[Intel-gfx] [PATCH 2/3] convert some gem structures to per-ring V2

Zou Nan hai nanhai.zou at intel.com
Fri May 21 03:08:56 CEST 2010


mark gem object on which ring with exec flag.
request list and active_list were moved into
intel_ring_buffer structure.

Signed-off-by: Zou Nan hai <nanhai.zou at intel.com>
Signed-off-by: Xiang Hai hao <haihao.xiang at intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c  |   12 +-
 drivers/gpu/drm/i915/i915_dma.c      |   35 ++--
 drivers/gpu/drm/i915/i915_drv.c      |    2 +-
 drivers/gpu/drm/i915/i915_drv.h      |   41 ++---
 drivers/gpu/drm/i915/i915_gem.c      |  340 +++++++++++++---------------------
 drivers/gpu/drm/i915/i915_irq.c      |   50 +++--
 drivers/gpu/drm/i915/intel_overlay.c |   44 +++--
 7 files changed, 236 insertions(+), 288 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 4fddf09..c864858 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -77,7 +77,7 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
 	case ACTIVE_LIST:
 		seq_printf(m, "Active:\n");
 		lock = &dev_priv->mm.active_list_lock;
-		head = &dev_priv->mm.active_list;
+		head = &dev_priv->render_ring.active_list;
 		break;
 	case INACTIVE_LIST:
 		seq_printf(m, "Inactive:\n");
@@ -129,7 +129,8 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
 	struct drm_i915_gem_request *gem_request;
 
 	seq_printf(m, "Request:\n");
-	list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) {
+	list_for_each_entry(gem_request, &dev_priv->render_ring.request_list,
+			list) {
 		seq_printf(m, "    %d @ %d\n",
 			   gem_request->seqno,
 			   (int) (jiffies - gem_request->emitted_jiffies));
@@ -145,7 +146,7 @@ static int i915_gem_seqno_info(struct seq_file *m, void *data)
 
 	if (dev_priv->hw_status_page != NULL) {
 		seq_printf(m, "Current sequence: %d\n",
-			   i915_get_gem_seqno(dev));
+			   i915_get_gem_seqno(dev,  &dev_priv->render_ring));
 	} else {
 		seq_printf(m, "Current sequence: hws uninitialized\n");
 	}
@@ -197,7 +198,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
 		   atomic_read(&dev_priv->irq_received));
 	if (dev_priv->hw_status_page != NULL) {
 		seq_printf(m, "Current sequence:    %d\n",
-			   i915_get_gem_seqno(dev));
+			   i915_get_gem_seqno(dev,  &dev_priv->render_ring));
 	} else {
 		seq_printf(m, "Current sequence:    hws uninitialized\n");
 	}
@@ -287,7 +288,8 @@ static int i915_batchbuffer_info(struct seq_file *m, void *data)
 
 	spin_lock(&dev_priv->mm.active_list_lock);
 
-	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+	list_for_each_entry(obj_priv, &dev_priv->render_ring.active_list,
+			list) {
 		obj = &obj_priv->base;
 		if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
 		    ret = i915_gem_object_get_pages(obj, 0);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index bd81a91..ee2be03 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -63,7 +63,7 @@ static int i915_init_phys_hws(struct drm_device *dev)
 
 	if (IS_I965G(dev))
 		dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) &
-					     0xf0;
+			0xf0;
 
 	I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
 	DRM_DEBUG_DRIVER("Enabled hardware status page\n");
@@ -82,7 +82,8 @@ static void i915_free_hws(struct drm_device *dev)
 		dev_priv->status_page_dmah = NULL;
 	}
 
-	if (dev_priv->status_gfx_addr) {
+	if (dev_priv->render_ring.status_page.gfx_addr) {
+		dev_priv->render_ring.status_page.gfx_addr = 0;
 		dev_priv->status_gfx_addr = 0;
 		drm_core_ioremapfree(&dev_priv->hws_map, dev);
 	}
@@ -95,7 +96,7 @@ void i915_kernel_lost_context(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_master_private *master_priv;
-	struct intel_ring_buffer *ring = &dev_priv->render_ring;
+	struct intel_ring_buffer *ring = &(dev_priv->render_ring);
 
 	/*
 	 * We should never lose context on the ring with modesetting
@@ -154,7 +155,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 		if (dev_priv->render_ring.gem_object != NULL) {
 			i915_dma_cleanup(dev);
 			DRM_ERROR("Client tried to initialize ringbuffer in "
-					"GEM mode\n");
+				  "GEM mode\n");
 			return -EINVAL;
 		}
 
@@ -171,7 +172,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 		if (dev_priv->render_ring.map.handle == NULL) {
 			i915_dma_cleanup(dev);
 			DRM_ERROR("can not ioremap virtual address for"
-					" ring buffer\n");
+				  " ring buffer\n");
 			return -ENOMEM;
 		}
 	}
@@ -364,10 +365,10 @@ i915_emit_box(struct drm_device *dev,
 {
 	struct drm_clip_rect box = boxes[i];
 
-	if (box.y2 <= box.y1 || box.x2 <= box.x1
-			|| box.y2 <= 0 || box.x2 <= 0) {
+	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);
+			  box.x1, box.y1, box.x2, box.y2);
 		return -EINVAL;
 	}
 
@@ -468,7 +469,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev,
 	for (i = 0; i < count; i++) {
 		if (i < nbox) {
 			int ret = i915_emit_box(dev, cliprects, i,
-					batch->DR1, batch->DR4);
+						batch->DR1, batch->DR4);
 			if (ret)
 				return ret;
 		}
@@ -508,9 +509,9 @@ static int i915_dispatch_flip(struct drm_device * dev)
 		return -EINVAL;
 
 	DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n",
-			__func__,
-			dev_priv->current_page,
-			master_priv->sarea_priv->pf_current_page);
+			  __func__,
+			 dev_priv->current_page,
+			 master_priv->sarea_priv->pf_current_page);
 
 	i915_kernel_lost_context(dev);
 
@@ -798,11 +799,13 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_hws_addr_t *hws = data;
-	struct intel_ring_buffer *ring = &dev_priv->render_ring;
+	struct intel_ring_buffer *ring;
 
 	if (!I915_NEED_GFX_HWS(dev))
 		return -EINVAL;
 
+	ring = &dev_priv->render_ring;
+
 	if (!dev_priv) {
 		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
@@ -834,11 +837,10 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 	ring->status_page.page_addr = dev_priv->hws_map.handle;
 	memset(ring->status_page.page_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",
-				dev_priv->status_gfx_addr);
+			ring->status_page.gfx_addr);
 	DRM_DEBUG_DRIVER("load hws at %p\n",
-				dev_priv->hw_status_page);
+			ring->status_page.page_addr);
 	return 0;
 }
 
@@ -1511,7 +1513,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	resource_size_t base, size;
 	int ret = 0, mmio_bar;
 	uint32_t agp_size, prealloc_size, prealloc_start;
-
 	/* i915 has 4 more counters */
 	dev->counters += 4;
 	dev->types[6] = _DRM_STAT_IRQ;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c57c54f..d40f62d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -340,7 +340,7 @@ int i965_reset(struct drm_device *dev, u8 flags)
 	/*
 	 * Clear request list
 	 */
-	i915_gem_retire_requests(dev);
+	i915_gem_retire_requests(dev, &dev_priv->render_ring);
 
 	if (need_display)
 		i915_save_display(dev);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ebf4a34..edc5d2e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -503,18 +503,7 @@ typedef struct drm_i915_private {
 		 */
 		struct list_head shrink_list;
 
-		/**
-		 * List of objects currently involved in rendering from the
-		 * ringbuffer.
-		 *
-		 * Includes buffers having the contents of their GPU caches
-		 * flushed, not necessarily primitives.  last_rendering_seqno
-		 * represents when the rendering involved will be completed.
-		 *
-		 * A reference is held on the buffer while on this list.
-		 */
 		spinlock_t active_list_lock;
-		struct list_head active_list;
 
 		/**
 		 * List of objects which are not in the ringbuffer but which
@@ -552,12 +541,6 @@ typedef struct drm_i915_private {
 		struct list_head fence_list;
 
 		/**
-		 * List of breadcrumbs associated with GPU requests currently
-		 * outstanding.
-		 */
-		struct list_head request_list;
-
-		/**
 		 * We leave the user IRQ off as much as possible,
 		 * but this means that requests will finish and never
 		 * be retired once the system goes idle. Set a timer to
@@ -681,6 +664,9 @@ struct drm_i915_gem_object {
 	 */
 	uint32_t gtt_offset;
 
+	/* Which ring is refering to is this object */
+	struct intel_ring_buffer *ring;
+
 	/**
 	 * Fake offset for use by mmap(2)
 	 */
@@ -754,6 +740,9 @@ struct drm_i915_gem_object {
  * an emission time with seqnos for tracking how far ahead of the GPU we are.
  */
 struct drm_i915_gem_request {
+	/** On Which ring this request was generated */
+	struct intel_ring_buffer *ring;
+
 	/** GEM sequence number associated with this request. */
 	uint32_t seqno;
 
@@ -914,11 +903,13 @@ void i915_gem_object_unpin(struct drm_gem_object *obj);
 int i915_gem_object_unbind(struct drm_gem_object *obj);
 void i915_gem_release_mmap(struct drm_gem_object *obj);
 void i915_gem_lastclose(struct drm_device *dev);
-uint32_t i915_get_gem_seqno(struct drm_device *dev);
+uint32_t i915_get_gem_seqno(struct drm_device *dev,
+		struct intel_ring_buffer *ring);
 bool i915_seqno_passed(uint32_t seq1, uint32_t seq2);
 int i915_gem_object_get_fence_reg(struct drm_gem_object *obj);
 int i915_gem_object_put_fence_reg(struct drm_gem_object *obj);
-void i915_gem_retire_requests(struct drm_device *dev);
+void i915_gem_retire_requests(struct drm_device *dev,
+		 struct intel_ring_buffer *ring);
 void i915_gem_retire_work_handler(struct work_struct *work);
 void i915_gem_clflush_object(struct drm_gem_object *obj);
 int i915_gem_object_set_domain(struct drm_gem_object *obj,
@@ -929,9 +920,13 @@ void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
 int i915_gem_do_init(struct drm_device *dev, unsigned long start,
 		     unsigned long end);
 int i915_gem_idle(struct drm_device *dev);
-uint32_t i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
-			  uint32_t flush_domains);
-int i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible);
+uint32_t i915_add_request(struct drm_device *dev,
+		struct drm_file *file_priv,
+		uint32_t flush_domains,
+		struct intel_ring_buffer *ring);
+int i915_do_wait_request(struct drm_device *dev,
+		uint32_t seqno, int interruptible,
+		struct intel_ring_buffer *ring);
 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
 				      int write);
@@ -1020,7 +1015,7 @@ extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
 #define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do {			\
 	if (((drm_i915_private_t *)dev->dev_private)->render_ring.gem_object \
 			== NULL)					\
-		LOCK_TEST_WITH_RETURN(dev, file_priv);			\
+			LOCK_TEST_WITH_RETURN(dev, file_priv);		\
 } while (0)
 
 #define I915_READ(reg)          readl(dev_priv->regs + (reg))
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 38a9771..f539f31 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -56,6 +56,8 @@ static int i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *o
 				struct drm_i915_gem_pwrite *args,
 				struct drm_file *file_priv);
 
+
+
 static LIST_HEAD(shrink_list);
 static DEFINE_SPINLOCK(shrink_list_lock);
 
@@ -1484,11 +1486,14 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
 }
 
 static void
-i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno)
+i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno,
+			       struct intel_ring_buffer *ring)
 {
 	struct drm_device *dev = obj->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
+	BUG_ON(ring == NULL);
+	obj_priv->ring = ring;
 
 	/* Add a reference if we're newly entering the active list. */
 	if (!obj_priv->active) {
@@ -1497,8 +1502,7 @@ i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno)
 	}
 	/* Move from whatever list we were on to the tail of execution. */
 	spin_lock(&dev_priv->mm.active_list_lock);
-	list_move_tail(&obj_priv->list,
-		       &dev_priv->mm.active_list);
+	list_move_tail(&obj_priv->list, &ring->active_list);
 	spin_unlock(&dev_priv->mm.active_list_lock);
 	obj_priv->last_rendering_seqno = seqno;
 }
@@ -1551,6 +1555,7 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
 	BUG_ON(!list_empty(&obj_priv->gpu_write_list));
 
 	obj_priv->last_rendering_seqno = 0;
+	obj_priv->ring = NULL;
 	if (obj_priv->active) {
 		obj_priv->active = 0;
 		drm_gem_object_unreference(obj);
@@ -1560,7 +1565,8 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
 
 static void
 i915_gem_process_flushing_list(struct drm_device *dev,
-			       uint32_t flush_domains, uint32_t seqno)
+			       uint32_t flush_domains, uint32_t seqno,
+			       struct intel_ring_buffer *ring)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj_priv, *next;
@@ -1571,12 +1577,13 @@ i915_gem_process_flushing_list(struct drm_device *dev,
 		struct drm_gem_object *obj = &obj_priv->base;
 
 		if ((obj->write_domain & flush_domains) ==
-		    obj->write_domain) {
+		    obj->write_domain &&
+		    obj_priv->ring->ring_flag == ring->ring_flag) {
 			uint32_t old_write_domain = obj->write_domain;
 
 			obj->write_domain = 0;
 			list_del_init(&obj_priv->gpu_write_list);
-			i915_gem_object_move_to_active(obj, seqno);
+			i915_gem_object_move_to_active(obj, seqno, ring);
 
 			/* update the fence lru list */
 			if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
@@ -1593,13 +1600,6 @@ i915_gem_process_flushing_list(struct drm_device *dev,
 	}
 }
 
-#define PIPE_CONTROL_FLUSH(addr)					\
-	OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |		\
-		 PIPE_CONTROL_DEPTH_STALL);				\
-	OUT_RING(addr | PIPE_CONTROL_GLOBAL_GTT);			\
-	OUT_RING(0);							\
-	OUT_RING(0);							\
-
 /**
  * Creates a new sequence number, emitting a write of it to the status page
  * plus an interrupt, which will trigger i915_user_interrupt_handler.
@@ -1610,7 +1610,7 @@ i915_gem_process_flushing_list(struct drm_device *dev,
  */
 uint32_t
 i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
-		 uint32_t flush_domains)
+		 uint32_t flush_domains, struct intel_ring_buffer *ring)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_file_private *i915_file_priv = NULL;
@@ -1624,63 +1624,14 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
 	request = kzalloc(sizeof(*request), GFP_KERNEL);
 	if (request == NULL)
 		return 0;
-
-	/* Grab the seqno we're going to make this request be, and bump the
-	 * next (skipping 0 so it can be the reserved no-seqno value).
-	 */
-	seqno = dev_priv->mm.next_gem_seqno;
-	dev_priv->mm.next_gem_seqno++;
-	if (dev_priv->mm.next_gem_seqno == 0)
-		dev_priv->mm.next_gem_seqno++;
-
-	if (HAS_PIPE_CONTROL(dev)) {
-		u32 scratch_addr = dev_priv->seqno_gfx_addr + 128;
-
-		/*
-		 * Workaround qword write incoherence by flushing the
-		 * PIPE_NOTIFY buffers out to memory before requesting
-		 * an interrupt.
-		 */
-		BEGIN_LP_RING(32);
-		OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
-			 PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH);
-		OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
-		OUT_RING(seqno);
-		OUT_RING(0);
-		PIPE_CONTROL_FLUSH(scratch_addr);
-		scratch_addr += 128; /* write to separate cachelines */
-		PIPE_CONTROL_FLUSH(scratch_addr);
-		scratch_addr += 128;
-		PIPE_CONTROL_FLUSH(scratch_addr);
-		scratch_addr += 128;
-		PIPE_CONTROL_FLUSH(scratch_addr);
-		scratch_addr += 128;
-		PIPE_CONTROL_FLUSH(scratch_addr);
-		scratch_addr += 128;
-		PIPE_CONTROL_FLUSH(scratch_addr);
-		OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
-			 PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH |
-			 PIPE_CONTROL_NOTIFY);
-		OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
-		OUT_RING(seqno);
-		OUT_RING(0);
-		ADVANCE_LP_RING();
-	} else {
-		BEGIN_LP_RING(4);
-		OUT_RING(MI_STORE_DWORD_INDEX);
-		OUT_RING(I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
-		OUT_RING(seqno);
-
-		OUT_RING(MI_USER_INTERRUPT);
-		ADVANCE_LP_RING();
-	}
-
-	DRM_DEBUG_DRIVER("%d\n", seqno);
+	seqno = ring->add_request(dev, ring, file_priv, flush_domains);
 
 	request->seqno = seqno;
+	request->ring = ring;
 	request->emitted_jiffies = jiffies;
-	was_empty = list_empty(&dev_priv->mm.request_list);
-	list_add_tail(&request->list, &dev_priv->mm.request_list);
+	was_empty = list_empty(&ring->request_list);
+	list_add_tail(&request->list, &ring->request_list);
+
 	if (i915_file_priv) {
 		list_add_tail(&request->client_list,
 			      &i915_file_priv->mm.request_list);
@@ -1692,7 +1643,7 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
 	 * domain we're flushing with our flush.
 	 */
 	if (flush_domains != 0) 
-		i915_gem_process_flushing_list(dev, flush_domains, seqno);
+		i915_gem_process_flushing_list(dev, flush_domains, seqno, ring);
 
 	if (!dev_priv->mm.suspended) {
 		mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
@@ -1709,18 +1660,16 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
  * before signalling the CPU
  */
 static uint32_t
-i915_retire_commands(struct drm_device *dev)
+i915_retire_commands(struct drm_device *dev, struct intel_ring_buffer *ring)
 {
-	uint32_t cmd = MI_FLUSH | MI_NO_WRITE_FLUSH;
 	uint32_t flush_domains = 0;
 
 	/* The sampler always gets flushed on i965 (sigh) */
 	if (IS_I965G(dev))
 		flush_domains |= I915_GEM_DOMAIN_SAMPLER;
-	BEGIN_LP_RING(2);
-	OUT_RING(cmd);
-	OUT_RING(0); /* noop */
-	ADVANCE_LP_RING();
+
+	ring->flush(dev, ring,
+			I915_GEM_DOMAIN_COMMAND, flush_domains);
 	return flush_domains;
 }
 
@@ -1740,11 +1689,11 @@ i915_gem_retire_request(struct drm_device *dev,
 	 * by the ringbuffer to the flushing/inactive lists as appropriate.
 	 */
 	spin_lock(&dev_priv->mm.active_list_lock);
-	while (!list_empty(&dev_priv->mm.active_list)) {
+	while (!list_empty(&request->ring->active_list)) {
 		struct drm_gem_object *obj;
 		struct drm_i915_gem_object *obj_priv;
 
-		obj_priv = list_first_entry(&dev_priv->mm.active_list,
+		obj_priv = list_first_entry(&request->ring->active_list,
 					    struct drm_i915_gem_object,
 					    list);
 		obj = &obj_priv->base;
@@ -1753,6 +1702,7 @@ i915_gem_retire_request(struct drm_device *dev,
 		 * list, then the oldest in the list must still be newer than
 		 * this seqno.
 		 */
+
 		if (obj_priv->last_rendering_seqno != request->seqno)
 			goto out;
 
@@ -1791,43 +1741,39 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2)
 }
 
 uint32_t
-i915_get_gem_seqno(struct drm_device *dev)
+i915_get_gem_seqno(struct drm_device *dev,
+		struct intel_ring_buffer *ring)
 {
-	drm_i915_private_t *dev_priv = dev->dev_private;
-
-	if (HAS_PIPE_CONTROL(dev))
-		return ((volatile u32 *)(dev_priv->seqno_page))[0];
-	else
-		return READ_HWSP(dev_priv, I915_GEM_HWS_INDEX);
+	return ring->get_gem_seqno(dev, ring);
 }
 
 /**
  * This function clears the request list as sequence numbers are passed.
  */
 void
-i915_gem_retire_requests(struct drm_device *dev)
+i915_gem_retire_requests(struct drm_device *dev,
+		struct intel_ring_buffer *ring)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	uint32_t seqno;
 
-	struct intel_ring_buffer *ring = &(dev_priv->render_ring);
 	if (!ring->status_page.page_addr
-			|| list_empty(&dev_priv->mm.request_list))
+			|| list_empty(&ring->request_list))
 		return;
 
-	seqno = i915_get_gem_seqno(dev);
+	seqno = i915_get_gem_seqno(dev, ring);
 
-	while (!list_empty(&dev_priv->mm.request_list)) {
+	while (!list_empty(&ring->request_list)) {
 		struct drm_i915_gem_request *request;
 		uint32_t retiring_seqno;
 
-		request = list_first_entry(&dev_priv->mm.request_list,
-					   struct drm_i915_gem_request,
-					   list);
+		request = list_first_entry(&ring->request_list,
+				struct drm_i915_gem_request,
+				list);
 		retiring_seqno = request->seqno;
 
 		if (i915_seqno_passed(seqno, retiring_seqno) ||
-		    atomic_read(&dev_priv->mm.wedged)) {
+				atomic_read(&dev_priv->mm.wedged)) {
 			i915_gem_retire_request(dev, request);
 
 			list_del(&request->list);
@@ -1838,8 +1784,8 @@ i915_gem_retire_requests(struct drm_device *dev)
 	}
 
 	if (unlikely (dev_priv->trace_irq_seqno &&
-		      i915_seqno_passed(dev_priv->trace_irq_seqno, seqno))) {
-
+				i915_seqno_passed(dev_priv->trace_irq_seqno,
+					seqno))) {
 		ring->user_irq_put(dev, ring);
 		dev_priv->trace_irq_seqno = 0;
 	}
@@ -1856,27 +1802,28 @@ i915_gem_retire_work_handler(struct work_struct *work)
 	dev = dev_priv->dev;
 
 	mutex_lock(&dev->struct_mutex);
-	i915_gem_retire_requests(dev);
+	i915_gem_retire_requests(dev, &dev_priv->render_ring);
+
 	if (!dev_priv->mm.suspended &&
-	    !list_empty(&dev_priv->mm.request_list))
+			(!list_empty(&dev_priv->render_ring.request_list)))
 		queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
 	mutex_unlock(&dev->struct_mutex);
 }
 
 int
-i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible)
+i915_do_wait_request(struct drm_device *dev, uint32_t seqno,
+		int interruptible, struct intel_ring_buffer *ring)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 ier;
 	int ret = 0;
 
-	struct intel_ring_buffer *ring = &dev_priv->render_ring;
 	BUG_ON(seqno == 0);
 
 	if (atomic_read(&dev_priv->mm.wedged))
 		return -EIO;
 
-	if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
+	if (!i915_seqno_passed(ring->get_gem_seqno(dev, ring), seqno)) {
 		if (HAS_PCH_SPLIT(dev))
 			ier = I915_READ(DEIER) | I915_READ(GTIER);
 		else
@@ -1890,19 +1837,21 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible)
 
 		trace_i915_gem_request_wait_begin(dev, seqno);
 
-		dev_priv->mm.waiting_gem_seqno = seqno;
+		ring->waiting_gem_seqno = seqno;
 		ring->user_irq_get(dev, ring);
 		if (interruptible)
-			ret = wait_event_interruptible(dev_priv->irq_queue,
-				i915_seqno_passed(i915_get_gem_seqno(dev), seqno) ||
-				atomic_read(&dev_priv->mm.wedged));
+			ret = wait_event_interruptible(ring->irq_queue,
+				i915_seqno_passed(
+					ring->get_gem_seqno(dev, ring), seqno)
+				|| atomic_read(&dev_priv->mm.wedged));
 		else
-			wait_event(dev_priv->irq_queue,
-				i915_seqno_passed(i915_get_gem_seqno(dev), seqno) ||
-				atomic_read(&dev_priv->mm.wedged));
+			wait_event(ring->irq_queue,
+				i915_seqno_passed(
+					ring->get_gem_seqno(dev, ring), seqno)
+				|| atomic_read(&dev_priv->mm.wedged));
 
 		ring->user_irq_put(dev, ring);
-		dev_priv->mm.waiting_gem_seqno = 0;
+		ring->waiting_gem_seqno = 0;
 
 		trace_i915_gem_request_wait_end(dev, seqno);
 	}
@@ -1911,7 +1860,7 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible)
 
 	if (ret && ret != -ERESTARTSYS)
 		DRM_ERROR("%s returns %d (awaiting %d at %d)\n",
-			  __func__, ret, seqno, i915_get_gem_seqno(dev));
+			  __func__, ret, seqno, ring->get_gem_seqno(dev, ring));
 
 	/* Directly dispatch request retiring.  While we have the work queue
 	 * to handle this, the waiter on a request often wants an associated
@@ -1919,7 +1868,7 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible)
 	 * a separate wait queue to handle that.
 	 */
 	if (ret == 0)
-		i915_gem_retire_requests(dev);
+		i915_gem_retire_requests(dev, ring);
 
 	return ret;
 }
@@ -1929,12 +1878,12 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible)
  * request and object lists appropriately for that event.
  */
 static int
-i915_wait_request(struct drm_device *dev, uint32_t seqno)
+i915_wait_request(struct drm_device *dev, uint32_t seqno,
+		struct intel_ring_buffer *ring)
 {
-	return i915_do_wait_request(dev, seqno, 1);
+	return i915_do_wait_request(dev, seqno, 1, ring);
 }
 
-
 static void
 i915_gem_flush(struct drm_device *dev,
 	       uint32_t invalidate_domains,
@@ -1948,6 +1897,19 @@ i915_gem_flush(struct drm_device *dev,
 			flush_domains);
 }
 
+static void
+i915_gem_flush_ring(struct drm_device *dev,
+	       uint32_t invalidate_domains,
+	       uint32_t flush_domains,
+	       struct intel_ring_buffer *ring)
+{
+	if (flush_domains & I915_GEM_DOMAIN_CPU)
+		drm_agp_chipset_flush(dev);
+	ring->flush(dev, ring,
+			invalidate_domains,
+			flush_domains);
+}
+
 /**
  * Ensures that all rendering to the object has completed and the object is
  * safe to unbind from the GTT or access from the CPU.
@@ -1972,7 +1934,8 @@ i915_gem_object_wait_rendering(struct drm_gem_object *obj)
 		DRM_INFO("%s: object %p wait for seqno %08x\n",
 			  __func__, obj, obj_priv->last_rendering_seqno);
 #endif
-		ret = i915_wait_request(dev, obj_priv->last_rendering_seqno);
+		ret = i915_wait_request(dev,
+				obj_priv->last_rendering_seqno, obj_priv->ring);
 		if (ret != 0)
 			return ret;
 	}
@@ -2089,10 +2052,11 @@ i915_gpu_idle(struct drm_device *dev)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	bool lists_empty;
 	uint32_t seqno;
+	int ret;
 
 	spin_lock(&dev_priv->mm.active_list_lock);
 	lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
-		      list_empty(&dev_priv->mm.active_list);
+		       list_empty(&dev_priv->render_ring.active_list);
 	spin_unlock(&dev_priv->mm.active_list_lock);
 
 	if (lists_empty)
@@ -2100,11 +2064,13 @@ i915_gpu_idle(struct drm_device *dev)
 
 	/* Flush everything onto the inactive list. */
 	i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
-	seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS);
+	seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS,
+			&dev_priv->render_ring);
 	if (seqno == 0)
 		return -ENOMEM;
+	ret = i915_wait_request(dev, seqno, &dev_priv->render_ring);
 
-	return i915_wait_request(dev, seqno);
+	return ret;
 }
 
 static int
@@ -2117,7 +2083,7 @@ i915_gem_evict_everything(struct drm_device *dev)
 	spin_lock(&dev_priv->mm.active_list_lock);
 	lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
 		       list_empty(&dev_priv->mm.flushing_list) &&
-		       list_empty(&dev_priv->mm.active_list));
+		       list_empty(&dev_priv->render_ring.active_list));
 	spin_unlock(&dev_priv->mm.active_list_lock);
 
 	if (lists_empty)
@@ -2137,7 +2103,7 @@ i915_gem_evict_everything(struct drm_device *dev)
 	spin_lock(&dev_priv->mm.active_list_lock);
 	lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
 		       list_empty(&dev_priv->mm.flushing_list) &&
-		       list_empty(&dev_priv->mm.active_list));
+		       list_empty(&dev_priv->render_ring.active_list));
 	spin_unlock(&dev_priv->mm.active_list_lock);
 	BUG_ON(!lists_empty);
 
@@ -2151,8 +2117,9 @@ i915_gem_evict_something(struct drm_device *dev, int min_size)
 	struct drm_gem_object *obj;
 	int ret;
 
+	struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
 	for (;;) {
-		i915_gem_retire_requests(dev);
+		i915_gem_retire_requests(dev, render_ring);
 
 		/* If there's an inactive buffer available now, grab it
 		 * and be done.
@@ -2176,14 +2143,15 @@ i915_gem_evict_something(struct drm_device *dev, int min_size)
 		 * things, wait for the next to finish and hopefully leave us
 		 * a buffer to evict.
 		 */
-		if (!list_empty(&dev_priv->mm.request_list)) {
+		if (!list_empty(&render_ring->request_list)) {
 			struct drm_i915_gem_request *request;
 
-			request = list_first_entry(&dev_priv->mm.request_list,
-						   struct drm_i915_gem_request,
+			request = list_first_entry(&render_ring->request_list,
+						struct drm_i915_gem_request,
 						   list);
 
-			ret = i915_wait_request(dev, request->seqno);
+			ret = i915_wait_request(dev,
+					request->seqno, request->ring);
 			if (ret)
 				return ret;
 
@@ -2210,10 +2178,13 @@ i915_gem_evict_something(struct drm_device *dev, int min_size)
 			if (obj != NULL) {
 				uint32_t seqno;
 
-				i915_gem_flush(dev,
+				i915_gem_flush_ring(dev,
 					       obj->write_domain,
-					       obj->write_domain);
-				seqno = i915_add_request(dev, NULL, obj->write_domain);
+					       obj->write_domain,
+					       obj_priv->ring);
+				seqno = i915_add_request(dev, NULL,
+						obj->write_domain,
+						obj_priv->ring);
 				if (seqno == 0)
 					return -ENOMEM;
 				continue;
@@ -2749,14 +2720,13 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
 {
 	struct drm_device *dev = obj->dev;
 	uint32_t old_write_domain;
-
+	struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
 	if ((obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
 		return;
-
 	/* Queue the GPU write cache flushing we need. */
 	old_write_domain = obj->write_domain;
 	i915_gem_flush(dev, 0, obj->write_domain);
-	(void) i915_add_request(dev, NULL, obj->write_domain);
+	(void) i915_add_request(dev, NULL, obj->write_domain, obj_priv->ring);
 	BUG_ON(obj->write_domain);
 
 	trace_i915_gem_object_change_domain(obj,
@@ -2833,11 +2803,9 @@ i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj, int write)
 	struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
 	uint32_t old_write_domain, old_read_domains;
 	int ret;
-
 	/* Not valid to be called on unbound objects. */
 	if (obj_priv->gtt_space == NULL)
 		return -EINVAL;
-
 	i915_gem_object_flush_gpu_write_domain(obj);
 	/* Wait on any GPU rendering and flushing to occur. */
 	ret = i915_gem_object_wait_rendering(obj);
@@ -2896,7 +2864,10 @@ i915_gem_object_set_to_display_plane(struct drm_gem_object *obj)
 		DRM_INFO("%s: object %p wait for seqno %08x\n",
 			  __func__, obj, obj_priv->last_rendering_seqno);
 #endif
-		ret = i915_do_wait_request(dev, obj_priv->last_rendering_seqno, 0);
+		ret = i915_do_wait_request(dev,
+				obj_priv->last_rendering_seqno,
+				0,
+				obj_priv->ring);
 		if (ret != 0)
 			return ret;
 	}
@@ -3487,61 +3458,6 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
 	return 0;
 }
 
-/** Dispatch a batchbuffer to the ring
- */
-static int
-i915_dispatch_gem_execbuffer(struct drm_device *dev,
-			      struct drm_i915_gem_execbuffer2 *exec,
-			      struct drm_clip_rect *cliprects,
-			      uint64_t exec_offset)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	int nbox = exec->num_cliprects;
-	int i = 0, count;
-	uint32_t exec_start, exec_len;
-
-	exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
-	exec_len = (uint32_t) exec->batch_len;
-
-	trace_i915_gem_request_submit(dev, dev_priv->mm.next_gem_seqno + 1);
-
-	count = nbox ? nbox : 1;
-
-	for (i = 0; i < count; i++) {
-		if (i < nbox) {
-			int ret = i915_emit_box(dev, cliprects, i,
-						exec->DR1, exec->DR4);
-			if (ret)
-				return ret;
-		}
-
-		if (IS_I830(dev) || IS_845G(dev)) {
-			BEGIN_LP_RING(4);
-			OUT_RING(MI_BATCH_BUFFER);
-			OUT_RING(exec_start | MI_BATCH_NON_SECURE);
-			OUT_RING(exec_start + exec_len - 4);
-			OUT_RING(0);
-			ADVANCE_LP_RING();
-		} else {
-			BEGIN_LP_RING(2);
-			if (IS_I965G(dev)) {
-				OUT_RING(MI_BATCH_BUFFER_START |
-					 (2 << 6) |
-					 MI_BATCH_NON_SECURE_I965);
-				OUT_RING(exec_start);
-			} else {
-				OUT_RING(MI_BATCH_BUFFER_START |
-					 (2 << 6));
-				OUT_RING(exec_start | MI_BATCH_NON_SECURE);
-			}
-			ADVANCE_LP_RING();
-		}
-	}
-
-	/* XXX breadcrumb */
-	return 0;
-}
-
 /* Throttle our rendering by waiting until the ring has completed our requests
  * emitted over 20 msec ago.
  *
@@ -3570,7 +3486,7 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file_priv)
 		if (time_after_eq(request->emitted_jiffies, recent_enough))
 			break;
 
-		ret = i915_wait_request(dev, request->seqno);
+		ret = i915_wait_request(dev, request->seqno, request->ring);
 		if (ret != 0)
 			break;
 	}
@@ -3727,6 +3643,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 	uint32_t seqno, flush_domains, reloc_index;
 	int pin_tries, flips;
 
+	struct intel_ring_buffer *ring = NULL;
+
 #if WATCH_EXEC
 	DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
 		  (int) args->buffers_ptr, args->buffer_count, args->batch_len);
@@ -3784,6 +3702,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 		goto pre_mutex_err;
 	}
 
+	ring = &dev_priv->render_ring;
+
 	/* Look up object handles */
 	flips = 0;
 	for (i = 0; i < args->buffer_count; i++) {
@@ -3917,9 +3837,12 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 		i915_gem_flush(dev,
 			       dev->invalidate_domains,
 			       dev->flush_domains);
-		if (dev->flush_domains & I915_GEM_GPU_DOMAINS)
+		if (dev->flush_domains & I915_GEM_GPU_DOMAINS) {
 			(void)i915_add_request(dev, file_priv,
-					       dev->flush_domains);
+					dev->flush_domains,
+					&dev_priv->render_ring);
+
+		}
 	}
 
 	for (i = 0; i < args->buffer_count; i++) {
@@ -3956,7 +3879,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 #endif
 
 	/* Exec the batchbuffer */
-	ret = i915_dispatch_gem_execbuffer(dev, args, cliprects, exec_offset);
+	ret = ring->dispatch_gem_execbuffer(dev, ring, args,
+			cliprects, exec_offset);
 	if (ret) {
 		DRM_ERROR("dispatch failed %d\n", ret);
 		goto err;
@@ -3966,7 +3890,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 	 * Ensure that the commands in the batch buffer are
 	 * finished before the interrupt fires
 	 */
-	flush_domains = i915_retire_commands(dev);
+	flush_domains = i915_retire_commands(dev, ring);
 
 	i915_verify_inactive(dev, __FILE__, __LINE__);
 
@@ -3977,12 +3901,13 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 	 * *some* interrupts representing completion of buffers that we can
 	 * wait on when trying to clear up gtt space).
 	 */
-	seqno = i915_add_request(dev, file_priv, flush_domains);
+	seqno = i915_add_request(dev, file_priv, flush_domains, ring);
 	BUG_ON(seqno == 0);
 	for (i = 0; i < args->buffer_count; i++) {
 		struct drm_gem_object *obj = object_list[i];
+		obj_priv = to_intel_bo(obj);
 
-		i915_gem_object_move_to_active(obj, seqno);
+		i915_gem_object_move_to_active(obj, seqno, ring);
 #if WATCH_LRU
 		DRM_INFO("%s: move to exec list %p\n", __func__, obj);
 #endif
@@ -4094,7 +4019,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	exec2.DR4 = args->DR4;
 	exec2.num_cliprects = args->num_cliprects;
 	exec2.cliprects_ptr = args->cliprects_ptr;
-	exec2.flags = 0;
+	exec2.flags = I915_EXEC_RENDER;
 
 	ret = i915_gem_do_execbuffer(dev, data, file_priv, &exec2, exec2_list);
 	if (!ret) {
@@ -4181,6 +4106,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
 	int ret;
 
 	i915_verify_inactive(dev, __FILE__, __LINE__);
+
 	if (obj_priv->gtt_space == NULL) {
 		ret = i915_gem_object_bind_to_gtt(obj, alignment);
 		if (ret)
@@ -4333,6 +4259,7 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
 	struct drm_i915_gem_busy *args = data;
 	struct drm_gem_object *obj;
 	struct drm_i915_gem_object *obj_priv;
+	drm_i915_private_t *dev_priv = dev->dev_private;
 
 	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
 	if (obj == NULL) {
@@ -4347,7 +4274,7 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
 	 * actually unmasked, and our working set ends up being larger than
 	 * required.
 	 */
-	i915_gem_retire_requests(dev);
+	i915_gem_retire_requests(dev, &dev_priv->render_ring);
 
 	obj_priv = to_intel_bo(obj);
 	/* Don't count being on the flushing list against the object being
@@ -4429,7 +4356,6 @@ struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
 	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
 	if (obj == NULL)
 		return NULL;
-
 	if (drm_gem_object_init(dev, &obj->base, size) != 0) {
 		kfree(obj);
 		return NULL;
@@ -4515,7 +4441,7 @@ i915_gem_idle(struct drm_device *dev)
 	mutex_lock(&dev->struct_mutex);
 
 	if (dev_priv->mm.suspended ||
-			dev_priv->render_ring.gem_object == NULL) {
+			(dev_priv->render_ring.gem_object == NULL)) {
 		mutex_unlock(&dev->struct_mutex);
 		return 0;
 	}
@@ -4596,7 +4522,6 @@ err:
 	return ret;
 }
 
-
 static void
 i915_gem_cleanup_pipe_control(struct drm_device *dev)
 {
@@ -4670,12 +4595,12 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
 	}
 
 	spin_lock(&dev_priv->mm.active_list_lock);
-	BUG_ON(!list_empty(&dev_priv->mm.active_list));
+	BUG_ON(!list_empty(&dev_priv->render_ring.active_list));
 	spin_unlock(&dev_priv->mm.active_list_lock);
 
 	BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
 	BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
-	BUG_ON(!list_empty(&dev_priv->mm.request_list));
+	BUG_ON(!list_empty(&dev_priv->render_ring.request_list));
 	mutex_unlock(&dev->struct_mutex);
 
 	drm_irq_install(dev);
@@ -4714,18 +4639,16 @@ i915_gem_load(struct drm_device *dev)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 
 	spin_lock_init(&dev_priv->mm.active_list_lock);
-	INIT_LIST_HEAD(&dev_priv->mm.active_list);
 	INIT_LIST_HEAD(&dev_priv->mm.flushing_list);
 	INIT_LIST_HEAD(&dev_priv->mm.gpu_write_list);
 	INIT_LIST_HEAD(&dev_priv->mm.inactive_list);
-	INIT_LIST_HEAD(&dev_priv->mm.request_list);
 	INIT_LIST_HEAD(&dev_priv->mm.fence_list);
+	INIT_LIST_HEAD(&dev_priv->render_ring.active_list);
+	INIT_LIST_HEAD(&dev_priv->render_ring.request_list);
 	for (i = 0; i < 16; i++)
 		INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
 	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
 			  i915_gem_retire_work_handler);
-	dev_priv->mm.next_gem_seqno = 1;
-
 	spin_lock(&shrink_list_lock);
 	list_add(&dev_priv->mm.shrink_list, &shrink_list);
 	spin_unlock(&shrink_list_lock);
@@ -4957,7 +4880,7 @@ i915_gpu_is_active(struct drm_device *dev)
 
 	spin_lock(&dev_priv->mm.active_list_lock);
 	lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
-		      list_empty(&dev_priv->mm.active_list);
+		      list_empty(&dev_priv->render_ring.active_list);
 	spin_unlock(&dev_priv->mm.active_list_lock);
 
 	return !lists_empty;
@@ -5002,8 +4925,7 @@ rescan:
 			continue;
 
 		spin_unlock(&shrink_list_lock);
-
-		i915_gem_retire_requests(dev);
+		i915_gem_retire_requests(dev, &dev_priv->render_ring);
 
 		list_for_each_entry_safe(obj_priv, next_obj,
 					 &dev_priv->mm.inactive_list,
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index cbc42dd..d4a8ca9 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -74,7 +74,7 @@ ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
 	}
 }
 
-inline void
+void
 ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
 {
 	if ((dev_priv->gt_irq_mask_reg & mask) != mask) {
@@ -332,7 +332,7 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
 	int ret = IRQ_NONE;
 	u32 de_iir, gt_iir, de_ier, pch_iir;
 	struct drm_i915_master_private *master_priv;
-
+	struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
 	/* disable master interrupt before clearing iir  */
 	de_ier = I915_READ(DEIER);
 	I915_WRITE(DEIER, de_ier & ~DE_MASTER_IRQ_CONTROL);
@@ -355,10 +355,10 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
 	}
 
 	if (gt_iir & GT_PIPE_NOTIFY) {
-		u32 seqno = i915_get_gem_seqno(dev);
-		dev_priv->mm.irq_gem_seqno = seqno;
+		u32 seqno = render_ring->get_gem_seqno(dev, render_ring);
+		render_ring->irq_gem_seqno = seqno;
 		trace_i915_gem_request_complete(dev, seqno);
-		DRM_WAKEUP(&dev_priv->irq_queue);
+		DRM_WAKEUP(&dev_priv->render_ring.irq_queue);
 		dev_priv->hangcheck_count = 0;
 		mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
 	}
@@ -585,7 +585,7 @@ static void i915_capture_error_state(struct drm_device *dev)
 		return;
 	}
 
-	error->seqno = i915_get_gem_seqno(dev);
+	error->seqno = i915_get_gem_seqno(dev, &dev_priv->render_ring);
 	error->eir = I915_READ(EIR);
 	error->pgtbl_er = I915_READ(PGTBL_ER);
 	error->pipeastat = I915_READ(PIPEASTAT);
@@ -613,7 +613,9 @@ static void i915_capture_error_state(struct drm_device *dev)
 	batchbuffer[0] = NULL;
 	batchbuffer[1] = NULL;
 	count = 0;
-	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+	list_for_each_entry(obj_priv,
+			&dev_priv->render_ring.active_list, list) {
+
 		struct drm_gem_object *obj = &obj_priv->base;
 
 		if (batchbuffer[0] == NULL &&
@@ -640,6 +642,7 @@ static void i915_capture_error_state(struct drm_device *dev)
 	error->ringbuffer = i915_error_object_create(dev,
 			dev_priv->render_ring.gem_object);
 
+
 	/* Record buffers on the active list. */
 	error->active_bo = NULL;
 	error->active_bo_count = 0;
@@ -650,7 +653,8 @@ static void i915_capture_error_state(struct drm_device *dev)
 
 	if (error->active_bo) {
 		int i = 0;
-		list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+		list_for_each_entry(obj_priv,
+				&dev_priv->render_ring.active_list, list) {
 			struct drm_gem_object *obj = &obj_priv->base;
 
 			error->active_bo[i].size = obj->size;
@@ -828,7 +832,7 @@ static void i915_handle_error(struct drm_device *dev, bool wedged)
 		/*
 		 * Wakeup waiting processes so they don't hang
 		 */
-		DRM_WAKEUP(&dev_priv->irq_queue);
+		DRM_WAKEUP(&dev_priv->render_ring.irq_queue);
 	}
 
 	queue_work(dev_priv->wq, &dev_priv->error_work);
@@ -847,6 +851,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 	unsigned long irqflags;
 	int irq_received;
 	int ret = IRQ_NONE;
+	struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
 
 	atomic_inc(&dev_priv->irq_received);
 
@@ -927,10 +932,11 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		}
 
 		if (iir & I915_USER_INTERRUPT) {
-			u32 seqno = i915_get_gem_seqno(dev);
-			dev_priv->mm.irq_gem_seqno = seqno;
+			u32 seqno =
+				render_ring->get_gem_seqno(dev, render_ring);
+			render_ring->irq_gem_seqno = seqno;
 			trace_i915_gem_request_complete(dev, seqno);
-			DRM_WAKEUP(&dev_priv->irq_queue);
+			DRM_WAKEUP(&dev_priv->render_ring.irq_queue);
 			dev_priv->hangcheck_count = 0;
 			mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
 		}
@@ -1002,6 +1008,7 @@ static int i915_emit_irq(struct drm_device * dev)
 	return dev_priv->counter;
 }
 
+
 void i915_trace_irq_get(struct drm_device *dev, u32 seqno)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -1033,7 +1040,7 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
 		master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
 
 	render_ring->user_irq_get(dev, render_ring);
-	DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
+	DRM_WAIT_ON(ret, dev_priv->render_ring.irq_queue, 3 * DRM_HZ,
 		    READ_BREADCRUMB(dev_priv) >= irq_nr);
 	render_ring->user_irq_put(dev, render_ring);
 
@@ -1200,9 +1207,12 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 	return -EINVAL;
 }
 
-struct drm_i915_gem_request *i915_get_tail_request(struct drm_device *dev) {
+struct drm_i915_gem_request *
+i915_get_tail_request(struct drm_device *dev)
+{
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	return list_entry(dev_priv->mm.request_list.prev, struct drm_i915_gem_request, list);
+	return list_entry(dev_priv->render_ring.request_list.prev,
+			struct drm_i915_gem_request, list);
 }
 
 /**
@@ -1227,8 +1237,10 @@ void i915_hangcheck_elapsed(unsigned long data)
 		acthd = I915_READ(ACTHD_I965);
 
 	/* If all work is done then ACTHD clearly hasn't advanced. */
-	if (list_empty(&dev_priv->mm.request_list) ||
-		       i915_seqno_passed(i915_get_gem_seqno(dev), i915_get_tail_request(dev)->seqno)) {
+	if (list_empty(&dev_priv->render_ring.request_list) ||
+		i915_seqno_passed(i915_get_gem_seqno(dev,
+				&dev_priv->render_ring),
+			i915_get_tail_request(dev)->seqno)) {
 		dev_priv->hangcheck_count = 0;
 		return;
 	}
@@ -1295,7 +1307,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
 	(void) I915_READ(DEIER);
 
 	/* user interrupt should be enabled, but masked initial */
-	dev_priv->gt_irq_mask_reg = 0xffffffff;
+	dev_priv->gt_irq_mask_reg = ~render_mask;
 	dev_priv->gt_irq_enable_reg = render_mask;
 
 	I915_WRITE(GTIIR, I915_READ(GTIIR));
@@ -1358,7 +1370,7 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
 	u32 enable_mask = I915_INTERRUPT_ENABLE_FIX | I915_INTERRUPT_ENABLE_VAR;
 	u32 error_mask;
 
-	DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
+	DRM_INIT_WAITQUEUE(&dev_priv->render_ring.irq_queue);
 
 	dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
 
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 93da837..d7ad513 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -212,6 +212,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 {
 	struct drm_device *dev = overlay->dev;
 	int ret;
+	drm_i915_private_t *dev_priv = dev->dev_private;
 
 	BUG_ON(overlay->active);
 
@@ -225,11 +226,13 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 	OUT_RING(MI_NOOP);
 	ADVANCE_LP_RING();
 
-	overlay->last_flip_req = i915_add_request(dev, NULL, 0);
+	overlay->last_flip_req =
+		i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
 	if (overlay->last_flip_req == 0)
 		return -ENOMEM;
 
-	ret = i915_do_wait_request(dev, overlay->last_flip_req, 1);
+	ret = i915_do_wait_request(dev,
+			overlay->last_flip_req, 1, &dev_priv->render_ring);
 	if (ret != 0)
 		return ret;
 
@@ -262,7 +265,8 @@ static void intel_overlay_continue(struct intel_overlay *overlay,
 	OUT_RING(flip_addr);
         ADVANCE_LP_RING();
 
-	overlay->last_flip_req = i915_add_request(dev, NULL, 0);
+	overlay->last_flip_req =
+		i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
 }
 
 static int intel_overlay_wait_flip(struct intel_overlay *overlay)
@@ -273,7 +277,8 @@ static int intel_overlay_wait_flip(struct intel_overlay *overlay)
 	u32 tmp;
 
 	if (overlay->last_flip_req != 0) {
-		ret = i915_do_wait_request(dev, overlay->last_flip_req, 1);
+		ret = i915_do_wait_request(dev, overlay->last_flip_req,
+				1, &dev_priv->render_ring);
 		if (ret == 0) {
 			overlay->last_flip_req = 0;
 
@@ -292,11 +297,13 @@ static int intel_overlay_wait_flip(struct intel_overlay *overlay)
         OUT_RING(MI_NOOP);
         ADVANCE_LP_RING();
 
-	overlay->last_flip_req = i915_add_request(dev, NULL, 0);
+	overlay->last_flip_req =
+		i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
 	if (overlay->last_flip_req == 0)
 		return -ENOMEM;
 
-	ret = i915_do_wait_request(dev, overlay->last_flip_req, 1);
+	ret = i915_do_wait_request(dev, overlay->last_flip_req,
+			1, &dev_priv->render_ring);
 	if (ret != 0)
 		return ret;
 
@@ -310,6 +317,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 {
 	u32 flip_addr = overlay->flip_addr;
 	struct drm_device *dev = overlay->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
 	int ret;
 
 	BUG_ON(!overlay->active);
@@ -330,11 +338,13 @@ static int intel_overlay_off(struct intel_overlay *overlay)
         OUT_RING(MI_NOOP);
         ADVANCE_LP_RING();
 
-	overlay->last_flip_req = i915_add_request(dev, NULL, 0);
+	overlay->last_flip_req =
+		i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
 	if (overlay->last_flip_req == 0)
 		return -ENOMEM;
 
-	ret = i915_do_wait_request(dev, overlay->last_flip_req, 1);
+	ret = i915_do_wait_request(dev, overlay->last_flip_req,
+			1, &dev_priv->render_ring);
 	if (ret != 0)
 		return ret;
 
@@ -348,11 +358,13 @@ static int intel_overlay_off(struct intel_overlay *overlay)
         OUT_RING(MI_NOOP);
 	ADVANCE_LP_RING();
 
-	overlay->last_flip_req = i915_add_request(dev, NULL, 0);
+	overlay->last_flip_req =
+		i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
 	if (overlay->last_flip_req == 0)
 		return -ENOMEM;
 
-	ret = i915_do_wait_request(dev, overlay->last_flip_req, 1);
+	ret = i915_do_wait_request(dev, overlay->last_flip_req,
+			1, &dev_priv->render_ring);
 	if (ret != 0)
 		return ret;
 
@@ -385,6 +397,7 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
 {
 	struct drm_device *dev = overlay->dev;
 	struct drm_gem_object *obj;
+	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 flip_addr;
 	int ret;
 
@@ -392,12 +405,14 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
 		return -EIO;
 
 	if (overlay->last_flip_req == 0) {
-		overlay->last_flip_req = i915_add_request(dev, NULL, 0);
+		overlay->last_flip_req =
+			i915_add_request(dev, NULL, 0, &dev_priv->render_ring);
 		if (overlay->last_flip_req == 0)
 			return -ENOMEM;
 	}
 
-	ret = i915_do_wait_request(dev, overlay->last_flip_req, interruptible);
+	ret = i915_do_wait_request(dev, overlay->last_flip_req,
+			interruptible, &dev_priv->render_ring);
 	if (ret != 0)
 		return ret;
 
@@ -421,12 +436,13 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
 			OUT_RING(MI_NOOP);
 			ADVANCE_LP_RING();
 
-			overlay->last_flip_req = i915_add_request(dev, NULL, 0);
+			overlay->last_flip_req = i915_add_request(dev, NULL,
+					0, &dev_priv->render_ring);
 			if (overlay->last_flip_req == 0)
 				return -ENOMEM;
 
 			ret = i915_do_wait_request(dev, overlay->last_flip_req,
-					interruptible);
+					interruptible, &dev_priv->render_ring);
 			if (ret != 0)
 				return ret;
 
-- 
1.7.1




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