drm/vram: use embedded gem object

Drop drm_gem_object from drm_gem_vram_object, use the
ttm_buffer_object.base instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-3-kraxel@redhat.com

drivers/gpu/drm/ast/ast_main.c

@@ -554,6 +554,6 @@ int ast_gem_create(struct drm_device *dev,
 			DRM_ERROR("failed to allocate GEM object\n");
 		return ret;
 	}
-	*obj = &gbo->gem;
+	*obj = &gbo->bo.base;
 	return 0;
 }

drivers/gpu/drm/drm_gem_vram_helper.c

@@ -26,7 +26,7 @@ static void drm_gem_vram_cleanup(struct drm_gem_vram_object *gbo)
 	 * TTM buffer object in 'bo' has already been cleaned
 	 * up; only release the GEM object.
 	 */
-	drm_gem_object_release(&gbo->gem);
+	drm_gem_object_release(&gbo->bo.base);
 }
 
 static void drm_gem_vram_destroy(struct drm_gem_vram_object *gbo)
@@ -82,10 +82,10 @@ static int drm_gem_vram_init(struct drm_device *dev,
 	int ret;
 	size_t acc_size;
 
-	if (!gbo->gem.funcs)
-		gbo->gem.funcs = &drm_gem_vram_object_funcs;
+	if (!gbo->bo.base.funcs)
+		gbo->bo.base.funcs = &drm_gem_vram_object_funcs;
 
-	ret = drm_gem_object_init(dev, &gbo->gem, size);
+	ret = drm_gem_object_init(dev, &gbo->bo.base, size);
 	if (ret)
 		return ret;
 
@@ -103,7 +103,7 @@ static int drm_gem_vram_init(struct drm_device *dev,
 	return 0;
 
 err_drm_gem_object_release:
-	drm_gem_object_release(&gbo->gem);
+	drm_gem_object_release(&gbo->bo.base);
 	return ret;
 }
 
@@ -383,11 +383,11 @@ int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 	if (IS_ERR(gbo))
 		return PTR_ERR(gbo);
 
-	ret = drm_gem_handle_create(file, &gbo->gem, &handle);
+	ret = drm_gem_handle_create(file, &gbo->bo.base, &handle);
 	if (ret)
 		goto err_drm_gem_object_put_unlocked;
 
-	drm_gem_object_put_unlocked(&gbo->gem);
+	drm_gem_object_put_unlocked(&gbo->bo.base);
 
 	args->pitch = pitch;
 	args->size = size;
@@ -396,7 +396,7 @@ int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 	return 0;
 
 err_drm_gem_object_put_unlocked:
-	drm_gem_object_put_unlocked(&gbo->gem);
+	drm_gem_object_put_unlocked(&gbo->bo.base);
 	return ret;
 }
 EXPORT_SYMBOL(drm_gem_vram_fill_create_dumb);
@@ -446,7 +446,7 @@ int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo,
 {
 	struct drm_gem_vram_object *gbo = drm_gem_vram_of_bo(bo);
 
-	return drm_vma_node_verify_access(&gbo->gem.vma_node,
+	return drm_vma_node_verify_access(&gbo->bo.base.vma_node,
 					  filp->private_data);
 }
 EXPORT_SYMBOL(drm_gem_vram_bo_driver_verify_access);

drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c

@@ -66,7 +66,7 @@ int hibmc_gem_create(struct drm_device *dev, u32 size, bool iskernel,
 			DRM_ERROR("failed to allocate GEM object: %d\n", ret);
 		return ret;
 	}
-	*obj = &gbo->gem;
+	*obj = &gbo->bo.base;
 	return 0;
 }
 

drivers/gpu/drm/vboxvideo/vbox_main.c

@@ -292,7 +292,7 @@ int vbox_gem_create(struct vbox_private *vbox,
 		return ret;
 	}
 
-	*obj = &gbo->gem;
+	*obj = &gbo->bo.base;
 
 	return 0;
 }

include/drm/drm_gem_vram_helper.h

@@ -36,7 +36,6 @@ struct vm_area_struct;
  * video memory becomes scarce.
  */
 struct drm_gem_vram_object {
-	struct drm_gem_object gem;
 	struct ttm_buffer_object bo;
 	struct ttm_bo_kmap_obj kmap;
 
@@ -68,7 +67,7 @@ static inline struct drm_gem_vram_object *drm_gem_vram_of_bo(
 static inline struct drm_gem_vram_object *drm_gem_vram_of_gem(
 	struct drm_gem_object *gem)
 {
-	return container_of(gem, struct drm_gem_vram_object, gem);
+	return container_of(gem, struct drm_gem_vram_object, bo.base);
 }
 
 struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,