10  * This library provides helper functions for gem objects backed by
18  * @gem: GEM object
24 			    const struct drm_gem_object *gem)  in drm_gem_ttm_print_info()  argument
40 	const struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);  in drm_gem_ttm_print_info()
54  * @gem: GEM object.
57  * Maps a GEM object with ttm_bo_vmap(). This function can be used as
63 int drm_gem_ttm_vmap(struct drm_gem_object *gem,  in drm_gem_ttm_vmap()  argument
66 	struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);  in drm_gem_ttm_vmap()
69 	dma_resv_lock(gem->resv, NULL);  in drm_gem_ttm_vmap()
71 	dma_resv_unlock(gem->resv);  in drm_gem_ttm_vmap()
79  * @gem: GEM object.
82  * Unmaps a GEM object with ttm_bo_vunmap(). This function can be used as
85 void drm_gem_ttm_vunmap(struct drm_gem_object *gem,  in drm_gem_ttm_vunmap()  argument
88 	struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);  in drm_gem_ttm_vunmap()
90 	dma_resv_lock(gem->resv, NULL);  in drm_gem_ttm_vunmap()
92 	dma_resv_unlock(gem->resv);  in drm_gem_ttm_vunmap()
98  * @gem: GEM object.
104 int drm_gem_ttm_mmap(struct drm_gem_object *gem,  in drm_gem_ttm_mmap()  argument
107 	struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);  in drm_gem_ttm_mmap()
115 	 * ttm has its own object refcounting, so drop gem reference  in drm_gem_ttm_mmap()
118 	drm_gem_object_put(gem);  in drm_gem_ttm_mmap()
128  * @handle:	GEM handle
132  * TTM-based GEM drivers. TTM allocates the offset internally and
143 	struct drm_gem_object *gem;  in drm_gem_ttm_dumb_map_offset()  local
145 	gem = drm_gem_object_lookup(file, handle);  in drm_gem_ttm_dumb_map_offset()
146 	if (!gem)  in drm_gem_ttm_dumb_map_offset()
149 	*offset = drm_vma_node_offset_addr(&gem->vma_node);  in drm_gem_ttm_dumb_map_offset()
151 	drm_gem_object_put(gem);  in drm_gem_ttm_dumb_map_offset()
157 MODULE_DESCRIPTION("DRM gem ttm helpers");