[Intel-gfx] [PATCH 2/6] drm/i915: Getter/setter for object attributes

Daniel Vetter daniel at ffwll.ch
Thu Jul 4 00:55:51 CEST 2013


On Wed, Jul 03, 2013 at 02:45:22PM -0700, Ben Widawsky wrote:
> Soon we want to gut a lot of our existing assumptions how many address
> spaces an object can live in, and in doing so, embed the drm_mm_node in
> the object (and later the VMA).
> 
> It's possible in the future we'll want to add more getter/setter
> methods, but for now this is enough to enable the VMAs.
> 
> v2: Reworked commit message (Ben)
> Added comments to the main functions (Ben)
> sed -i "s/i915_gem_obj_set_color/i915_gem_obj_ggtt_set_color/" drivers/gpu/drm/i915/*.[ch]
> sed -i "s/i915_gem_obj_bound/i915_gem_obj_ggtt_bound/" drivers/gpu/drm/i915/*.[ch]
> sed -i "s/i915_gem_obj_size/i915_gem_obj_ggtt_size/" drivers/gpu/drm/i915/*.[ch]
> sed -i "s/i915_gem_obj_offset/i915_gem_obj_ggtt_offset/" drivers/gpu/drm/i915/*.[ch]
> (Daniel)
> 
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>

[snip]

> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index fd0f589..496ed3a 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1227,7 +1227,7 @@ struct drm_i915_gem_object {
>  	const struct drm_i915_gem_object_ops *ops;
>  
>  	/** Current space allocated to this object in the GTT, if any. */
> -	struct drm_mm_node *gtt_space;
> +	struct drm_mm_node *ggtt_space;

Is this ...

>  	/** Stolen memory for this object, instead of being backed by shmem. */
>  	struct drm_mm_node *stolen;
>  	struct list_head global_list;
> @@ -1333,7 +1333,7 @@ struct drm_i915_gem_object {
>  	 *
>  	 * This is the same as gtt_space->start
>  	 */
> -	uint32_t gtt_offset;
> +	uint32_t ggtt_offset;

... and this intentional? Feels a bit like needless churn if we move the
entire thing into the vma rsn anyway. I can bikeshed while applying if
you're ok, need a solid testcase to improve my patch apply scripts anyway
;-)

Cheers, Daniel

>  
>  	struct intel_ring_buffer *ring;
>  
> @@ -1360,6 +1360,37 @@ struct drm_i915_gem_object {
>  
>  #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
>  
> +/* Offset of the first PTE pointing to this object */
> +static inline unsigned long
> +i915_gem_obj_ggtt_offset(struct drm_i915_gem_object *o)
> +{
> +	return o->ggtt_space->start;
> +}
> +
> +/* Whether or not this object is currently mapped by the translation tables */
> +static inline bool
> +i915_gem_obj_ggtt_bound(struct drm_i915_gem_object *o)
> +{
> +	return o->ggtt_space != NULL;
> +}
> +
> +/* The size used in the translation tables may be larger than the actual size of
> + * the object on GEN2/GEN3 because of the way tiling is handled. See
> + * i915_gem_get_gtt_size() for more details.
> + */
> +static inline unsigned long
> +i915_gem_obj_ggtt_size(struct drm_i915_gem_object *o)
> +{
> +	return o->ggtt_space->size;
> +}
> +
> +static inline void
> +i915_gem_obj_ggtt_set_color(struct drm_i915_gem_object *o,
> +			    enum i915_cache_level color)
> +{
> +	o->ggtt_space->color = color;
> +}
> +
>  /**
>   * Request queue structure.
>   *
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 4200c32..edd5b6d 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -135,7 +135,7 @@ int i915_mutex_lock_interruptible(struct drm_device *dev)
>  static inline bool
>  i915_gem_object_is_inactive(struct drm_i915_gem_object *obj)
>  {
> -	return obj->gtt_space && !obj->active;
> +	return i915_gem_obj_ggtt_bound(obj) && !obj->active;
>  }
>  
>  int
> @@ -178,7 +178,7 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
>  	mutex_lock(&dev->struct_mutex);
>  	list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
>  		if (obj->pin_count)
> -			pinned += obj->gtt_space->size;
> +			pinned += i915_gem_obj_ggtt_size(obj);
>  	mutex_unlock(&dev->struct_mutex);
>  
>  	args->aper_size = dev_priv->gtt.total;
> @@ -422,7 +422,7 @@ i915_gem_shmem_pread(struct drm_device *dev,
>  		 * anyway again before the next pread happens. */
>  		if (obj->cache_level == I915_CACHE_NONE)
>  			needs_clflush = 1;
> -		if (obj->gtt_space) {
> +		if (i915_gem_obj_ggtt_bound(obj)) {
>  			ret = i915_gem_object_set_to_gtt_domain(obj, false);
>  			if (ret)
>  				return ret;
> @@ -609,7 +609,7 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev,
>  	user_data = to_user_ptr(args->data_ptr);
>  	remain = args->size;
>  
> -	offset = obj->gtt_offset + args->offset;
> +	offset = i915_gem_obj_ggtt_offset(obj) + args->offset;
>  
>  	while (remain > 0) {
>  		/* Operation in this page
> @@ -739,7 +739,7 @@ i915_gem_shmem_pwrite(struct drm_device *dev,
>  		 * right away and we therefore have to clflush anyway. */
>  		if (obj->cache_level == I915_CACHE_NONE)
>  			needs_clflush_after = 1;
> -		if (obj->gtt_space) {
> +		if (i915_gem_obj_ggtt_bound(obj)) {
>  			ret = i915_gem_object_set_to_gtt_domain(obj, true);
>  			if (ret)
>  				return ret;
> @@ -1360,8 +1360,9 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
>  
>  	obj->fault_mappable = true;
>  
> -	pfn = ((dev_priv->gtt.mappable_base + obj->gtt_offset) >> PAGE_SHIFT) +
> -		page_offset;
> +	pfn = dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj);
> +	pfn >>= PAGE_SHIFT;
> +	pfn += page_offset;
>  
>  	/* Finally, remap it using the new GTT offset */
>  	ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
> @@ -1667,7 +1668,7 @@ i915_gem_object_put_pages(struct drm_i915_gem_object *obj)
>  	if (obj->pages == NULL)
>  		return 0;
>  
> -	BUG_ON(obj->gtt_space);
> +	BUG_ON(i915_gem_obj_ggtt_bound(obj));
>  
>  	if (obj->pages_pin_count)
>  		return -EBUSY;
> @@ -2117,8 +2118,8 @@ i915_gem_request_remove_from_client(struct drm_i915_gem_request *request)
>  
>  static bool i915_head_inside_object(u32 acthd, struct drm_i915_gem_object *obj)
>  {
> -	if (acthd >= obj->gtt_offset &&
> -	    acthd < obj->gtt_offset + obj->base.size)
> +	if (acthd >= i915_gem_obj_ggtt_offset(obj) &&
> +	    acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size)
>  		return true;
>  
>  	return false;
> @@ -2176,11 +2177,11 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
>  
>  	if (ring->hangcheck.action != wait &&
>  	    i915_request_guilty(request, acthd, &inside)) {
> -		DRM_ERROR("%s hung %s bo (0x%x ctx %d) at 0x%x\n",
> +		DRM_ERROR("%s hung %s bo (0x%lx ctx %d) at 0x%x\n",
>  			  ring->name,
>  			  inside ? "inside" : "flushing",
>  			  request->batch_obj ?
> -			  request->batch_obj->gtt_offset : 0,
> +			  i915_gem_obj_ggtt_offset(request->batch_obj) : 0,
>  			  request->ctx ? request->ctx->id : 0,
>  			  acthd);
>  
> @@ -2581,7 +2582,7 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
>  	drm_i915_private_t *dev_priv = obj->base.dev->dev_private;
>  	int ret;
>  
> -	if (obj->gtt_space == NULL)
> +	if (!i915_gem_obj_ggtt_bound(obj))
>  		return 0;
>  
>  	if (obj->pin_count)
> @@ -2620,9 +2621,9 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
>  	/* Avoid an unnecessary call to unbind on rebind. */
>  	obj->map_and_fenceable = true;
>  
> -	drm_mm_put_block(obj->gtt_space);
> -	obj->gtt_space = NULL;
> -	obj->gtt_offset = 0;
> +	drm_mm_put_block(obj->ggtt_space);
> +	obj->ggtt_space = NULL;
> +	obj->ggtt_offset = 0;
>  
>  	return 0;
>  }
> @@ -2664,11 +2665,11 @@ static void i965_write_fence_reg(struct drm_device *dev, int reg,
>  	}
>  
>  	if (obj) {
> -		u32 size = obj->gtt_space->size;
> +		u32 size = i915_gem_obj_ggtt_size(obj);
>  
> -		val = (uint64_t)((obj->gtt_offset + size - 4096) &
> +		val = (uint64_t)((i915_gem_obj_ggtt_offset(obj) + size - 4096) &
>  				 0xfffff000) << 32;
> -		val |= obj->gtt_offset & 0xfffff000;
> +		val |= i915_gem_obj_ggtt_offset(obj) & 0xfffff000;
>  		val |= (uint64_t)((obj->stride / 128) - 1) << fence_pitch_shift;
>  		if (obj->tiling_mode == I915_TILING_Y)
>  			val |= 1 << I965_FENCE_TILING_Y_SHIFT;
> @@ -2688,15 +2689,15 @@ static void i915_write_fence_reg(struct drm_device *dev, int reg,
>  	u32 val;
>  
>  	if (obj) {
> -		u32 size = obj->gtt_space->size;
> +		u32 size = i915_gem_obj_ggtt_size(obj);
>  		int pitch_val;
>  		int tile_width;
>  
> -		WARN((obj->gtt_offset & ~I915_FENCE_START_MASK) ||
> +		WARN((i915_gem_obj_ggtt_offset(obj) & ~I915_FENCE_START_MASK) ||
>  		     (size & -size) != size ||
> -		     (obj->gtt_offset & (size - 1)),
> -		     "object 0x%08x [fenceable? %d] not 1M or pot-size (0x%08x) aligned\n",
> -		     obj->gtt_offset, obj->map_and_fenceable, size);
> +		     (i915_gem_obj_ggtt_offset(obj) & (size - 1)),
> +		     "object 0x%08lx [fenceable? %d] not 1M or pot-size (0x%08x) aligned\n",
> +		     i915_gem_obj_ggtt_offset(obj), obj->map_and_fenceable, size);
>  
>  		if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
>  			tile_width = 128;
> @@ -2707,7 +2708,7 @@ static void i915_write_fence_reg(struct drm_device *dev, int reg,
>  		pitch_val = obj->stride / tile_width;
>  		pitch_val = ffs(pitch_val) - 1;
>  
> -		val = obj->gtt_offset;
> +		val = i915_gem_obj_ggtt_offset(obj);
>  		if (obj->tiling_mode == I915_TILING_Y)
>  			val |= 1 << I830_FENCE_TILING_Y_SHIFT;
>  		val |= I915_FENCE_SIZE_BITS(size);
> @@ -2732,19 +2733,19 @@ static void i830_write_fence_reg(struct drm_device *dev, int reg,
>  	uint32_t val;
>  
>  	if (obj) {
> -		u32 size = obj->gtt_space->size;
> +		u32 size = i915_gem_obj_ggtt_size(obj);
>  		uint32_t pitch_val;
>  
> -		WARN((obj->gtt_offset & ~I830_FENCE_START_MASK) ||
> +		WARN((i915_gem_obj_ggtt_offset(obj) & ~I830_FENCE_START_MASK) ||
>  		     (size & -size) != size ||
> -		     (obj->gtt_offset & (size - 1)),
> -		     "object 0x%08x not 512K or pot-size 0x%08x aligned\n",
> -		     obj->gtt_offset, size);
> +		     (i915_gem_obj_ggtt_offset(obj) & (size - 1)),
> +		     "object 0x%08lx not 512K or pot-size 0x%08x aligned\n",
> +		     i915_gem_obj_ggtt_offset(obj), size);
>  
>  		pitch_val = obj->stride / 128;
>  		pitch_val = ffs(pitch_val) - 1;
>  
> -		val = obj->gtt_offset;
> +		val = i915_gem_obj_ggtt_offset(obj);
>  		if (obj->tiling_mode == I915_TILING_Y)
>  			val |= 1 << I830_FENCE_TILING_Y_SHIFT;
>  		val |= I830_FENCE_SIZE_BITS(size);
> @@ -3033,8 +3034,8 @@ static void i915_gem_verify_gtt(struct drm_device *dev)
>  
>  		if (obj->cache_level != obj->gtt_space->color) {
>  			printk(KERN_ERR "object reserved space [%08lx, %08lx] with wrong color, cache_level=%x, color=%lx\n",
> -			       obj->gtt_space->start,
> -			       obj->gtt_space->start + obj->gtt_space->size,
> +			       i915_gem_obj_ggtt_offset(obj),
> +			       i915_gem_obj_ggtt_offset(obj) + i915_gem_obj_ggtt_size(obj),
>  			       obj->cache_level,
>  			       obj->gtt_space->color);
>  			err++;
> @@ -3045,8 +3046,8 @@ static void i915_gem_verify_gtt(struct drm_device *dev)
>  					      obj->gtt_space,
>  					      obj->cache_level)) {
>  			printk(KERN_ERR "invalid GTT space found at [%08lx, %08lx] - color=%x\n",
> -			       obj->gtt_space->start,
> -			       obj->gtt_space->start + obj->gtt_space->size,
> +			       i915_gem_obj_ggtt_offset(obj),
> +			       i915_gem_obj_ggtt_offset(obj) + i915_gem_obj_ggtt_size(obj),
>  			       obj->cache_level);
>  			err++;
>  			continue;
> @@ -3151,15 +3152,15 @@ search_free:
>  	list_move_tail(&obj->global_list, &dev_priv->mm.bound_list);
>  	list_add_tail(&obj->mm_list, &dev_priv->mm.inactive_list);
>  
> -	obj->gtt_space = node;
> -	obj->gtt_offset = node->start;
> +	obj->ggtt_space = node;
> +	obj->ggtt_offset = node->start;
>  
>  	fenceable =
>  		node->size == fence_size &&
>  		(node->start & (fence_alignment - 1)) == 0;
>  
> -	mappable =
> -		obj->gtt_offset + obj->base.size <= dev_priv->gtt.mappable_end;
> +	mappable = i915_gem_obj_ggtt_offset(obj) + obj->base.size <=
> +		dev_priv->gtt.mappable_end;
>  
>  	obj->map_and_fenceable = mappable && fenceable;
>  
> @@ -3261,7 +3262,7 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
>  	int ret;
>  
>  	/* Not valid to be called on unbound objects. */
> -	if (obj->gtt_space == NULL)
> +	if (!i915_gem_obj_ggtt_bound(obj))
>  		return -EINVAL;
>  
>  	if (obj->base.write_domain == I915_GEM_DOMAIN_GTT)
> @@ -3320,13 +3321,13 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
>  		return -EBUSY;
>  	}
>  
> -	if (!i915_gem_valid_gtt_space(dev, obj->gtt_space, cache_level)) {
> +	if (!i915_gem_valid_gtt_space(dev, obj->ggtt_space, cache_level)) {
>  		ret = i915_gem_object_unbind(obj);
>  		if (ret)
>  			return ret;
>  	}
>  
> -	if (obj->gtt_space) {
> +	if (i915_gem_obj_ggtt_bound(obj)) {
>  		ret = i915_gem_object_finish_gpu(obj);
>  		if (ret)
>  			return ret;
> @@ -3349,7 +3350,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
>  			i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
>  					       obj, cache_level);
>  
> -		obj->gtt_space->color = cache_level;
> +		i915_gem_obj_ggtt_set_color(obj, cache_level);
>  	}
>  
>  	if (cache_level == I915_CACHE_NONE) {
> @@ -3630,14 +3631,14 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
>  	if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
>  		return -EBUSY;
>  
> -	if (obj->gtt_space != NULL) {
> -		if ((alignment && obj->gtt_offset & (alignment - 1)) ||
> +	if (i915_gem_obj_ggtt_bound(obj)) {
> +		if ((alignment && i915_gem_obj_ggtt_offset(obj) & (alignment - 1)) ||
>  		    (map_and_fenceable && !obj->map_and_fenceable)) {
>  			WARN(obj->pin_count,
>  			     "bo is already pinned with incorrect alignment:"
> -			     " offset=%x, req.alignment=%x, req.map_and_fenceable=%d,"
> +			     " offset=%lx, req.alignment=%x, req.map_and_fenceable=%d,"
>  			     " obj->map_and_fenceable=%d\n",
> -			     obj->gtt_offset, alignment,
> +			     i915_gem_obj_ggtt_offset(obj), alignment,
>  			     map_and_fenceable,
>  			     obj->map_and_fenceable);
>  			ret = i915_gem_object_unbind(obj);
> @@ -3646,7 +3647,7 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
>  		}
>  	}
>  
> -	if (obj->gtt_space == NULL) {
> +	if (!i915_gem_obj_ggtt_bound(obj)) {
>  		struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
>  
>  		ret = i915_gem_object_bind_to_gtt(obj, alignment,
> @@ -3672,7 +3673,7 @@ void
>  i915_gem_object_unpin(struct drm_i915_gem_object *obj)
>  {
>  	BUG_ON(obj->pin_count == 0);
> -	BUG_ON(obj->gtt_space == NULL);
> +	BUG_ON(!i915_gem_obj_ggtt_bound(obj));
>  
>  	if (--obj->pin_count == 0)
>  		obj->pin_mappable = false;
> @@ -3722,7 +3723,7 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
>  	 * as the X server doesn't manage domains yet
>  	 */
>  	i915_gem_object_flush_cpu_write_domain(obj);
> -	args->offset = obj->gtt_offset;
> +	args->offset = i915_gem_obj_ggtt_offset(obj);
>  out:
>  	drm_gem_object_unreference(&obj->base);
>  unlock:
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
> index 51b7a21..2074544 100644
> --- a/drivers/gpu/drm/i915/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/i915_gem_context.c
> @@ -377,7 +377,7 @@ mi_set_context(struct intel_ring_buffer *ring,
>  
>  	intel_ring_emit(ring, MI_NOOP);
>  	intel_ring_emit(ring, MI_SET_CONTEXT);
> -	intel_ring_emit(ring, new_context->obj->gtt_offset |
> +	intel_ring_emit(ring, i915_gem_obj_ggtt_offset(new_context->obj) |
>  			MI_MM_SPACE_GTT |
>  			MI_SAVE_EXT_STATE_EN |
>  			MI_RESTORE_EXT_STATE_EN |
> diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
> index c86d5d9..5bbdea4 100644
> --- a/drivers/gpu/drm/i915/i915_gem_evict.c
> +++ b/drivers/gpu/drm/i915/i915_gem_evict.c
> @@ -38,7 +38,7 @@ mark_free(struct drm_i915_gem_object *obj, struct list_head *unwind)
>  		return false;
>  
>  	list_add(&obj->exec_list, unwind);
> -	return drm_mm_scan_add_block(obj->gtt_space);
> +	return drm_mm_scan_add_block(obj->ggtt_space);
>  }
>  
>  int
> @@ -107,7 +107,7 @@ none:
>  				       struct drm_i915_gem_object,
>  				       exec_list);
>  
> -		ret = drm_mm_scan_remove_block(obj->gtt_space);
> +		ret = drm_mm_scan_remove_block(obj->ggtt_space);
>  		BUG_ON(ret);
>  
>  		list_del_init(&obj->exec_list);
> @@ -127,7 +127,7 @@ found:
>  		obj = list_first_entry(&unwind_list,
>  				       struct drm_i915_gem_object,
>  				       exec_list);
> -		if (drm_mm_scan_remove_block(obj->gtt_space)) {
> +		if (drm_mm_scan_remove_block(obj->ggtt_space)) {
>  			list_move(&obj->exec_list, &eviction_list);
>  			drm_gem_object_reference(&obj->base);
>  			continue;
> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> index 87a3227..5aeb447 100644
> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -188,7 +188,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
>  		return -ENOENT;
>  
>  	target_i915_obj = to_intel_bo(target_obj);
> -	target_offset = target_i915_obj->gtt_offset;
> +	target_offset = i915_gem_obj_ggtt_offset(target_i915_obj);
>  
>  	/* Sandybridge PPGTT errata: We need a global gtt mapping for MI and
>  	 * pipe_control writes because the gpu doesn't properly redirect them
> @@ -280,7 +280,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
>  			return ret;
>  
>  		/* Map the page containing the relocation we're going to perform.  */
> -		reloc->offset += obj->gtt_offset;
> +		reloc->offset += i915_gem_obj_ggtt_offset(obj);
>  		reloc_page = io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
>  						      reloc->offset & PAGE_MASK);
>  		reloc_entry = (uint32_t __iomem *)
> @@ -436,8 +436,8 @@ i915_gem_execbuffer_reserve_object(struct drm_i915_gem_object *obj,
>  		obj->has_aliasing_ppgtt_mapping = 1;
>  	}
>  
> -	if (entry->offset != obj->gtt_offset) {
> -		entry->offset = obj->gtt_offset;
> +	if (entry->offset != i915_gem_obj_ggtt_offset(obj)) {
> +		entry->offset = i915_gem_obj_ggtt_offset(obj);
>  		*need_reloc = true;
>  	}
>  
> @@ -458,7 +458,7 @@ i915_gem_execbuffer_unreserve_object(struct drm_i915_gem_object *obj)
>  {
>  	struct drm_i915_gem_exec_object2 *entry;
>  
> -	if (!obj->gtt_space)
> +	if (!i915_gem_obj_ggtt_bound(obj))
>  		return;
>  
>  	entry = obj->exec_entry;
> @@ -530,7 +530,7 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
>  			struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
>  			bool need_fence, need_mappable;
>  
> -			if (!obj->gtt_space)
> +			if (!i915_gem_obj_ggtt_bound(obj))
>  				continue;
>  
>  			need_fence =
> @@ -539,7 +539,8 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
>  				obj->tiling_mode != I915_TILING_NONE;
>  			need_mappable = need_fence || need_reloc_mappable(obj);
>  
> -			if ((entry->alignment && obj->gtt_offset & (entry->alignment - 1)) ||
> +			if ((entry->alignment &&
> +			     i915_gem_obj_ggtt_offset(obj) & (entry->alignment - 1)) ||
>  			    (need_mappable && !obj->map_and_fenceable))
>  				ret = i915_gem_object_unbind(obj);
>  			else
> @@ -550,7 +551,7 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
>  
>  		/* Bind fresh objects */
>  		list_for_each_entry(obj, objects, exec_list) {
> -			if (obj->gtt_space)
> +			if (i915_gem_obj_ggtt_bound(obj))
>  				continue;
>  
>  			ret = i915_gem_execbuffer_reserve_object(obj, ring, need_relocs);
> @@ -1058,7 +1059,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
>  			goto err;
>  	}
>  
> -	exec_start = batch_obj->gtt_offset + args->batch_start_offset;
> +	exec_start = i915_gem_obj_ggtt_offset(batch_obj) + args->batch_start_offset;
>  	exec_len = args->batch_len;
>  	if (cliprects) {
>  		for (i = 0; i < args->num_cliprects; i++) {
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index 5c6fc0e..1eefba7 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -378,7 +378,7 @@ void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
>  			    enum i915_cache_level cache_level)
>  {
>  	ppgtt->insert_entries(ppgtt, obj->pages,
> -			      obj->gtt_space->start >> PAGE_SHIFT,
> +			      i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
>  			      cache_level);
>  }
>  
> @@ -386,7 +386,7 @@ void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
>  			      struct drm_i915_gem_object *obj)
>  {
>  	ppgtt->clear_range(ppgtt,
> -			   obj->gtt_space->start >> PAGE_SHIFT,
> +			   i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
>  			   obj->base.size >> PAGE_SHIFT);
>  }
>  
> @@ -551,7 +551,7 @@ void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  
>  	dev_priv->gtt.gtt_insert_entries(dev, obj->pages,
> -					 obj->gtt_space->start >> PAGE_SHIFT,
> +					 i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
>  					 cache_level);
>  
>  	obj->has_global_gtt_mapping = 1;
> @@ -563,7 +563,7 @@ void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj)
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  
>  	dev_priv->gtt.gtt_clear_range(obj->base.dev,
> -				      obj->gtt_space->start >> PAGE_SHIFT,
> +				      i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
>  				      obj->base.size >> PAGE_SHIFT);
>  
>  	obj->has_global_gtt_mapping = 0;
> @@ -630,22 +630,22 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
>  	/* Mark any preallocated objects as occupied */
>  	list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
>  		int ret;
> -		DRM_DEBUG_KMS("reserving preallocated space: %x + %zx\n",
> -			      obj->gtt_offset, obj->base.size);
> +		DRM_DEBUG_KMS("reserving preallocated space: %lx + %zx\n",
> +			      i915_gem_obj_ggtt_offset(obj), obj->base.size);
>  
> -		BUG_ON(obj->gtt_space != I915_GTT_RESERVED);
> -		obj->gtt_space = kzalloc(sizeof(*obj->gtt_space), GFP_KERNEL);
> -		if (!obj->gtt_space) {
> +		BUG_ON(obj->ggtt_space != I915_GTT_RESERVED);
> +		obj->ggtt_space = kzalloc(sizeof(*obj->ggtt_space), GFP_KERNEL);
> +		if (!obj->ggtt_space) {
>  			DRM_ERROR("Failed to preserve all objects\n");
>  			break;
>  		}
>  		ret = drm_mm_create_block(&dev_priv->mm.gtt_space,
> -					  obj->gtt_space,
> -					  obj->gtt_offset,
> +					  obj->ggtt_space,
> +					  i915_gem_obj_ggtt_offset(obj),
>  					  obj->base.size);
>  		if (ret) {
>  			DRM_DEBUG_KMS("Reservation failed\n");
> -			kfree(obj->gtt_space);
> +			kfree(obj->ggtt_space);
>  		}
>  		obj->has_global_gtt_mapping = 1;
>  	}
> diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
> index f9db84a..cf0d0e0 100644
> --- a/drivers/gpu/drm/i915/i915_gem_stolen.c
> +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
> @@ -374,23 +374,23 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
>  	 * later.
>  	 */
>  	if (drm_mm_initialized(&dev_priv->mm.gtt_space)) {
> -		obj->gtt_space = kzalloc(sizeof(*obj->gtt_space), GFP_KERNEL);
> -		if (!obj->gtt_space) {
> +		obj->ggtt_space = kzalloc(sizeof(*obj->ggtt_space), GFP_KERNEL);
> +		if (!obj->ggtt_space) {
>  			DRM_DEBUG_KMS("-ENOMEM stolen GTT space\n");
>  			goto unref_out;
>  		}
>  
>  		ret = drm_mm_create_block(&dev_priv->mm.gtt_space,
> -					  obj->gtt_space,
> +					  obj->ggtt_space,
>  					  gtt_offset, size);
>  		if (ret) {
>  			DRM_DEBUG_KMS("failed to allocate stolen GTT space\n");
>  			goto unref_out;
>  		}
>  	} else
> -		obj->gtt_space = I915_GTT_RESERVED;
> +		obj->ggtt_space = I915_GTT_RESERVED;
>  
> -	obj->gtt_offset = gtt_offset;
> +	obj->ggtt_offset = gtt_offset;
>  	obj->has_global_gtt_mapping = 1;
>  
>  	list_add_tail(&obj->global_list, &dev_priv->mm.bound_list);
> diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
> index 537545b..92a8d27 100644
> --- a/drivers/gpu/drm/i915/i915_gem_tiling.c
> +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
> @@ -268,18 +268,18 @@ i915_gem_object_fence_ok(struct drm_i915_gem_object *obj, int tiling_mode)
>  		return true;
>  
>  	if (INTEL_INFO(obj->base.dev)->gen == 3) {
> -		if (obj->gtt_offset & ~I915_FENCE_START_MASK)
> +		if (i915_gem_obj_ggtt_offset(obj) & ~I915_FENCE_START_MASK)
>  			return false;
>  	} else {
> -		if (obj->gtt_offset & ~I830_FENCE_START_MASK)
> +		if (i915_gem_obj_ggtt_offset(obj) & ~I830_FENCE_START_MASK)
>  			return false;
>  	}
>  
>  	size = i915_gem_get_gtt_size(obj->base.dev, obj->base.size, tiling_mode);
> -	if (obj->gtt_space->size != size)
> +	if (i915_gem_obj_ggtt_size(obj) != size)
>  		return false;
>  
> -	if (obj->gtt_offset & (size - 1))
> +	if (i915_gem_obj_ggtt_offset(obj) & (size - 1))
>  		return false;
>  
>  	return true;
> @@ -359,8 +359,8 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
>  		 */
>  
>  		obj->map_and_fenceable =
> -			obj->gtt_space == NULL ||
> -			(obj->gtt_offset + obj->base.size <= dev_priv->gtt.mappable_end &&
> +			!i915_gem_obj_ggtt_bound(obj) ||
> +			(i915_gem_obj_ggtt_offset(obj) + obj->base.size <= dev_priv->gtt.mappable_end &&
>  			 i915_gem_object_fence_ok(obj, args->tiling_mode));
>  
>  		/* Rebind if we need a change of alignment */
> @@ -369,7 +369,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
>  				i915_gem_get_gtt_alignment(dev, obj->base.size,
>  							    args->tiling_mode,
>  							    false);
> -			if (obj->gtt_offset & (unfenced_alignment - 1))
> +			if (i915_gem_obj_ggtt_offset(obj) & (unfenced_alignment - 1))
>  				ret = i915_gem_object_unbind(obj);
>  		}
>  
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 4c1b1e3..d2cf26f 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1516,7 +1516,7 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
>  	if (dst == NULL)
>  		return NULL;
>  
> -	reloc_offset = src->gtt_offset;
> +	reloc_offset = dst->gtt_offset = i915_gem_obj_ggtt_offset(src);
>  	for (i = 0; i < num_pages; i++) {
>  		unsigned long flags;
>  		void *d;
> @@ -1568,7 +1568,6 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
>  		reloc_offset += PAGE_SIZE;
>  	}
>  	dst->page_count = num_pages;
> -	dst->gtt_offset = src->gtt_offset;
>  
>  	return dst;
>  
> @@ -1622,7 +1621,7 @@ static void capture_bo(struct drm_i915_error_buffer *err,
>  	err->name = obj->base.name;
>  	err->rseqno = obj->last_read_seqno;
>  	err->wseqno = obj->last_write_seqno;
> -	err->gtt_offset = obj->gtt_offset;
> +	err->gtt_offset = i915_gem_obj_ggtt_offset(obj);
>  	err->read_domains = obj->base.read_domains;
>  	err->write_domain = obj->base.write_domain;
>  	err->fence_reg = obj->fence_reg;
> @@ -1720,8 +1719,8 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
>  			return NULL;
>  
>  		obj = ring->private;
> -		if (acthd >= obj->gtt_offset &&
> -		    acthd < obj->gtt_offset + obj->base.size)
> +		if (acthd >= i915_gem_obj_ggtt_offset(obj) &&
> +		    acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size)
>  			return i915_error_object_create(dev_priv, obj);
>  	}
>  
> @@ -1802,7 +1801,7 @@ static void i915_gem_record_active_context(struct intel_ring_buffer *ring,
>  		return;
>  
>  	list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
> -		if ((error->ccid & PAGE_MASK) == obj->gtt_offset) {
> +		if ((error->ccid & PAGE_MASK) == i915_gem_obj_ggtt_offset(obj)) {
>  			ering->ctx = i915_error_object_create_sized(dev_priv,
>  								    obj, 1);
>  			break;
> @@ -2156,10 +2155,10 @@ static void __always_unused i915_pageflip_stall_check(struct drm_device *dev, in
>  	if (INTEL_INFO(dev)->gen >= 4) {
>  		int dspsurf = DSPSURF(intel_crtc->plane);
>  		stall_detected = I915_HI_DISPBASE(I915_READ(dspsurf)) ==
> -					obj->gtt_offset;
> +					i915_gem_obj_ggtt_offset(obj);
>  	} else {
>  		int dspaddr = DSPADDR(intel_crtc->plane);
> -		stall_detected = I915_READ(dspaddr) == (obj->gtt_offset +
> +		stall_detected = I915_READ(dspaddr) == (i915_gem_obj_ggtt_offset(obj) +
>  							crtc->y * crtc->fb->pitches[0] +
>  							crtc->x * crtc->fb->bits_per_pixel/8);
>  	}
> diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
> index 3db4a68..7d283b5 100644
> --- a/drivers/gpu/drm/i915/i915_trace.h
> +++ b/drivers/gpu/drm/i915/i915_trace.h
> @@ -46,8 +46,8 @@ TRACE_EVENT(i915_gem_object_bind,
>  
>  	    TP_fast_assign(
>  			   __entry->obj = obj;
> -			   __entry->offset = obj->gtt_space->start;
> -			   __entry->size = obj->gtt_space->size;
> +			   __entry->offset = i915_gem_obj_ggtt_offset(obj);
> +			   __entry->size = i915_gem_obj_ggtt_size(obj);
>  			   __entry->mappable = mappable;
>  			   ),
>  
> @@ -68,8 +68,8 @@ TRACE_EVENT(i915_gem_object_unbind,
>  
>  	    TP_fast_assign(
>  			   __entry->obj = obj;
> -			   __entry->offset = obj->gtt_space->start;
> -			   __entry->size = obj->gtt_space->size;
> +			   __entry->offset = i915_gem_obj_ggtt_offset(obj);
> +			   __entry->size = i915_gem_obj_ggtt_size(obj);
>  			   ),
>  
>  	    TP_printk("obj=%p, offset=%08x size=%x",
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 6b0013c..f7cacc0 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -1980,16 +1980,17 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
>  		intel_crtc->dspaddr_offset = linear_offset;
>  	}
>  
> -	DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n",
> -		      obj->gtt_offset, linear_offset, x, y, fb->pitches[0]);
> +	DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
> +		      i915_gem_obj_ggtt_offset(obj), linear_offset, x, y,
> +		      fb->pitches[0]);
>  	I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
>  	if (INTEL_INFO(dev)->gen >= 4) {
>  		I915_MODIFY_DISPBASE(DSPSURF(plane),
> -				     obj->gtt_offset + intel_crtc->dspaddr_offset);
> +				     i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
>  		I915_WRITE(DSPTILEOFF(plane), (y << 16) | x);
>  		I915_WRITE(DSPLINOFF(plane), linear_offset);
>  	} else
> -		I915_WRITE(DSPADDR(plane), obj->gtt_offset + linear_offset);
> +		I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset);
>  	POSTING_READ(reg);
>  
>  	return 0;
> @@ -2069,11 +2070,12 @@ static int ironlake_update_plane(struct drm_crtc *crtc,
>  					       fb->pitches[0]);
>  	linear_offset -= intel_crtc->dspaddr_offset;
>  
> -	DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n",
> -		      obj->gtt_offset, linear_offset, x, y, fb->pitches[0]);
> +	DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
> +		      i915_gem_obj_ggtt_offset(obj), linear_offset, x, y,
> +		      fb->pitches[0]);
>  	I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
>  	I915_MODIFY_DISPBASE(DSPSURF(plane),
> -			     obj->gtt_offset + intel_crtc->dspaddr_offset);
> +			     i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
>  	if (IS_HASWELL(dev)) {
>  		I915_WRITE(DSPOFFSET(plane), (y << 16) | x);
>  	} else {
> @@ -6566,7 +6568,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
>  			goto fail_unpin;
>  		}
>  
> -		addr = obj->gtt_offset;
> +		addr = i915_gem_obj_ggtt_offset(obj);
>  	} else {
>  		int align = IS_I830(dev) ? 16 * 1024 : 256;
>  		ret = i915_gem_attach_phys_object(dev, obj,
> @@ -7338,7 +7340,7 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
>  	intel_ring_emit(ring, MI_DISPLAY_FLIP |
>  			MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
>  	intel_ring_emit(ring, fb->pitches[0]);
> -	intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
> +	intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
>  	intel_ring_emit(ring, 0); /* aux display base address, unused */
>  
>  	intel_mark_page_flip_active(intel_crtc);
> @@ -7379,7 +7381,7 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
>  	intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 |
>  			MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
>  	intel_ring_emit(ring, fb->pitches[0]);
> -	intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
> +	intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
>  	intel_ring_emit(ring, MI_NOOP);
>  
>  	intel_mark_page_flip_active(intel_crtc);
> @@ -7419,7 +7421,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
>  			MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
>  	intel_ring_emit(ring, fb->pitches[0]);
>  	intel_ring_emit(ring,
> -			(obj->gtt_offset + intel_crtc->dspaddr_offset) |
> +			(i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset) |
>  			obj->tiling_mode);
>  
>  	/* XXX Enabling the panel-fitter across page-flip is so far
> @@ -7462,7 +7464,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
>  	intel_ring_emit(ring, MI_DISPLAY_FLIP |
>  			MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
>  	intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode);
> -	intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
> +	intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
>  
>  	/* Contrary to the suggestions in the documentation,
>  	 * "Enable Panel Fitter" does not seem to be required when page
> @@ -7527,7 +7529,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
>  
>  	intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit);
>  	intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode));
> -	intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset);
> +	intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
>  	intel_ring_emit(ring, (MI_NOOP));
>  
>  	intel_mark_page_flip_active(intel_crtc);
> diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
> index dff669e..f3c97e0 100644
> --- a/drivers/gpu/drm/i915/intel_fb.c
> +++ b/drivers/gpu/drm/i915/intel_fb.c
> @@ -139,11 +139,11 @@ static int intelfb_create(struct drm_fb_helper *helper,
>  	info->apertures->ranges[0].base = dev->mode_config.fb_base;
>  	info->apertures->ranges[0].size = dev_priv->gtt.mappable_end;
>  
> -	info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
> +	info->fix.smem_start = dev->mode_config.fb_base + i915_gem_obj_ggtt_offset(obj);
>  	info->fix.smem_len = size;
>  
>  	info->screen_base =
> -		ioremap_wc(dev_priv->gtt.mappable_base + obj->gtt_offset,
> +		ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj),
>  			   size);
>  	if (!info->screen_base) {
>  		ret = -ENOSPC;
> @@ -166,9 +166,9 @@ static int intelfb_create(struct drm_fb_helper *helper,
>  
>  	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
>  
> -	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
> +	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08lx, bo %p\n",
>  		      fb->width, fb->height,
> -		      obj->gtt_offset, obj);
> +		      i915_gem_obj_ggtt_offset(obj), obj);
>  
>  
>  	mutex_unlock(&dev->struct_mutex);
> diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
> index a369881..81c3ca1 100644
> --- a/drivers/gpu/drm/i915/intel_overlay.c
> +++ b/drivers/gpu/drm/i915/intel_overlay.c
> @@ -196,7 +196,7 @@ intel_overlay_map_regs(struct intel_overlay *overlay)
>  		regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_obj->handle->vaddr;
>  	else
>  		regs = io_mapping_map_wc(dev_priv->gtt.mappable,
> -					 overlay->reg_bo->gtt_offset);
> +					 i915_gem_obj_ggtt_offset(overlay->reg_bo));
>  
>  	return regs;
>  }
> @@ -740,7 +740,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
>  	swidth = params->src_w;
>  	swidthsw = calc_swidthsw(overlay->dev, params->offset_Y, tmp_width);
>  	sheight = params->src_h;
> -	iowrite32(new_bo->gtt_offset + params->offset_Y, &regs->OBUF_0Y);
> +	iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_Y, &regs->OBUF_0Y);
>  	ostride = params->stride_Y;
>  
>  	if (params->format & I915_OVERLAY_YUV_PLANAR) {
> @@ -754,8 +754,8 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
>  				      params->src_w/uv_hscale);
>  		swidthsw |= max_t(u32, tmp_U, tmp_V) << 16;
>  		sheight |= (params->src_h/uv_vscale) << 16;
> -		iowrite32(new_bo->gtt_offset + params->offset_U, &regs->OBUF_0U);
> -		iowrite32(new_bo->gtt_offset + params->offset_V, &regs->OBUF_0V);
> +		iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_U, &regs->OBUF_0U);
> +		iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_V, &regs->OBUF_0V);
>  		ostride |= params->stride_UV << 16;
>  	}
>  
> @@ -1355,7 +1355,7 @@ void intel_setup_overlay(struct drm_device *dev)
>  			DRM_ERROR("failed to pin overlay register bo\n");
>  			goto out_free_bo;
>  		}
> -		overlay->flip_addr = reg_bo->gtt_offset;
> +		overlay->flip_addr = i915_gem_obj_ggtt_offset(reg_bo);
>  
>  		ret = i915_gem_object_set_to_gtt_domain(reg_bo, true);
>  		if (ret) {
> @@ -1435,7 +1435,7 @@ intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
>  			overlay->reg_bo->phys_obj->handle->vaddr;
>  	else
>  		regs = io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
> -						overlay->reg_bo->gtt_offset);
> +						i915_gem_obj_ggtt_offset(overlay->reg_bo));
>  
>  	return regs;
>  }
> @@ -1468,7 +1468,7 @@ intel_overlay_capture_error_state(struct drm_device *dev)
>  	if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
>  		error->base = (__force long)overlay->reg_bo->phys_obj->handle->vaddr;
>  	else
> -		error->base = overlay->reg_bo->gtt_offset;
> +		error->base = i915_gem_obj_ggtt_offset(overlay->reg_bo);
>  
>  	regs = intel_overlay_map_regs_atomic(overlay);
>  	if (!regs)
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 5b4ade6..d06648d 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -218,7 +218,7 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
>  		   (stall_watermark << DPFC_RECOMP_STALL_WM_SHIFT) |
>  		   (interval << DPFC_RECOMP_TIMER_COUNT_SHIFT));
>  	I915_WRITE(ILK_DPFC_FENCE_YOFF, crtc->y);
> -	I915_WRITE(ILK_FBC_RT_BASE, obj->gtt_offset | ILK_FBC_RT_VALID);
> +	I915_WRITE(ILK_FBC_RT_BASE, i915_gem_obj_ggtt_offset(obj) | ILK_FBC_RT_VALID);
>  	/* enable it... */
>  	I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);
>  
> @@ -275,7 +275,7 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
>  	struct drm_i915_gem_object *obj = intel_fb->obj;
>  	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
>  
> -	I915_WRITE(IVB_FBC_RT_BASE, obj->gtt_offset);
> +	I915_WRITE(IVB_FBC_RT_BASE, i915_gem_obj_ggtt_offset(obj));
>  
>  	I915_WRITE(ILK_DPFC_CONTROL, DPFC_CTL_EN | DPFC_CTL_LIMIT_1X |
>  		   IVB_DPFC_CTL_FENCE_EN |
> @@ -3707,7 +3707,7 @@ static void ironlake_enable_rc6(struct drm_device *dev)
>  
>  	intel_ring_emit(ring, MI_SUSPEND_FLUSH | MI_SUSPEND_FLUSH_EN);
>  	intel_ring_emit(ring, MI_SET_CONTEXT);
> -	intel_ring_emit(ring, dev_priv->ips.renderctx->gtt_offset |
> +	intel_ring_emit(ring, i915_gem_obj_ggtt_offset(dev_priv->ips.renderctx) |
>  			MI_MM_SPACE_GTT |
>  			MI_SAVE_EXT_STATE_EN |
>  			MI_RESTORE_EXT_STATE_EN |
> @@ -3730,7 +3730,7 @@ static void ironlake_enable_rc6(struct drm_device *dev)
>  		return;
>  	}
>  
> -	I915_WRITE(PWRCTXA, dev_priv->ips.pwrctx->gtt_offset | PWRCTX_EN);
> +	I915_WRITE(PWRCTXA, i915_gem_obj_ggtt_offset(dev_priv->ips.pwrctx) | PWRCTX_EN);
>  	I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
>  }
>  
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index e51ab55..54495df 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -424,14 +424,14 @@ static int init_ring_common(struct intel_ring_buffer *ring)
>  	 * registers with the above sequence (the readback of the HEAD registers
>  	 * also enforces ordering), otherwise the hw might lose the new ring
>  	 * register values. */
> -	I915_WRITE_START(ring, obj->gtt_offset);
> +	I915_WRITE_START(ring, i915_gem_obj_ggtt_offset(obj));
>  	I915_WRITE_CTL(ring,
>  			((ring->size - PAGE_SIZE) & RING_NR_PAGES)
>  			| RING_VALID);
>  
>  	/* If the head is still not zero, the ring is dead */
>  	if (wait_for((I915_READ_CTL(ring) & RING_VALID) != 0 &&
> -		     I915_READ_START(ring) == obj->gtt_offset &&
> +		     I915_READ_START(ring) == i915_gem_obj_ggtt_offset(obj) &&
>  		     (I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) {
>  		DRM_ERROR("%s initialization failed "
>  				"ctl %08x head %08x tail %08x start %08x\n",
> @@ -489,7 +489,7 @@ init_pipe_control(struct intel_ring_buffer *ring)
>  	if (ret)
>  		goto err_unref;
>  
> -	pc->gtt_offset = obj->gtt_offset;
> +	pc->gtt_offset = i915_gem_obj_ggtt_offset(obj);
>  	pc->cpu_page = kmap(sg_page(obj->pages->sgl));
>  	if (pc->cpu_page == NULL) {
>  		ret = -ENOMEM;
> @@ -1129,7 +1129,7 @@ i830_dispatch_execbuffer(struct intel_ring_buffer *ring,
>  		intel_ring_advance(ring);
>  	} else {
>  		struct drm_i915_gem_object *obj = ring->private;
> -		u32 cs_offset = obj->gtt_offset;
> +		u32 cs_offset = i915_gem_obj_ggtt_offset(obj);
>  
>  		if (len > I830_BATCH_LIMIT)
>  			return -ENOSPC;
> @@ -1214,7 +1214,7 @@ static int init_status_page(struct intel_ring_buffer *ring)
>  		goto err_unref;
>  	}
>  
> -	ring->status_page.gfx_addr = obj->gtt_offset;
> +	ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(obj);
>  	ring->status_page.page_addr = kmap(sg_page(obj->pages->sgl));
>  	if (ring->status_page.page_addr == NULL) {
>  		ret = -ENOMEM;
> @@ -1308,7 +1308,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
>  		goto err_unpin;
>  
>  	ring->virtual_start =
> -		ioremap_wc(dev_priv->gtt.mappable_base + obj->gtt_offset,
> +		ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj),
>  			   ring->size);
>  	if (ring->virtual_start == NULL) {
>  		DRM_ERROR("Failed to map ringbuffer.\n");
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 1fa5612..55bdf70 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -133,7 +133,7 @@ vlv_update_plane(struct drm_plane *dplane, struct drm_framebuffer *fb,
>  
>  	I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w);
>  	I915_WRITE(SPCNTR(pipe, plane), sprctl);
> -	I915_MODIFY_DISPBASE(SPSURF(pipe, plane), obj->gtt_offset +
> +	I915_MODIFY_DISPBASE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) +
>  			     sprsurf_offset);
>  	POSTING_READ(SPSURF(pipe, plane));
>  }
> @@ -308,7 +308,8 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
>  	if (intel_plane->can_scale)
>  		I915_WRITE(SPRSCALE(pipe), sprscale);
>  	I915_WRITE(SPRCTL(pipe), sprctl);
> -	I915_MODIFY_DISPBASE(SPRSURF(pipe), obj->gtt_offset + sprsurf_offset);
> +	I915_MODIFY_DISPBASE(SPRSURF(pipe),
> +			     i915_gem_obj_ggtt_offset(obj) + sprsurf_offset);
>  	POSTING_READ(SPRSURF(pipe));
>  
>  	/* potentially re-enable LP watermarks */
> @@ -478,7 +479,8 @@ ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
>  	I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
>  	I915_WRITE(DVSSCALE(pipe), dvsscale);
>  	I915_WRITE(DVSCNTR(pipe), dvscntr);
> -	I915_MODIFY_DISPBASE(DVSSURF(pipe), obj->gtt_offset + dvssurf_offset);
> +	I915_MODIFY_DISPBASE(DVSSURF(pipe),
> +			     i915_gem_obj_ggtt_offset(obj) + dvssurf_offset);
>  	POSTING_READ(DVSSURF(pipe));
>  }
>  
> -- 
> 1.8.3.2
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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