[PATCH 06/81] drm/i915: Extend magic to_i915() to work with drm_i915_gem_object

Chris Wilson chris at chris-wilson.co.uk
Sat Apr 16 12:50:01 UTC 2016


Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_debugfs.c        |  7 ++---
 drivers/gpu/drm/i915/i915_drv.h            | 18 ++++++-----
 drivers/gpu/drm/i915/i915_gem.c            | 48 +++++++++++-------------------
 drivers/gpu/drm/i915/i915_gem_execbuffer.c | 21 +++++--------
 drivers/gpu/drm/i915/i915_gem_fence.c      |  8 ++---
 drivers/gpu/drm/i915/i915_gem_gtt.c        |  5 ++--
 drivers/gpu/drm/i915/i915_gem_shrinker.c   |  2 +-
 drivers/gpu/drm/i915/i915_gem_stolen.c     |  4 +--
 drivers/gpu/drm/i915/i915_gem_tiling.c     |  4 +--
 drivers/gpu/drm/i915/i915_gem_userptr.c    |  6 ++--
 drivers/gpu/drm/i915/intel_ringbuffer.c    |  2 +-
 11 files changed, 54 insertions(+), 71 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 931dc6086f3b..f5f9f48f8001 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -135,7 +135,6 @@ static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj)
 static void
 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
 	struct intel_engine_cs *engine;
 	struct i915_vma *vma;
 	int pin_count = 0;
@@ -153,13 +152,13 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 		   obj->base.size / 1024,
 		   obj->base.read_domains,
 		   obj->base.write_domain);
-	for_each_engine_id(engine, dev_priv, id)
+	for_each_engine_id(engine, obj, id)
 		seq_printf(m, "%x ",
 				i915_gem_request_get_seqno(obj->last_read_req[id]));
 	seq_printf(m, "] %x %x%s%s%s",
 		   i915_gem_request_get_seqno(obj->last_write_req),
 		   i915_gem_request_get_seqno(obj->last_fenced_req),
-		   i915_cache_level_str(to_i915(obj->base.dev), obj->cache_level),
+		   i915_cache_level_str(to_i915(obj), obj->cache_level),
 		   obj->dirty ? " dirty" : "",
 		   obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
 	if (obj->base.name)
@@ -349,7 +348,7 @@ static int per_file_stats(int id, void *ptr, void *data)
 	if (obj->base.name || obj->base.dma_buf)
 		stats->shared += obj->base.size;
 
-	if (USES_FULL_PPGTT(obj->base.dev)) {
+	if (USES_FULL_PPGTT(obj)) {
 		list_for_each_entry(vma, &obj->vma_list, obj_link) {
 			struct i915_hw_ppgtt *ppgtt;
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0a62354ba53d..282d89d097ae 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2229,6 +2229,12 @@ struct drm_i915_gem_object {
 };
 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
 
+static inline struct drm_i915_private *
+__obj_to_i915(const struct drm_i915_gem_object *obj)
+{
+	return __to_i915(obj->base.dev);
+}
+
 void i915_gem_track_fb(struct drm_i915_gem_object *old,
 		       struct drm_i915_gem_object *new,
 		       unsigned frontbuffer_bits);
@@ -2498,6 +2504,8 @@ struct drm_i915_cmd_table {
 		__p = (struct drm_i915_private *)p; \
 	else if (__builtin_types_compatible_p(typeof(*p), struct drm_device)) \
 		__p = __to_i915((struct drm_device *)p); \
+	else if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_gem_object)) \
+		__p = __obj_to_i915((struct drm_i915_gem_object *)p); \
 	else \
 		BUILD_BUG(); \
 	__p; \
@@ -3254,8 +3262,7 @@ static inline bool i915_gem_obj_ggtt_bound(struct drm_i915_gem_object *obj)
 static inline unsigned long
 i915_gem_obj_ggtt_size(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &dev_priv->ggtt;
+	struct i915_ggtt *ggtt = &to_i915(obj)->ggtt;
 
 	return i915_gem_obj_size(obj, &ggtt->base);
 }
@@ -3265,8 +3272,7 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
 		      uint32_t alignment,
 		      unsigned flags)
 {
-	struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &dev_priv->ggtt;
+	struct i915_ggtt *ggtt = &to_i915(obj)->ggtt;
 
 	return i915_gem_object_pin(obj, &ggtt->base,
 				   alignment, flags | PIN_GLOBAL);
@@ -3392,9 +3398,7 @@ void i915_gem_shrinker_cleanup(struct drm_i915_private *dev_priv);
 /* i915_gem_tiling.c */
 static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
-
-	return dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
+	return to_i915(obj)->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
 		obj->tiling_mode != I915_TILING_NONE;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 2a0cb9b17ccd..bbd7bfadbaef 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -356,14 +356,12 @@ out:
 
 void *i915_gem_object_alloc(struct drm_device *dev)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	return kmem_cache_zalloc(dev_priv->objects, GFP_KERNEL);
+	return kmem_cache_zalloc(to_i915(dev)->objects, GFP_KERNEL);
 }
 
 void i915_gem_object_free(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
-	kmem_cache_free(dev_priv->objects, obj);
+	kmem_cache_free(to_i915(obj)->objects, obj);
 }
 
 static int
@@ -2019,7 +2017,7 @@ i915_gem_get_gtt_alignment(struct drm_device *dev, uint32_t size,
 
 static int i915_gem_object_create_mmap_offset(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	int ret;
 
 	if (drm_vma_node_has_offset(&obj->base.vma_node))
@@ -2240,7 +2238,7 @@ i915_gem_object_put_pages(struct drm_i915_gem_object *obj)
 static int
 i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	int page_count, i;
 	struct address_space *mapping;
 	struct sg_table *st;
@@ -2375,7 +2373,7 @@ err_pages:
 int
 i915_gem_object_get_pages(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	const struct drm_i915_gem_object_ops *ops = obj->ops;
 	int ret;
 
@@ -2495,8 +2493,7 @@ i915_gem_object_retire__read(struct drm_i915_gem_object *obj, int ring)
 	 * so that we don't steal from recently used but inactive objects
 	 * (unless we are forced to ofc!)
 	 */
-	list_move_tail(&obj->global_list,
-		       &to_i915(obj->base.dev)->mm.bound_list);
+	list_move_tail(&obj->global_list, &to_i915(obj)->mm.bound_list);
 
 	list_for_each_entry(vma, &obj->vma_list, obj_link) {
 		if (!list_empty(&vma->vm_link))
@@ -3218,7 +3215,7 @@ __i915_gem_object_sync(struct drm_i915_gem_object *obj,
 		return 0;
 
 	if (!i915_semaphore_is_enabled(obj->base.dev)) {
-		struct drm_i915_private *i915 = to_i915(obj->base.dev);
+		struct drm_i915_private *i915 = to_i915(obj);
 		ret = __i915_wait_request(from_req,
 					  i915->mm.interruptible,
 					  NULL,
@@ -3354,7 +3351,7 @@ static void i915_gem_object_finish_gtt(struct drm_i915_gem_object *obj)
 static int __i915_vma_unbind(struct i915_vma *vma, bool wait)
 {
 	struct drm_i915_gem_object *obj = vma->obj;
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	int ret;
 
 	if (list_empty(&vma->obj_link))
@@ -3758,9 +3755,6 @@ i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *obj)
 int
 i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
 {
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	uint32_t old_write_domain, old_read_domains;
 	struct i915_vma *vma;
 	int ret;
@@ -3815,7 +3809,7 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
 	vma = i915_gem_obj_to_ggtt(obj);
 	if (vma && drm_mm_node_allocated(&vma->node) && !obj->active)
 		list_move_tail(&vma->vm_link,
-			       &ggtt->base.inactive_list);
+			       &to_i915(obj)->ggtt.base.inactive_list);
 
 	return 0;
 }
@@ -3836,7 +3830,6 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
 int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 				    enum i915_cache_level cache_level)
 {
-	struct drm_device *dev = obj->base.dev;
 	struct i915_vma *vma, *next;
 	bool bound = false;
 	int ret = 0;
@@ -3882,7 +3875,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 		if (ret)
 			return ret;
 
-		if (!HAS_LLC(dev) && cache_level != I915_CACHE_NONE) {
+		if (!HAS_LLC(obj) && cache_level != I915_CACHE_NONE) {
 			/* Access to snoopable pages through the GTT is
 			 * incoherent and on some machines causes a hard
 			 * lockup. Relinquish the CPU mmaping to force
@@ -4053,7 +4046,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
 	 * with that bit in the PTE to main memory with just one PIPE_CONTROL.
 	 */
 	ret = i915_gem_object_set_cache_level(obj,
-					      HAS_WT(obj->base.dev) ? I915_CACHE_WT : I915_CACHE_NONE);
+					      HAS_WT(obj) ? I915_CACHE_WT : I915_CACHE_NONE);
 	if (ret)
 		goto err_unpin_display;
 
@@ -4250,7 +4243,7 @@ void __i915_vma_set_map_and_fenceable(struct i915_vma *vma)
 		     (vma->node.start & (fence_alignment - 1)) == 0);
 
 	mappable = (vma->node.start + fence_size <=
-		    to_i915(obj->base.dev)->ggtt.mappable_end);
+		    to_i915(obj)->ggtt.mappable_end);
 
 	obj->map_and_fenceable = mappable && fenceable;
 }
@@ -4262,7 +4255,7 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
 		       uint32_t alignment,
 		       uint64_t flags)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	struct i915_vma *vma;
 	unsigned bound;
 	int ret;
@@ -4344,9 +4337,7 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
 			 uint32_t alignment,
 			 uint64_t flags)
 {
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct i915_ggtt *ggtt = &dev_priv->ggtt;
+	struct i915_ggtt *ggtt = &to_i915(obj)->ggtt;
 
 	BUG_ON(!view);
 
@@ -4497,7 +4488,7 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj,
 	obj->fence_reg = I915_FENCE_REG_NONE;
 	obj->madv = I915_MADV_WILLNEED;
 
-	i915_gem_info_add_obj(obj->base.dev->dev_private, obj->base.size);
+	i915_gem_info_add_obj(to_i915(obj), obj->base.size);
 }
 
 static const struct drm_i915_gem_object_ops i915_gem_object_ops = {
@@ -4590,8 +4581,7 @@ static bool discard_backing_storage(struct drm_i915_gem_object *obj)
 void i915_gem_free_object(struct drm_gem_object *gem_obj)
 {
 	struct drm_i915_gem_object *obj = to_intel_bo(gem_obj);
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	struct i915_vma *vma, *next;
 
 	intel_runtime_pm_get(dev_priv);
@@ -4666,9 +4656,7 @@ struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
 struct i915_vma *i915_gem_obj_to_ggtt_view(struct drm_i915_gem_object *obj,
 					   const struct i915_ggtt_view *view)
 {
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct i915_ggtt *ggtt = &dev_priv->ggtt;
+	struct i915_ggtt *ggtt = &to_i915(obj)->ggtt;
 	struct i915_vma *vma;
 
 	BUG_ON(!view);
@@ -4693,7 +4681,7 @@ void i915_gem_vma_destroy(struct i915_vma *vma)
 
 	list_del(&vma->obj_link);
 
-	kmem_cache_free(to_i915(vma->obj->base.dev)->vmas, vma);
+	kmem_cache_free(to_i915(vma->obj)->vmas, vma);
 }
 
 static void
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 6f4f2a6cdf93..86911dcafb6a 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -241,7 +241,7 @@ static void eb_destroy(struct eb_vmas *eb)
 
 static inline int use_cpu_reloc(struct drm_i915_gem_object *obj)
 {
-	return (HAS_LLC(obj->base.dev) ||
+	return (HAS_LLC(obj) ||
 		obj->base.write_domain == I915_GEM_DOMAIN_CPU ||
 		obj->cache_level != I915_CACHE_NONE);
 }
@@ -276,7 +276,6 @@ relocate_entry_cpu(struct drm_i915_gem_object *obj,
 		   struct drm_i915_gem_relocation_entry *reloc,
 		   uint64_t target_offset)
 {
-	struct drm_device *dev = obj->base.dev;
 	uint32_t page_offset = offset_in_page(reloc->offset);
 	uint64_t delta = relocation_target(reloc, target_offset);
 	char *vaddr;
@@ -290,7 +289,7 @@ relocate_entry_cpu(struct drm_i915_gem_object *obj,
 				reloc->offset >> PAGE_SHIFT));
 	*(uint32_t *)(vaddr + page_offset) = lower_32_bits(delta);
 
-	if (INTEL_INFO(dev)->gen >= 8) {
+	if (INTEL_INFO(obj)->gen >= 8) {
 		page_offset = offset_in_page(page_offset + sizeof(uint32_t));
 
 		if (page_offset == 0) {
@@ -312,9 +311,7 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj,
 		   struct drm_i915_gem_relocation_entry *reloc,
 		   uint64_t target_offset)
 {
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct i915_ggtt *ggtt = &dev_priv->ggtt;
+	struct i915_ggtt *ggtt = &to_i915(obj)->ggtt;
 	uint64_t delta = relocation_target(reloc, target_offset);
 	uint64_t offset;
 	void __iomem *reloc_page;
@@ -335,7 +332,7 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj,
 					      offset & PAGE_MASK);
 	iowrite32(lower_32_bits(delta), reloc_page + offset_in_page(offset));
 
-	if (INTEL_INFO(dev)->gen >= 8) {
+	if (INTEL_INFO(obj)->gen >= 8) {
 		offset += sizeof(uint32_t);
 
 		if (offset_in_page(offset) == 0) {
@@ -368,7 +365,6 @@ relocate_entry_clflush(struct drm_i915_gem_object *obj,
 		       struct drm_i915_gem_relocation_entry *reloc,
 		       uint64_t target_offset)
 {
-	struct drm_device *dev = obj->base.dev;
 	uint32_t page_offset = offset_in_page(reloc->offset);
 	uint64_t delta = relocation_target(reloc, target_offset);
 	char *vaddr;
@@ -382,7 +378,7 @@ relocate_entry_clflush(struct drm_i915_gem_object *obj,
 				reloc->offset >> PAGE_SHIFT));
 	clflush_write32(vaddr + page_offset, lower_32_bits(delta));
 
-	if (INTEL_INFO(dev)->gen >= 8) {
+	if (INTEL_INFO(obj)->gen >= 8) {
 		page_offset = offset_in_page(page_offset + sizeof(uint32_t));
 
 		if (page_offset == 0) {
@@ -404,7 +400,6 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
 				   struct eb_vmas *eb,
 				   struct drm_i915_gem_relocation_entry *reloc)
 {
-	struct drm_device *dev = obj->base.dev;
 	struct drm_gem_object *target_obj;
 	struct drm_i915_gem_object *target_i915_obj;
 	struct i915_vma *target_vma;
@@ -423,7 +418,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
 	/* Sandybridge PPGTT errata: We need a global gtt mapping for MI and
 	 * pipe_control writes because the gpu doesn't properly redirect them
 	 * through the ppgtt for non_secure batchbuffers. */
-	if (unlikely(IS_GEN6(dev) &&
+	if (unlikely(IS_GEN6(obj) &&
 	    reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION)) {
 		ret = i915_vma_bind(target_vma, target_i915_obj->cache_level,
 				    PIN_GLOBAL);
@@ -465,7 +460,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
 
 	/* Check that the relocation address is valid... */
 	if (unlikely(reloc->offset >
-		obj->base.size - (INTEL_INFO(dev)->gen >= 8 ? 8 : 4))) {
+		obj->base.size - (INTEL_INFO(obj)->gen >= 8 ? 8 : 4))) {
 		DRM_DEBUG("Relocation beyond object bounds: "
 			  "obj %p target %d offset %d size %d.\n",
 			  obj, reloc->target_handle,
@@ -673,7 +668,7 @@ need_reloc_mappable(struct i915_vma *vma)
 		return false;
 
 	/* See also use_cpu_reloc() */
-	if (HAS_LLC(vma->obj->base.dev))
+	if (HAS_LLC(vma->obj))
 		return false;
 
 	if (vma->obj->base.write_domain == I915_GEM_DOMAIN_CPU)
diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c
index a2b938ec01a7..b1a3a5270bad 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence.c
@@ -229,7 +229,7 @@ static void i915_gem_object_update_fence(struct drm_i915_gem_object *obj,
 					 struct drm_i915_fence_reg *fence,
 					 bool enable)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	int reg = fence_number(dev_priv, fence);
 
 	i915_gem_write_fence(obj->base.dev, reg, enable ? obj : NULL);
@@ -286,7 +286,7 @@ i915_gem_object_wait_fence(struct drm_i915_gem_object *obj)
 int
 i915_gem_object_put_fence(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	struct drm_i915_fence_reg *fence;
 	int ret;
 
@@ -433,7 +433,7 @@ bool
 i915_gem_object_pin_fence(struct drm_i915_gem_object *obj)
 {
 	if (obj->fence_reg != I915_FENCE_REG_NONE) {
-		struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+		struct drm_i915_private *dev_priv = to_i915(obj);
 		struct i915_vma *ggtt_vma = i915_gem_obj_to_ggtt(obj);
 
 		WARN_ON(!ggtt_vma ||
@@ -457,7 +457,7 @@ void
 i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj)
 {
 	if (obj->fence_reg != I915_FENCE_REG_NONE) {
-		struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+		struct drm_i915_private *dev_priv = to_i915(obj);
 		WARN_ON(dev_priv->fence_regs[obj->fence_reg].pin_count <= 0);
 		dev_priv->fence_regs[obj->fence_reg].pin_count--;
 	}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 9f165feb54ae..627a4accc6e3 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3308,7 +3308,7 @@ __i915_gem_vma_create(struct drm_i915_gem_object *obj,
 	if (WARN_ON(i915_is_ggtt(vm) != !!ggtt_view))
 		return ERR_PTR(-EINVAL);
 
-	vma = kmem_cache_zalloc(to_i915(obj->base.dev)->vmas, GFP_KERNEL);
+	vma = kmem_cache_zalloc(to_i915(obj)->vmas, GFP_KERNEL);
 	if (vma == NULL)
 		return ERR_PTR(-ENOMEM);
 
@@ -3347,8 +3347,7 @@ struct i915_vma *
 i915_gem_obj_lookup_or_create_ggtt_vma(struct drm_i915_gem_object *obj,
 				       const struct i915_ggtt_view *view)
 {
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	struct i915_vma *vma = i915_gem_obj_to_ggtt_view(obj, view);
 
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index adde5d8c3c18..a261f60066f1 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -431,7 +431,7 @@ static bool can_migrate_page(struct drm_i915_gem_object *obj)
 
 static int do_migrate_page(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	int ret = 0;
 
 	if (!can_migrate_page(obj))
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index ea06da012d32..51da16d9eee0 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -546,10 +546,8 @@ static void i915_gem_object_put_pages_stolen(struct drm_i915_gem_object *obj)
 static void
 i915_gem_object_release_stolen(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
-
 	if (obj->stolen) {
-		i915_gem_stolen_remove_node(dev_priv, obj->stolen);
+		i915_gem_stolen_remove_node(to_i915(obj), obj->stolen);
 		kfree(obj->stolen);
 		obj->stolen = NULL;
 	}
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 7410f6c962e7..bc4cb7f4fe80 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -122,10 +122,10 @@ i915_gem_object_fence_ok(struct drm_i915_gem_object *obj, int tiling_mode)
 	if (tiling_mode == I915_TILING_NONE)
 		return true;
 
-	if (INTEL_INFO(obj->base.dev)->gen >= 4)
+	if (INTEL_INFO(obj)->gen >= 4)
 		return true;
 
-	if (INTEL_INFO(obj->base.dev)->gen == 3) {
+	if (INTEL_INFO(obj)->gen == 3) {
 		if (i915_gem_obj_ggtt_offset(obj) & ~I915_FENCE_START_MASK)
 			return false;
 	} else {
diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
index 32d9726e38b1..3692bdb0feeb 100644
--- a/drivers/gpu/drm/i915/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
@@ -344,7 +344,7 @@ __i915_mm_struct_find(struct drm_i915_private *dev_priv, struct mm_struct *real)
 static int
 i915_gem_userptr_init__mm_struct(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
+	struct drm_i915_private *dev_priv = to_i915(obj);
 	struct i915_mm_struct *mm;
 	int ret = 0;
 
@@ -368,7 +368,7 @@ i915_gem_userptr_init__mm_struct(struct drm_i915_gem_object *obj)
 		}
 
 		kref_init(&mm->kref);
-		mm->i915 = to_i915(obj->base.dev);
+		mm->i915 = to_i915(obj);
 
 		mm->mm = current->mm;
 		atomic_inc(&current->mm->mm_count);
@@ -417,7 +417,7 @@ i915_gem_userptr_release__mm_struct(struct drm_i915_gem_object *obj)
 
 	kref_put_mutex(&obj->userptr.mm->kref,
 		       __i915_mm_struct_free,
-		       &to_i915(obj->base.dev)->mm_lock);
+		       &to_i915(obj)->mm_lock);
 	obj->userptr.mm = NULL;
 }
 
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 0d24494904ef..89811fbe723e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -2083,7 +2083,7 @@ static int init_phys_status_page(struct intel_engine_cs *engine)
 
 void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
 {
-	if (HAS_LLC(ringbuf->obj->base.dev) && !ringbuf->obj->stolen)
+	if (HAS_LLC(ringbuf->obj) && !ringbuf->obj->stolen)
 		i915_gem_object_unpin_map(ringbuf->obj);
 	else
 		iounmap(ringbuf->virtual_start);
-- 
2.8.0.rc3



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