length, too hard */
- else
- return (((cmd & 0xffff) + 1) / 2) + 1;
- else
- return 2; /* indirect sequential */
- default:
- return 0;
- }
- default:
- return 0;
- }
-
- return 0;
-}
-
-static int i915_emit_cmds(struct drm_device *dev, int *buffer, int dwords)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int i, ret;
-
- if ((dwords+1) * sizeof(int) >= LP_RING(dev_priv)->buffer->size - 8)
- return -EINVAL;
-
- for (i = 0; i < dwords;) {
- int sz = validate_cmd(buffer[i]);
-
- if (sz == 0 || i + sz > dwords)
- return -EINVAL;
- i += sz;
- }
-
- ret = BEGIN_LP_RING((dwords+1)&~1);
- if (ret)
- return ret;
-
- for (i = 0; i < dwords; i++)
- OUT_RING(buffer[i]);
- if (dwords & 1)
- OUT_RING(0);
-
- ADVANCE_LP_RING();
-
- return 0;
-}
-
-int
-i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect *box,
- int DR1, int DR4)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int ret;
-
- if (box->y2 <= box->y1 || box->x2 <= box->x1 ||
- box->y2 <= 0 || box->x2 <= 0) {
- DRM_ERROR("Bad box %d,%d..%d,%d\n",
- box->x1, box->y1, box->x2, box->y2);
- return -EINVAL;
- }
-
- if (INTEL_INFO(dev)->gen >= 4) {
- ret = BEGIN_LP_RING(4);
- if (ret)
- return ret;
-
- OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
- OUT_RING((box->x1 & 0xffff) | (box->y1 << 16));
- OUT_RING(((box->x2 - 1) & 0xffff) | ((box->y2 - 1) << 16));
- OUT_RING(DR4);
- } else {
- ret = BEGIN_LP_RING(6);
- if (ret)
- return ret;
-
- OUT_RING(GFX_OP_DRAWRECT_INFO);
- OUT_RING(DR1);
- OUT_RING((box->x1 & 0xffff) | (box->y1 << 16));
- OUT_RING(((box->x2 - 1) & 0xffff) | ((box->y2 - 1) << 16));
- OUT_RING(DR4);
- OUT_RING(0);
- }
- ADVANCE_LP_RING();
-
- return 0;
-}
-
-/* XXX: Emitting the counter should really be moved to part of the IRQ
- * emit. For now, do it in both places:
- */
-
-static void i915_emit_breadcrumb(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
-
- dev_priv->dri1.counter++;
- if (dev_priv->dri1.counter > 0x7FFFFFFFUL)
- dev_priv->dri1.counter = 0;
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->last_enqueue = dev_priv->dri1.counter;
-
- if (BEGIN_LP_RING(4) == 0) {
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->dri1.counter);
- OUT_RING(0);
- ADVANCE_LP_RING();
- }
-}
-
-static int i915_dispatch_cmdbuffer(struct drm_device *dev,
- drm_i915_cmdbuffer_t *cmd,
- struct drm_clip_rect *cliprects,
- void *cmdbuf)
-{
- int nbox = cmd->num_cliprects;
- int i = 0, count, ret;
-
- if (cmd->sz & 0x3) {
- DRM_ERROR("alignment");
- return -EINVAL;
- }
-
- i915_kernel_lost_context(dev);
-
- count = nbox ? nbox : 1;
-
- for (i = 0; i < count; i++) {
- if (i < nbox) {
- ret = i915_emit_box(dev, &cliprects[i],
- cmd->DR1, cmd->DR4);
- if (ret)
- return ret;
- }
-
- ret = i915_emit_cmds(dev, cmdbuf, cmd->sz / 4);
- if (ret)
- return ret;
- }
-
- i915_emit_breadcrumb(dev);
- return 0;
-}
-
-static int i915_dispatch_batchbuffer(struct drm_device *dev,
- drm_i915_batchbuffer_t *batch,
- struct drm_clip_rect *cliprects)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int nbox = batch->num_cliprects;
- int i, count, ret;
-
- if ((batch->start | batch->used) & 0x7) {
- DRM_ERROR("alignment");
- return -EINVAL;
- }
-
- i915_kernel_lost_context(dev);
-
- count = nbox ? nbox : 1;
- for (i = 0; i < count; i++) {
- if (i < nbox) {
- ret = i915_emit_box(dev, &cliprects[i],
- batch->DR1, batch->DR4);
- if (ret)
- return ret;
- }
-
- if (!IS_I830(dev) && !IS_845G(dev)) {
- ret = BEGIN_LP_RING(2);
- if (ret)
- return ret;
-
- if (INTEL_INFO(dev)->gen >= 4) {
- OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
- OUT_RING(batch->start);
- } else {
- OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
- OUT_RING(batch->start | MI_BATCH_NON_SECURE);
- }
- } else {
- ret = BEGIN_LP_RING(4);
- if (ret)
- return ret;
-
- OUT_RING(MI_BATCH_BUFFER);
- OUT_RING(batch->start | MI_BATCH_NON_SECURE);
- OUT_RING(batch->start + batch->used - 4);
- OUT_RING(0);
- }
- ADVANCE_LP_RING();
- }
-
-
- if (IS_G4X(dev) || IS_GEN5(dev)) {
- if (BEGIN_LP_RING(2) == 0) {
- OUT_RING(MI_FLUSH | MI_NO_WRITE_FLUSH | MI_INVALIDATE_ISP);
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
- }
- }
-
- i915_emit_breadcrumb(dev);
- return 0;
-}
-
-static int i915_dispatch_flip(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv =
- dev->primary->master->driver_priv;
- int ret;
-
- if (!master_priv->sarea_priv)
- return -EINVAL;
-
- DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n",
- __func__,
- dev_priv->dri1.current_page,
- master_priv->sarea_priv->pf_current_page);
-
- i915_kernel_lost_context(dev);
-
- ret = BEGIN_LP_RING(10);
- if (ret)
- return ret;
-
- OUT_RING(MI_FLUSH | MI_READ_FLUSH);
- OUT_RING(0);
-
- OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP);
- OUT_RING(0);
- if (dev_priv->dri1.current_page == 0) {
- OUT_RING(dev_priv->dri1.back_offset);
- dev_priv->dri1.current_page = 1;
- } else {
- OUT_RING(dev_priv->dri1.front_offset);
- dev_priv->dri1.current_page = 0;
- }
- OUT_RING(0);
-
- OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP);
- OUT_RING(0);
-
- ADVANCE_LP_RING();
-
- master_priv->sarea_priv->last_enqueue = dev_priv->dri1.counter++;
-
- if (BEGIN_LP_RING(4) == 0) {
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->dri1.counter);
- OUT_RING(0);
- ADVANCE_LP_RING();
- }
-
- master_priv->sarea_priv->pf_current_page = dev_priv->dri1.current_page;
- return 0;
-}
-
-static int i915_quiescent(struct drm_device *dev)
-{
- i915_kernel_lost_context(dev);
- return intel_ring_idle(LP_RING(dev->dev_private));
+ return -ENODEV;
}
static int i915_flush_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- int ret;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- mutex_lock(&dev->struct_mutex);
- ret = i915_quiescent(dev);
- mutex_unlock(&dev->struct_mutex);
-
- return ret;
+ return -ENODEV;
}
static int i915_batchbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv;
- drm_i915_sarea_t *sarea_priv;
- drm_i915_batchbuffer_t *batch = data;
- int ret;
- struct drm_clip_rect *cliprects = NULL;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- master_priv = dev->primary->master->driver_priv;
- sarea_priv = (drm_i915_sarea_t *) master_priv->sarea_priv;
-
- if (!dev_priv->dri1.allow_batchbuffer) {
- DRM_ERROR("Batchbuffer ioctl disabled\n");
- return -EINVAL;
- }
-
- DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n",
- batch->start, batch->used, batch->num_cliprects);
-
- RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (batch->num_cliprects < 0)
- return -EINVAL;
-
- if (batch->num_cliprects) {
- cliprects = kcalloc(batch->num_cliprects,
- sizeof(*cliprects),
- GFP_KERNEL);
- if (cliprects == NULL)
- return -ENOMEM;
-
- ret = copy_from_user(cliprects, batch->cliprects,
- batch->num_cliprects *
- sizeof(struct drm_clip_rect));
- if (ret != 0) {
- ret = -EFAULT;
- goto fail_free;
- }
- }
-
- mutex_lock(&dev->struct_mutex);
- ret = i915_dispatch_batchbuffer(dev, batch, cliprects);
- mutex_unlock(&dev->struct_mutex);
-
- if (sarea_priv)
- sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-
-fail_free:
- kfree(cliprects);
-
- return ret;
+ return -ENODEV;
}
static int i915_cmdbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv;
- drm_i915_sarea_t *sarea_priv;
- drm_i915_cmdbuffer_t *cmdbuf = data;
- struct drm_clip_rect *cliprects = NULL;
- void *batch_data;
- int ret;
-
- DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
- cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- master_priv = dev->primary->master->driver_priv;
- sarea_priv = (drm_i915_sarea_t *) master_priv->sarea_priv;
-
- RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- if (cmdbuf->num_cliprects < 0)
- return -EINVAL;
-
- batch_data = kmalloc(cmdbuf->sz, GFP_KERNEL);
- if (batch_data == NULL)
- return -ENOMEM;
-
- ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz);
- if (ret != 0) {
- ret = -EFAULT;
- goto fail_batch_free;
- }
-
- if (cmdbuf->num_cliprects) {
- cliprects = kcalloc(cmdbuf->num_cliprects,
- sizeof(*cliprects), GFP_KERNEL);
- if (cliprects == NULL) {
- ret = -ENOMEM;
- goto fail_batch_free;
- }
-
- ret = copy_from_user(cliprects, cmdbuf->cliprects,
- cmdbuf->num_cliprects *
- sizeof(struct drm_clip_rect));
- if (ret != 0) {
- ret = -EFAULT;
- goto fail_clip_free;
- }
- }
-
- mutex_lock(&dev->struct_mutex);
- ret = i915_dispatch_cmdbuffer(dev, cmdbuf, cliprects, batch_data);
- mutex_unlock(&dev->struct_mutex);
- if (ret) {
- DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
- goto fail_clip_free;
- }
-
- if (sarea_priv)
- sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-
-fail_clip_free:
- kfree(cliprects);
-fail_batch_free:
- kfree(batch_data);
-
- return ret;
-}
-
-static int i915_emit_irq(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
-
- i915_kernel_lost_context(dev);
-
- DRM_DEBUG_DRIVER("\n");
-
- dev_priv->dri1.counter++;
- if (dev_priv->dri1.counter > 0x7FFFFFFFUL)
- dev_priv->dri1.counter = 1;
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->last_enqueue = dev_priv->dri1.counter;
-
- if (BEGIN_LP_RING(4) == 0) {
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->dri1.counter);
- OUT_RING(MI_USER_INTERRUPT);
- ADVANCE_LP_RING();
- }
-
- return dev_priv->dri1.counter;
-}
-
-static int i915_wait_irq(struct drm_device *dev, int irq_nr)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
- int ret = 0;
- struct intel_engine_cs *ring = LP_RING(dev_priv);
-
- DRM_DEBUG_DRIVER("irq_nr=%d breadcrumb=%d\n", irq_nr,
- READ_BREADCRUMB(dev_priv));
-
- if (READ_BREADCRUMB(dev_priv) >= irq_nr) {
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
- return 0;
- }
-
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
-
- if (ring->irq_get(ring)) {
- DRM_WAIT_ON(ret, ring->irq_queue, 3 * HZ,
- READ_BREADCRUMB(dev_priv) >= irq_nr);
- ring->irq_put(ring);
- } else if (wait_for(READ_BREADCRUMB(dev_priv) >= irq_nr, 3000))
- ret = -EBUSY;
-
- if (ret == -EBUSY) {
- DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
- READ_BREADCRUMB(dev_priv), (int)dev_priv->dri1.counter);
- }
-
- return ret;
+ return -ENODEV;
}
-/* Needs the lock as it touches the ring.
- */
static int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- drm_i915_irq_emit_t *emit = data;
- int result;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- if (!dev_priv || !LP_RING(dev_priv)->buffer->virtual_start) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- mutex_lock(&dev->struct_mutex);
- result = i915_emit_irq(dev);
- mutex_unlock(&dev->struct_mutex);
-
- if (copy_to_user(emit->irq_seq, &result, sizeof(int))) {
- DRM_ERROR("copy_to_user\n");
- return -EFAULT;
- }
-
- return 0;
+ return -ENODEV;
}
-/* Doesn't need the hardware lock.
- */
static int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- drm_i915_irq_wait_t *irqwait = data;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- return i915_wait_irq(dev, irqwait->irq_seq);
+ return -ENODEV;
}
static int i915_vblank_pipe_get(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- drm_i915_vblank_pipe_t *pipe = data;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- pipe->pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
-
- return 0;
+ return -ENODEV;
}
-/**
- * Schedule buffer swap at given vertical blank.
- */
static int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- /* The delayed swap mechanism was fundamentally racy, and has been
- * removed. The model was that the client requested a delayed flip/swap
- * from the kernel, then waited for vblank before continuing to perform
- * rendering. The problem was that the kernel might wake the client
- * up before it dispatched the vblank swap (since the lock has to be
- * held while touching the ringbuffer), in which case the client would
- * clear and start the next frame before the swap occurred, and
- * flicker would occur in addition to likely missing the vblank.
- *
- * In the absence of this ioctl, userland falls back to a correct path
- * of waiting for a vblank, then dispatching the swap on its own.
- * Context switching to userland and back is plenty fast enough for
- * meeting the requirements of vblank swapping.
- */
- return -EINVAL;
+ return -ENODEV;
}
static int i915_flip_bufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- int ret;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- DRM_DEBUG_DRIVER("%s\n", __func__);
-
- RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- mutex_lock(&dev->struct_mutex);
- ret = i915_dispatch_flip(dev);
- mutex_unlock(&dev->struct_mutex);
-
- return ret;
+ return -ENODEV;
}
static int i915_getparam(struct drm_device *dev, void *data,
@@ -943,14 +118,11 @@ static int i915_getparam(struct drm_device *dev, void *data,
switch (param->param) {
case I915_PARAM_IRQ_ACTIVE:
- value = dev->pdev->irq ? 1 : 0;
- break;
+ return -ENODEV;
case I915_PARAM_ALLOW_BATCHBUFFER:
- value = dev_priv->dri1.allow_batchbuffer ? 1 : 0;
- break;
+ return -ENODEV;
case I915_PARAM_LAST_DISPATCH:
- value = READ_BREADCRUMB(dev_priv);
- break;
+ return -ENODEV;
case I915_PARAM_CHIPSET_ID:
value = dev->pdev->device;
break;
@@ -1056,12 +228,10 @@ static int i915_setparam(struct drm_device *dev, void *data,
switch (param->param) {
case I915_SETPARAM_USE_MI_BATCHBUFFER_START:
- break;
case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY:
- break;
case I915_SETPARAM_ALLOW_BATCHBUFFER:
- dev_priv->dri1.allow_batchbuffer = param->value ? 1 : 0;
- break;
+ return -ENODEV;
+
case I915_SETPARAM_NUM_USED_FENCES:
if (param->value > dev_priv->num_fence_regs ||
param->value < 0)
@@ -1081,49 +251,7 @@ static int i915_setparam(struct drm_device *dev, void *data,
static int i915_set_status_page(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- drm_i915_hws_addr_t *hws = data;
- struct intel_engine_cs *ring;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return -ENODEV;
-
- if (!I915_NEED_GFX_HWS(dev))
- return -EINVAL;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- WARN(1, "tried to set status page when mode setting active\n");
- return 0;
- }
-
- DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr);
-
- ring = LP_RING(dev_priv);
- ring->status_page.gfx_addr = hws->addr & (0x1ffff<<12);
-
- dev_priv->dri1.gfx_hws_cpu_addr =
- ioremap_wc(dev_priv->gtt.mappable_base + hws->addr, 4096);
- if (dev_priv->dri1.gfx_hws_cpu_addr == NULL) {
- i915_dma_cleanup(dev);
- ring->status_page.gfx_addr = 0;
- DRM_ERROR("can not ioremap virtual address for"
- " G33 hw status page\n");
- return -ENOMEM;
- }
-
- memset_io(dev_priv->dri1.gfx_hws_cpu_addr, 0, PAGE_SIZE);
- I915_WRITE(HWS_PGA, ring->status_page.gfx_addr);
-
- DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n",
- ring->status_page.gfx_addr);
- DRM_DEBUG_DRIVER("load hws at %p\n",
- ring->status_page.page_addr);
- return 0;
+ return -ENODEV;
}
static int i915_get_bridge_dev(struct drm_device *dev)
@@ -1401,30 +529,6 @@ out:
return ret;
}
-int i915_master_create(struct drm_device *dev, struct drm_master *master)
-{
- struct drm_i915_master_private *master_priv;
-
- master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL);
- if (!master_priv)
- return -ENOMEM;
-
- master->driver_priv = master_priv;
- return 0;
-}
-
-void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
-{
- struct drm_i915_master_private *master_priv = master->driver_priv;
-
- if (!master_priv)
- return;
-
- kfree(master_priv);
-
- master->driver_priv = NULL;
-}
-
#if IS_ENABLED(CONFIG_FB)
static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
{
@@ -1899,9 +1003,6 @@ int i915_driver_unload(struct drm_device *dev)
i915_gem_context_fini(dev);
mutex_unlock(&dev->struct_mutex);
i915_gem_cleanup_stolen(dev);
-
- if (!I915_NEED_GFX_HWS(dev))
- i915_free_hws(dev);
}
intel_teardown_gmbus(dev);
@@ -1966,8 +1067,6 @@ void i915_driver_lastclose(struct drm_device *dev)
}
i915_gem_lastclose(dev);
-
- i915_dma_cleanup(dev);
}
void i915_driver_preclose(struct drm_device *dev, struct drm_file *file)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 19558d61b032..c9f248acbd69 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1573,8 +1573,6 @@ static struct drm_driver driver = {
.resume = i915_resume_legacy,
.device_is_agp = i915_driver_device_is_agp,
- .master_create = i915_master_create,
- .master_destroy = i915_master_destroy,
#if defined(CONFIG_DEBUG_FS)
.debugfs_init = i915_debugfs_init,
.debugfs_cleanup = i915_debugfs_cleanup,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1097d20a4f35..100296475fb4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -327,12 +327,6 @@ struct intel_opregion {
struct intel_overlay;
struct intel_overlay_error_state;
-struct drm_local_map;
-
-struct drm_i915_master_private {
- struct drm_local_map *sarea;
- struct _drm_i915_sarea *sarea_priv;
-};
#define I915_FENCE_REG_NONE -1
#define I915_MAX_NUM_FENCES 32
/* 32 fences + sign bit for FENCE_REG_NONE */
@@ -1127,19 +1121,6 @@ struct i915_power_domains {
struct i915_power_well *power_wells;
};
-struct i915_dri1_state {
- unsigned allow_batchbuffer : 1;
- u32 __iomem *gfx_hws_cpu_addr;
-
- unsigned int cpp;
- int back_offset;
- int front_offset;
- int current_page;
- int page_flipping;
-
- uint32_t counter;
-};
-
struct i915_ums_state {
/**
* Flag if the X Server, and thus DRM, is not currently in
@@ -1787,9 +1768,6 @@ struct drm_i915_private {
uint32_t bios_vgacntr;
- /* Old dri1 support infrastructure, beware the dragons ya fools entering
- * here! */
- struct i915_dri1_state dri1;
/* Old ums support infrastructure, same warning applies. */
struct i915_ums_state ums;
@@ -2351,8 +2329,6 @@ struct i915_params {
extern struct i915_params i915 __read_mostly;
/* i915_dma.c */
-void i915_update_dri1_breadcrumb(struct drm_device *dev);
-extern void i915_kernel_lost_context(struct drm_device * dev);
extern int i915_driver_load(struct drm_device *, unsigned long flags);
extern int i915_driver_unload(struct drm_device *);
extern int i915_driver_open(struct drm_device *dev, struct drm_file *file);
@@ -2366,9 +2342,6 @@ extern int i915_driver_device_is_agp(struct drm_device * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
#endif
-extern int i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect *box,
- int DR1, int DR4);
extern int intel_gpu_reset(struct drm_device *dev);
extern int i915_reset(struct drm_device *dev);
extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 7f95d8ff28af..7985f7b28325 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4664,7 +4664,6 @@ i915_gem_suspend(struct drm_device *dev)
if (!drm_core_check_feature(dev, DRIVER_MODESET))
i915_gem_evict_everything(dev);
- i915_kernel_lost_context(dev);
i915_gem_stop_ringbuffers(dev);
/* Hack! Don't let anybody do execbuf while we don't control the chip.
@@ -4963,9 +4962,6 @@ int i915_gem_init(struct drm_device *dev)
}
mutex_unlock(&dev->struct_mutex);
- /* Allow hardware batchbuffers unless told otherwise, but not for KMS. */
- if (!drm_core_check_feature(dev, DRIVER_MODESET))
- dev_priv->dri1.allow_batchbuffer = 1;
return ret;
}
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index e1ed85a6dc6d..b16eee061990 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1020,6 +1020,47 @@ i915_reset_gen7_sol_offsets(struct drm_device *dev,
return 0;
}
+static int
+i915_emit_box(struct intel_engine_cs *ring,
+ struct drm_clip_rect *box,
+ int DR1, int DR4)
+{
+ int ret;
+
+ if (box->y2 <= box->y1 || box->x2 <= box->x1 ||
+ box->y2 <= 0 || box->x2 <= 0) {
+ DRM_ERROR("Bad box %d,%d..%d,%d\n",
+ box->x1, box->y1, box->x2, box->y2);
+ return -EINVAL;
+ }
+
+ if (INTEL_INFO(ring->dev)->gen >= 4) {
+ ret = intel_ring_begin(ring, 4);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, GFX_OP_DRAWRECT_INFO_I965);
+ intel_ring_emit(ring, (box->x1 & 0xffff) | box->y1 << 16);
+ intel_ring_emit(ring, ((box->x2 - 1) & 0xffff) | (box->y2 - 1) << 16);
+ intel_ring_emit(ring, DR4);
+ } else {
+ ret = intel_ring_begin(ring, 6);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, GFX_OP_DRAWRECT_INFO);
+ intel_ring_emit(ring, DR1);
+ intel_ring_emit(ring, (box->x1 & 0xffff) | box->y1 << 16);
+ intel_ring_emit(ring, ((box->x2 - 1) & 0xffff) | (box->y2 - 1) << 16);
+ intel_ring_emit(ring, DR4);
+ intel_ring_emit(ring, 0);
+ }
+ intel_ring_advance(ring);
+
+ return 0;
+}
+
+
int
i915_gem_ringbuffer_submission(struct drm_device *dev, struct drm_file *file,
struct intel_engine_cs *ring,
@@ -1148,7 +1189,7 @@ i915_gem_ringbuffer_submission(struct drm_device *dev, struct drm_file *file,
exec_len = args->batch_len;
if (cliprects) {
for (i = 0; i < args->num_cliprects; i++) {
- ret = i915_emit_box(dev, &cliprects[i],
+ ret = i915_emit_box(ring, &cliprects[i],
args->DR1, args->DR4);
if (ret)
goto error;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 283756fe48d3..8d169e152d1e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3764,8 +3764,6 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
I915_WRITE16(IIR, iir & ~flip_mask);
new_iir = I915_READ16(IIR); /* Flush posted writes */
- i915_update_dri1_breadcrumb(dev);
-
if (iir & I915_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[RCS]);
@@ -4002,8 +4000,6 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
iir = new_iir;
} while (iir & ~flip_mask);
- i915_update_dri1_breadcrumb(dev);
-
return ret;
}
@@ -4231,8 +4227,6 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
iir = new_iir;
}
- i915_update_dri1_breadcrumb(dev);
-
return ret;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6060b71d9301..9c983e4c33bd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5185,36 +5185,6 @@ static void i9xx_crtc_off(struct drm_crtc *crtc)
{
}
-static void intel_crtc_update_sarea(struct drm_crtc *crtc,
- bool enabled)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_i915_master_private *master_priv;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int pipe = intel_crtc->pipe;
-
- if (!dev->primary->master)
- return;
-
- master_priv = dev->primary->master->driver_priv;
- if (!master_priv->sarea_priv)
- return;
-
- switch (pipe) {
- case 0:
- master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0;
- master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0;
- break;
- case 1:
- master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0;
- master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0;
- break;
- default:
- DRM_ERROR("Can't update pipe %c in SAREA\n", pipe_name(pipe));
- break;
- }
-}
-
/* Master function to enable/disable CRTC and corresponding power wells */
void intel_crtc_control(struct drm_crtc *crtc, bool enable)
{
@@ -5258,8 +5228,6 @@ void intel_crtc_update_dpms(struct drm_crtc *crtc)
enable |= intel_encoder->connectors_active;
intel_crtc_control(crtc, enable);
-
- intel_crtc_update_sarea(crtc, enable);
}
static void intel_crtc_disable(struct drm_crtc *crtc)
@@ -5274,7 +5242,6 @@ static void intel_crtc_disable(struct drm_crtc *crtc)
WARN_ON(!crtc->enabled);
dev_priv->display.crtc_disable(crtc);
- intel_crtc_update_sarea(crtc, false);
dev_priv->display.off(crtc);
if (crtc->primary->fb) {
@@ -8369,7 +8336,7 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
uint32_t width, uint32_t height)
{
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum pipe pipe = intel_crtc->pipe;
unsigned old_width;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 0a4f35e735c3..1d01b51ff058 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -589,14 +589,10 @@ static int init_ring_common(struct intel_engine_cs *ring)
goto out;
}
- if (!drm_core_check_feature(ring->dev, DRIVER_MODESET))
- i915_kernel_lost_context(ring->dev);
- else {
- ringbuf->head = I915_READ_HEAD(ring);
- ringbuf->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
- ringbuf->space = intel_ring_space(ringbuf);
- ringbuf->last_retired_head = -1;
- }
+ ringbuf->head = I915_READ_HEAD(ring);
+ ringbuf->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
+ ringbuf->space = intel_ring_space(ringbuf);
+ ringbuf->last_retired_head = -1;
memset(&ring->hangcheck, 0, sizeof(ring->hangcheck));
@@ -1958,13 +1954,6 @@ static int ring_wait_for_space(struct intel_engine_cs *ring, int n)
break;
}
- if (!drm_core_check_feature(dev, DRIVER_MODESET) &&
- dev->primary->master) {
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
- }
-
msleep(1);
if (dev_priv->mm.interruptible && signal_pending(current)) {
@@ -2455,91 +2444,6 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
return intel_init_ring_buffer(dev, ring);
}
-int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = &dev_priv->ring[RCS];
- struct intel_ringbuffer *ringbuf = ring->buffer;
- int ret;
-
- if (ringbuf == NULL) {
- ringbuf = kzalloc(sizeof(*ringbuf), GFP_KERNEL);
- if (!ringbuf)
- return -ENOMEM;
- ring->buffer = ringbuf;
- }
-
- ring->name = "render ring";
- ring->id = RCS;
- ring->mmio_base = RENDER_RING_BASE;
-
- if (INTEL_INFO(dev)->gen >= 6) {
- /* non-kms not supported on gen6+ */
- ret = -ENODEV;
- goto err_ringbuf;
- }
-
- /* Note: gem is not supported on gen5/ilk without kms (the corresponding
- * gem_init ioctl returns with -ENODEV). Hence we do not need to set up
- * the special gen5 functions. */
- ring->add_request = i9xx_add_request;
- if (INTEL_INFO(dev)->gen < 4)
- ring->flush = gen2_render_ring_flush;
- else
- ring->flush = gen4_render_ring_flush;
- ring->get_seqno = ring_get_seqno;
- ring->set_seqno = ring_set_seqno;
- if (IS_GEN2(dev)) {
- ring->irq_get = i8xx_ring_get_irq;
- ring->irq_put = i8xx_ring_put_irq;
- } else {
- ring->irq_get = i9xx_ring_get_irq;
- ring->irq_put = i9xx_ring_put_irq;
- }
- ring->irq_enable_mask = I915_USER_INTERRUPT;
- ring->write_tail = ring_write_tail;
- if (INTEL_INFO(dev)->gen >= 4)
- ring->dispatch_execbuffer = i965_dispatch_execbuffer;
- else if (IS_I830(dev) || IS_845G(dev))
- ring->dispatch_execbuffer = i830_dispatch_execbuffer;
- else
- ring->dispatch_execbuffer = i915_dispatch_execbuffer;
- ring->init = init_render_ring;
- ring->cleanup = render_ring_cleanup;
-
- ring->dev = dev;
- INIT_LIST_HEAD(&ring->active_list);
- INIT_LIST_HEAD(&ring->request_list);
-
- ringbuf->size = size;
- ringbuf->effective_size = ringbuf->size;
- if (IS_I830(ring->dev) || IS_845G(ring->dev))
- ringbuf->effective_size -= 2 * CACHELINE_BYTES;
-
- ringbuf->virtual_start = ioremap_wc(start, size);
- if (ringbuf->virtual_start == NULL) {
- DRM_ERROR("can not ioremap virtual address for"
- " ring buffer\n");
- ret = -ENOMEM;
- goto err_ringbuf;
- }
-
- if (!I915_NEED_GFX_HWS(dev)) {
- ret = init_phys_status_page(ring);
- if (ret)
- goto err_vstart;
- }
-
- return 0;
-
-err_vstart:
- iounmap(ringbuf->virtual_start);
-err_ringbuf:
- kfree(ringbuf);
- ring->buffer = NULL;
- return ret;
-}
-
int intel_init_bsd_ring_buffer(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 9eb3188595a6..fe426cff598b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -448,7 +448,4 @@ static inline void i915_trace_irq_get(struct intel_engine_cs *ring, u32 seqno)
ring->trace_irq_seqno = seqno;
}
-/* DRI warts */
-int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size);
-
#endif /* _INTEL_RINGBUFFER_H_ */
generated by cgit v1.2.3 (git 2.0.4) at 2024-09-12 18:56:04 +0000