gpu/drm/drm_gem_ttm_helper.c

12  * This library provides helper functions for gem objects backed by
20  * @gem: GEM object
26 			    const struct drm_gem_object *gem)
42 	const struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
56  * @gem: GEM object.
65 int drm_gem_ttm_vmap(struct drm_gem_object *gem,
68 	struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
76  * @gem: GEM object.
82 void drm_gem_ttm_vunmap(struct drm_gem_object *gem,
85 	struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
93  * @gem: GEM object.
99 int drm_gem_ttm_mmap(struct drm_gem_object *gem,
102 	struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
110 	 * ttm has its own object refcounting, so drop gem reference
113 	drm_gem_object_put(gem);
138 	struct drm_gem_object *gem;
140 	gem = drm_gem_object_lookup(file, handle);
141 	if (!gem)
144 	*offset = drm_vma_node_offset_addr(&gem->vma_node);
146 	drm_gem_object_put(gem);
152 MODULE_DESCRIPTION("DRM gem ttm helpers");