diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index cf0cbfe..b67cb5f 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -122,10 +122,10 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 		seq_printf(m, " (pinned x %d)", obj->pin_count);
 	if (obj->fence_reg != I915_FENCE_REG_NONE)
 		seq_printf(m, " (fence: %d)", obj->fence_reg);
-	if (obj->gtt_space != NULL)
-		seq_printf(m, " (gtt offset: %08lx, size: %08x)",
-			   obj->gtt_space->start,
-			   (unsigned int)obj->gtt_space->size);
+	if (i915_gem_obj_bound(obj))
+		seq_printf(m, " (gtt offset: %08lx, size: %08lx)",
+			   i915_gem_obj_offset(obj),
+			   i915_gem_obj_size(obj));
 	if (obj->stolen)
 		seq_printf(m, " (stolen: %08lx)", obj->stolen->start);
 	if (obj->pin_mappable || obj->fault_mappable) {
@@ -176,7 +176,7 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
 		describe_obj(m, obj);
 		seq_printf(m, "\n");
 		total_obj_size += obj->base.size;
-		total_gtt_size += obj->gtt_space->size;
+		total_gtt_size += i915_gem_obj_size(obj);
 		count++;
 	}
 	mutex_unlock(&dev->struct_mutex);
@@ -188,10 +188,10 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
 
 #define count_objects(list, member) do { \
 	list_for_each_entry(obj, list, member) { \
-		size += obj->gtt_space->size; \
+		size += i915_gem_obj_size(obj); \
 		++count; \
 		if (obj->map_and_fenceable) { \
-			mappable_size += obj->gtt_space->size; \
+			mappable_size += i915_gem_obj_size(obj); \
 			++mappable_count; \
 		} \
 	} \
@@ -241,11 +241,11 @@ static int i915_gem_object_info(struct seq_file *m, void* data)
 	size = count = mappable_size = mappable_count = 0;
 	list_for_each_entry(obj, &i915_gtt_vm->bound_list, gtt_list) {
 		if (obj->fault_mappable) {
-			size += obj->gtt_space->size;
+			size += i915_gem_obj_size(obj);
 			++count;
 		}
 		if (obj->pin_mappable) {
-			mappable_size += obj->gtt_space->size;
+			mappable_size += i915_gem_obj_size(obj);
 			++mappable_count;
 		}
 		if (obj->madv == I915_MADV_DONTNEED) {
@@ -292,7 +292,7 @@ static int i915_gem_gtt_info(struct seq_file *m, void* data)
 		describe_obj(m, obj);
 		seq_printf(m, "\n");
 		total_obj_size += obj->base.size;
-		total_gtt_size += obj->gtt_space->size;
+		total_gtt_size += i915_gem_obj_size(obj);
 		count++;
 	}
 
@@ -338,12 +338,12 @@ static int i915_gem_pageflip_info(struct seq_file *m, void *data)
 			if (work->old_fb_obj) {
 				struct drm_i915_gem_object *obj = work->old_fb_obj;
 				if (obj)
-					seq_printf(m, "Old framebuffer gtt_offset 0x%08lx\n", obj->gtt_space->start);
+					seq_printf(m, "Old framebuffer gtt_offset 0x%08lx\n", i915_gem_obj_offset(obj));
 			}
 			if (work->pending_flip_obj) {
 				struct drm_i915_gem_object *obj = work->pending_flip_obj;
 				if (obj)
-					seq_printf(m, "New framebuffer gtt_offset 0x%08lx\n", obj->gtt_space->start);
+					seq_printf(m, "New framebuffer gtt_offset 0x%08lx\n", i915_gem_obj_offset(obj));
 			}
 		}
 		spin_unlock_irqrestore(&dev->event_lock, flags);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index af1c797..0f70abe4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1275,6 +1275,27 @@ struct drm_i915_gem_object {
 
 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
 
+static inline unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o)
+{
+	return o->gtt_space->start;
+}
+
+static inline bool i915_gem_obj_bound(struct drm_i915_gem_object *o)
+{
+	return o->gtt_space != NULL;
+}
+
+static inline unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o)
+{
+	return o->gtt_space->size;
+}
+
+static inline void i915_gem_obj_set_color(struct drm_i915_gem_object *o,
+					  enum i915_cache_level color)
+{
+	o->gtt_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 93fd7e4..159b30f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -138,7 +138,7 @@ 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_bound(obj) && !obj->active;
 }
 
 int
@@ -181,7 +181,7 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
 	mutex_lock(&dev->struct_mutex);
 	list_for_each_entry(obj, &i915_gtt_vm->bound_list, gtt_list)
 		if (obj->pin_count)
-			pinned += obj->gtt_space->size;
+			pinned += i915_gem_obj_size(obj);
 	mutex_unlock(&dev->struct_mutex);
 
 	args->aper_size = i915_gtt_vm->total;
@@ -425,7 +425,7 @@ 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_bound(obj)) {
 			ret = i915_gem_object_set_to_gtt_domain(obj, false);
 			if (ret)
 				return ret;
@@ -612,7 +612,7 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev,
 	user_data = to_user_ptr(args->data_ptr);
 	remain = args->size;
 
-	offset = obj->gtt_space->start + args->offset;
+	offset = i915_gem_obj_offset(obj) + args->offset;
 
 	while (remain > 0) {
 		/* Operation in this page
@@ -742,7 +742,7 @@ 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_bound(obj)) {
 			ret = i915_gem_object_set_to_gtt_domain(obj, true);
 			if (ret)
 				return ret;
@@ -1364,7 +1364,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 
 	obj->fault_mappable = true;
 
-	pfn += (obj->gtt_space->start >> PAGE_SHIFT) + page_offset;
+	pfn += (i915_gem_obj_offset(obj) >> PAGE_SHIFT) + page_offset;
 
 	/* Finally, remap it using the new GTT offset */
 	ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
@@ -1670,7 +1670,7 @@ 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_bound(obj));
 
 	if (obj->pages_pin_count)
 		return -EBUSY;
@@ -2477,7 +2477,7 @@ 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_bound(obj))
 		return 0;
 
 	if (obj->pin_count)
@@ -2558,11 +2558,11 @@ 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_size(obj);
 
-		val = (uint64_t)((obj->gtt_space->start + size - 4096) &
+		val = (uint64_t)((i915_gem_obj_offset(obj) + size - 4096) &
 				 0xfffff000) << 32;
-		val |= obj->gtt_space->start & 0xfffff000;
+		val |= i915_gem_obj_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;
@@ -2582,15 +2582,15 @@ 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_size(obj);
 		int pitch_val;
 		int tile_width;
 
-		WARN((obj->gtt_space->start & ~I915_FENCE_START_MASK) ||
+		WARN((i915_gem_obj_offset(obj) & ~I915_FENCE_START_MASK) ||
 		     (size & -size) != size ||
-		     (obj->gtt_space->start & (size - 1)),
+		     (i915_gem_obj_offset(obj) & (size - 1)),
 		     "object 0x%08lx [fenceable? %d] not 1M or pot-size (0x%08x) aligned\n",
-		     obj->gtt_space->start, obj->map_and_fenceable, size);
+		     i915_gem_obj_offset(obj), obj->map_and_fenceable, size);
 
 		if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
 			tile_width = 128;
@@ -2601,7 +2601,7 @@ 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_space->start;
+		val = i915_gem_obj_offset(obj);
 		if (obj->tiling_mode == I915_TILING_Y)
 			val |= 1 << I830_FENCE_TILING_Y_SHIFT;
 		val |= I915_FENCE_SIZE_BITS(size);
@@ -2626,19 +2626,19 @@ 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_size(obj);
 		uint32_t pitch_val;
 
-		WARN((obj->gtt_space->start & ~I830_FENCE_START_MASK) ||
+		WARN((i915_gem_obj_offset(obj) & ~I830_FENCE_START_MASK) ||
 		     (size & -size) != size ||
-		     (obj->gtt_space->start & (size - 1)),
+		     (i915_gem_obj_offset(obj) & (size - 1)),
 		     "object 0x%08lx not 512K or pot-size 0x%08x aligned\n",
-		     obj->gtt_space->start, size);
+		     i915_gem_obj_offset(obj), size);
 
 		pitch_val = obj->stride / 128;
 		pitch_val = ffs(pitch_val) - 1;
 
-		val = obj->gtt_space->start;
+		val = i915_gem_obj_offset(obj);
 		if (obj->tiling_mode == I915_TILING_Y)
 			val |= 1 << I830_FENCE_TILING_Y_SHIFT;
 		val |= I830_FENCE_SIZE_BITS(size);
@@ -2906,8 +2906,8 @@ 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_offset(obj),
+			       i915_gem_obj_offset(obj) + i915_gem_obj_size(obj),
 			       obj->cache_level,
 			       obj->gtt_space->color);
 			err++;
@@ -2918,8 +2918,8 @@ 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_offset(obj),
+			       i915_gem_obj_offset(obj) + i915_gem_obj_size(obj),
 			       obj->cache_level);
 			err++;
 			continue;
@@ -3133,7 +3133,7 @@ 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_bound(obj))
 		return -EINVAL;
 
 	if (obj->base.write_domain == I915_GEM_DOMAIN_GTT)
@@ -3198,7 +3198,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 			return ret;
 	}
 
-	if (obj->gtt_space) {
+	if (i915_gem_obj_bound(obj)) {
 		ret = i915_gem_object_finish_gpu(obj);
 		if (ret)
 			return ret;
@@ -3221,7 +3221,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 			i915_ppgtt_bind_object(dev_priv->gtt.aliasing_ppgtt,
 					       obj, cache_level);
 
-		obj->gtt_space->color = cache_level;
+		i915_gem_obj_set_color(obj, cache_level);
 	}
 
 	if (cache_level == I915_CACHE_NONE) {
@@ -3502,14 +3502,14 @@ 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_space->start & (alignment - 1)) ||
+	if (i915_gem_obj_bound(obj)) {
+		if ((alignment && i915_gem_obj_offset(obj) & (alignment - 1)) ||
 		    (map_and_fenceable && !obj->map_and_fenceable)) {
 			WARN(obj->pin_count,
 			     "bo is already pinned with incorrect alignment:"
 			     " offset=%lx, req.alignment=%x, req.map_and_fenceable=%d,"
 			     " obj->map_and_fenceable=%d\n",
-			     obj->gtt_space->start, alignment,
+			     i915_gem_obj_offset(obj), alignment,
 			     map_and_fenceable,
 			     obj->map_and_fenceable);
 			ret = i915_gem_object_unbind(obj);
@@ -3518,7 +3518,7 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
 		}
 	}
 
-	if (obj->gtt_space == NULL) {
+	if (!i915_gem_obj_bound(obj)) {
 		struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
 
 		ret = i915_gem_object_bind_to_gtt(obj, alignment,
@@ -3544,7 +3544,7 @@ 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_bound(obj));
 
 	if (--obj->pin_count == 0)
 		obj->pin_mappable = false;
@@ -3594,7 +3594,7 @@ 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_space->start;
+	args->offset = i915_gem_obj_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 145314f..4a97fda 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -368,7 +368,7 @@ 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_space->start |
+	intel_ring_emit(ring, i915_gem_obj_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_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index ebf2f5d..ed3f38d 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_space->start;
+	target_offset = i915_gem_obj_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_space->start;
+		reloc->offset += i915_gem_obj_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_space->start) {
-		entry->offset = obj->gtt_space->start;
+	if (entry->offset != i915_gem_obj_offset(obj)) {
+		entry->offset = i915_gem_obj_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_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_bound(obj))
 				continue;
 
 			need_fence =
@@ -540,7 +540,7 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
 			need_mappable = need_fence || need_reloc_mappable(obj);
 
 			if ((entry->alignment &&
-			     obj->gtt_space->start & (entry->alignment - 1)) ||
+			     i915_gem_obj_offset(obj) & (entry->alignment - 1)) ||
 			    (need_mappable && !obj->map_and_fenceable))
 				ret = i915_gem_object_unbind(obj);
 			else
@@ -551,7 +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_bound(obj))
 				continue;
 
 			ret = i915_gem_execbuffer_reserve_object(obj, ring, need_relocs);
@@ -1049,7 +1049,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 			goto err;
 	}
 
-	exec_start = batch_obj->gtt_space->start + args->batch_start_offset;
+	exec_start = i915_gem_obj_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 253d6e4..1fab5a8 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -384,7 +384,7 @@ void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
 			    enum i915_cache_level cache_level)
 {
 	ppgtt->base.insert_entries(&ppgtt->base, obj->pages,
-				   obj->gtt_space->start >> PAGE_SHIFT,
+				   i915_gem_obj_offset(obj) >> PAGE_SHIFT,
 				   cache_level);
 }
 
@@ -392,7 +392,7 @@ void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
 			      struct drm_i915_gem_object *obj)
 {
 	ppgtt->base.clear_range(&ppgtt->base,
-				obj->gtt_space->start >> PAGE_SHIFT,
+				i915_gem_obj_offset(obj) >> PAGE_SHIFT,
 				obj->base.size >> PAGE_SHIFT);
 }
 
@@ -560,7 +560,7 @@ void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	i915_gtt_vm->insert_entries(&dev_priv->gtt.base, obj->pages,
-					  obj->gtt_space->start >> PAGE_SHIFT,
+					  i915_gem_obj_offset(obj) >> PAGE_SHIFT,
 					  cache_level);
 
 	obj->has_global_gtt_mapping = 1;
@@ -572,7 +572,7 @@ void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	i915_gtt_vm->clear_range(&dev_priv->gtt.base,
-				       obj->gtt_space->start >> PAGE_SHIFT,
+				       i915_gem_obj_offset(obj) >> PAGE_SHIFT,
 				       obj->base.size >> PAGE_SHIFT);
 
 	obj->has_global_gtt_mapping = 0;
@@ -660,7 +660,7 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
 		uintptr_t gtt_offset = (uintptr_t)obj->gtt_space;
 		int ret;
 		DRM_DEBUG_KMS("reserving preallocated space: %lx + %zx\n",
-			      obj->gtt_space->start, obj->base.size);
+			      i915_gem_obj_offset(obj), obj->base.size);
 
 		BUG_ON((gtt_offset & I915_GTT_RESERVED) == 0);
 		gtt_offset = gtt_offset & ~I915_GTT_RESERVED;
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 7aab12a..2478114 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_space->start & ~I915_FENCE_START_MASK)
+		if (i915_gem_obj_offset(obj) & ~I915_FENCE_START_MASK)
 			return false;
 	} else {
-		if (obj->gtt_space->start & ~I830_FENCE_START_MASK)
+		if (i915_gem_obj_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_size(obj) != size)
 		return false;
 
-	if (obj->gtt_space->start & (size - 1))
+	if (i915_gem_obj_offset(obj) & (size - 1))
 		return false;
 
 	return true;
@@ -358,8 +358,8 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		 * whilst executing a fenced command for an untiled object.
 		 */
 
-		obj->map_and_fenceable = obj->gtt_space == NULL ||
-			(obj->gtt_space->start +
+		obj->map_and_fenceable = !i915_gem_obj_bound(obj) ||
+			(i915_gem_obj_offset(obj) +
 			 obj->base.size <= dev_priv->gtt.mappable_end &&
 			 i915_gem_object_fence_ok(obj, args->tiling_mode));
 
@@ -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_space->start & (unfenced_alignment - 1))
+			if (i915_gem_obj_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 d576dc3..2f2460c 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1474,7 +1474,7 @@ i915_error_object_create_sized(struct drm_i915_private *dev_priv,
 	if (dst == NULL)
 		return NULL;
 
-	reloc_offset = src->gtt_space->start;
+	reloc_offset = i915_gem_obj_offset(src);
 	for (i = 0; i < num_pages; i++) {
 		unsigned long flags;
 		void *d;
@@ -1526,7 +1526,7 @@ 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_space->start;
+	dst->gtt_offset = i915_gem_obj_offset(src);
 
 	return dst;
 
@@ -1578,7 +1578,7 @@ 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_space->start;
+	err->gtt_offset = i915_gem_obj_offset(obj);
 	err->read_domains = obj->base.read_domains;
 	err->write_domain = obj->base.write_domain;
 	err->fence_reg = obj->fence_reg;
@@ -1676,8 +1676,8 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
 			return NULL;
 
 		obj = ring->private;
-		if (acthd >= obj->gtt_space->start &&
-		    acthd < obj->gtt_space->start + obj->base.size)
+		if (acthd >= i915_gem_obj_offset(obj) &&
+		    acthd < i915_gem_obj_offset(obj) + obj->base.size)
 			return i915_error_object_create(dev_priv, obj);
 	}
 
@@ -1758,7 +1758,7 @@ static void i915_gem_record_active_context(struct intel_ring_buffer *ring,
 		return;
 
 	list_for_each_entry(obj, &i915_gtt_vm->bound_list, gtt_list) {
-		if ((error->ccid & PAGE_MASK) == obj->gtt_space->start) {
+		if ((error->ccid & PAGE_MASK) == i915_gem_obj_offset(obj)) {
 			ering->ctx = i915_error_object_create_sized(dev_priv,
 								    obj, 1);
 		}
@@ -2111,10 +2111,10 @@ 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_space->start;
+					i915_gem_obj_offset(obj);
 	} else {
 		int dspaddr = DSPADDR(intel_crtc->plane);
-		stall_detected = I915_READ(dspaddr) == (obj->gtt_space->start +
+		stall_detected = I915_READ(dspaddr) == (i915_gem_obj_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..e4dccb3 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_offset(obj);
+			   __entry->size = i915_gem_obj_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_offset(obj);
+			   __entry->size = i915_gem_obj_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 19636af..1db82ea 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2062,18 +2062,18 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 	}
 
 	DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
-		      obj->gtt_space->start, linear_offset, x, y,
+		      i915_gem_obj_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_space->start +
+				     i915_gem_obj_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_space->start + linear_offset);
+			   i915_gem_obj_offset(obj) + linear_offset);
 	POSTING_READ(reg);
 
 	return 0;
@@ -2154,11 +2154,11 @@ static int ironlake_update_plane(struct drm_crtc *crtc,
 	linear_offset -= intel_crtc->dspaddr_offset;
 
 	DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
-		      obj->gtt_space->start, linear_offset, x, y,
+		      i915_gem_obj_offset(obj), linear_offset, x, y,
 		      fb->pitches[0]);
 	I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
 	I915_MODIFY_DISPBASE(DSPSURF(plane),
-			     obj->gtt_space->start+intel_crtc->dspaddr_offset);
+			     i915_gem_obj_offset(obj)+intel_crtc->dspaddr_offset);
 	if (IS_HASWELL(dev)) {
 		I915_WRITE(DSPOFFSET(plane), (y << 16) | x);
 	} else {
@@ -6615,7 +6615,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 			goto fail_unpin;
 		}
 
-		addr = obj->gtt_space->start;
+		addr = i915_gem_obj_offset(obj);
 	} else {
 		int align = IS_I830(dev) ? 16 * 1024 : 256;
 		ret = i915_gem_attach_phys_object(dev, obj,
@@ -7322,7 +7322,7 @@ static int intel_gen2_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_space->start + intel_crtc->dspaddr_offset);
+			i915_gem_obj_offset(obj) + intel_crtc->dspaddr_offset);
 	intel_ring_emit(ring, 0); /* aux display base address, unused */
 
 	intel_mark_page_flip_active(intel_crtc);
@@ -7364,7 +7364,7 @@ static int intel_gen3_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_space->start + intel_crtc->dspaddr_offset);
+			i915_gem_obj_offset(obj) + intel_crtc->dspaddr_offset);
 	intel_ring_emit(ring, MI_NOOP);
 
 	intel_mark_page_flip_active(intel_crtc);
@@ -7404,7 +7404,7 @@ 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_space->start + intel_crtc->dspaddr_offset) |
+			(i915_gem_obj_offset(obj) + intel_crtc->dspaddr_offset) |
 			obj->tiling_mode);
 
 	/* XXX Enabling the panel-fitter across page-flip is so far
@@ -7448,7 +7448,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
 			MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
 	intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode);
 	intel_ring_emit(ring,
-			obj->gtt_space->start + intel_crtc->dspaddr_offset);
+			i915_gem_obj_offset(obj) + intel_crtc->dspaddr_offset);
 
 	/* Contrary to the suggestions in the documentation,
 	 * "Enable Panel Fitter" does not seem to be required when page
@@ -7514,7 +7514,7 @@ 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_space->start + intel_crtc->dspaddr_offset);
+			i915_gem_obj_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 e1dfda8..25114a2 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -138,11 +138,11 @@ 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_space->start;
+	info->fix.smem_start = dev->mode_config.fb_base + i915_gem_obj_offset(obj);
 	info->fix.smem_len = size;
 
 	info->screen_base =
-		ioremap_wc(dev_priv->gtt.mappable_base + obj->gtt_space->start,
+		ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_offset(obj),
 			   size);
 	if (!info->screen_base) {
 		ret = -ENOSPC;
@@ -167,7 +167,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
 
 	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08lx, bo %p\n",
 		      fb->width, fb->height,
-		      obj->gtt_space->start, obj);
+		      i915_gem_obj_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 d3e7acb..3bda132 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_space->start);
+					 i915_gem_obj_offset(overlay->reg_bo));
 
 	return regs;
 }
@@ -740,7 +740,8 @@ 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_space->start + params->offset_Y, &regs->OBUF_0Y);
+	iowrite32(i915_gem_obj_offset(new_bo) + params->offset_Y,
+		  &regs->OBUF_0Y);
 	ostride = params->stride_Y;
 
 	if (params->format & I915_OVERLAY_YUV_PLANAR) {
@@ -754,9 +755,9 @@ 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_space->start + params->offset_U,
+		iowrite32(i915_gem_obj_offset(new_bo) + params->offset_U,
 			  &regs->OBUF_0U);
-		iowrite32(new_bo->gtt_space->start + params->offset_V,
+		iowrite32(i915_gem_obj_offset(new_bo) + params->offset_V,
 			  &regs->OBUF_0V);
 		ostride |= params->stride_UV << 16;
 	}
@@ -1357,7 +1358,7 @@ 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_space->start;
+		overlay->flip_addr = i915_gem_obj_offset(reg_bo);
 
 		ret = i915_gem_object_set_to_gtt_domain(reg_bo, true);
 		if (ret) {
@@ -1436,7 +1437,7 @@ intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
 			overlay->reg_bo->phys_obj->handle->vaddr;
 
 	return io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
-					overlay->reg_bo->gtt_space->start);
+					i915_gem_obj_offset(overlay->reg_bo));
 }
 
 static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
@@ -1467,7 +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_space->start;
+		error->base = i915_gem_obj_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 0129129..2fae388 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -217,7 +217,7 @@ 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_space->start | ILK_FBC_RT_VALID);
+	I915_WRITE(ILK_FBC_RT_BASE, i915_gem_obj_offset(obj) | ILK_FBC_RT_VALID);
 	/* enable it... */
 	I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);
 
@@ -3047,7 +3047,7 @@ 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_space->start |
+	intel_ring_emit(ring, i915_gem_obj_offset(dev_priv->ips.renderctx) |
 			MI_MM_SPACE_GTT |
 			MI_SAVE_EXT_STATE_EN |
 			MI_RESTORE_EXT_STATE_EN |
@@ -3070,7 +3070,8 @@ static void ironlake_enable_rc6(struct drm_device *dev)
 		return;
 	}
 
-	I915_WRITE(PWRCTXA, dev_priv->ips.pwrctx->gtt_space->start | PWRCTX_EN);
+	I915_WRITE(PWRCTXA, i915_gem_obj_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 4cd85a9..e40c2c6 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -400,14 +400,14 @@ 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_space->start);
+	I915_WRITE_START(ring, i915_gem_obj_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_space->start &&
+		     I915_READ_START(ring) == i915_gem_obj_offset(obj) &&
 		     (I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) {
 		DRM_ERROR("%s initialization failed "
 				"ctl %08x head %08x tail %08x start %08x\n",
@@ -463,7 +463,7 @@ init_pipe_control(struct intel_ring_buffer *ring)
 	if (ret)
 		goto err_unref;
 
-	pc->gtt_offset = obj->gtt_space->start;
+	pc->gtt_offset = i915_gem_obj_offset(obj);
 	pc->cpu_page =  kmap(sg_page(obj->pages->sgl));
 	if (pc->cpu_page == NULL)
 		goto err_unpin;
@@ -1042,7 +1042,7 @@ 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_space->start;
+		u32 cs_offset = i915_gem_obj_offset(obj);
 
 		if (len > I830_BATCH_LIMIT)
 			return -ENOSPC;
@@ -1127,7 +1127,7 @@ static int init_status_page(struct intel_ring_buffer *ring)
 		goto err_unref;
 	}
 
-	ring->status_page.gfx_addr = obj->gtt_space->start;
+	ring->status_page.gfx_addr = i915_gem_obj_offset(obj);
 	ring->status_page.page_addr = kmap(sg_page(obj->pages->sgl));
 	if (ring->status_page.page_addr == NULL) {
 		ret = -ENOMEM;
@@ -1221,7 +1221,7 @@ 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_space->start,
+		ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_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 d71f5a9..7e8aed5 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_space->start +
+	I915_MODIFY_DISPBASE(SPSURF(pipe, plane), i915_gem_obj_offset(obj) +
 			     sprsurf_offset);
 	POSTING_READ(SPSURF(pipe, plane));
 }
@@ -309,7 +309,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
 		I915_WRITE(SPRSCALE(pipe), sprscale);
 	I915_WRITE(SPRCTL(pipe), sprctl);
 	I915_MODIFY_DISPBASE(SPRSURF(pipe),
-			     obj->gtt_space->start + sprsurf_offset);
+			     i915_gem_obj_offset(obj) + sprsurf_offset);
 	POSTING_READ(SPRSURF(pipe));
 
 	/* potentially re-enable LP watermarks */
@@ -478,7 +478,7 @@ ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
 	I915_WRITE(DVSSCALE(pipe), dvsscale);
 	I915_WRITE(DVSCNTR(pipe), dvscntr);
 	I915_MODIFY_DISPBASE(DVSSURF(pipe),
-			     obj->gtt_space->start + dvssurf_offset);
+			     i915_gem_obj_offset(obj) + dvssurf_offset);
 	POSTING_READ(DVSSURF(pipe));
 }
 
