238  * __drm_atomic_helper_plane_state_reset - resets plane state to default values
239  * @plane_state: atomic plane state, must not be NULL
240  * @plane: plane object, must not be NULL
246 					   struct drm_plane *plane)  in __drm_atomic_helper_plane_state_reset()  argument
250 	plane_state->plane = plane;  in __drm_atomic_helper_plane_state_reset()
256 	if (plane->color_encoding_property) {  in __drm_atomic_helper_plane_state_reset()
257 		if (!drm_object_property_get_default_value(&plane->base,  in __drm_atomic_helper_plane_state_reset()
258 							   plane->color_encoding_property,  in __drm_atomic_helper_plane_state_reset()
263 	if (plane->color_range_property) {  in __drm_atomic_helper_plane_state_reset()
264 		if (!drm_object_property_get_default_value(&plane->base,  in __drm_atomic_helper_plane_state_reset()
265 							   plane->color_range_property,  in __drm_atomic_helper_plane_state_reset()
270 	if (plane->zpos_property) {  in __drm_atomic_helper_plane_state_reset()
271 		if (!drm_object_property_get_default_value(&plane->base,  in __drm_atomic_helper_plane_state_reset()
272 							   plane->zpos_property,  in __drm_atomic_helper_plane_state_reset()
282  * __drm_atomic_helper_plane_reset - reset state on plane
283  * @plane: drm plane
284  * @plane_state: plane state to assign
287  * the &drm_crtc->state pointer of @plane, usually required when
291  * This is useful for drivers that subclass the plane state.
293 void __drm_atomic_helper_plane_reset(struct drm_plane *plane,  in __drm_atomic_helper_plane_reset()  argument
297 		__drm_atomic_helper_plane_state_reset(plane_state, plane);  in __drm_atomic_helper_plane_reset()
299 	plane->state = plane_state;  in __drm_atomic_helper_plane_reset()
305  * @plane: drm plane
307  * Resets the atomic state for @plane by freeing the state pointer (which might
310 void drm_atomic_helper_plane_reset(struct drm_plane *plane)  in drm_atomic_helper_plane_reset()  argument
312 	if (plane->state)  in drm_atomic_helper_plane_reset()
313 		__drm_atomic_helper_plane_destroy_state(plane->state);  in drm_atomic_helper_plane_reset()
315 	kfree(plane->state);  in drm_atomic_helper_plane_reset()
316 	plane->state = kzalloc(sizeof(*plane->state), GFP_KERNEL);  in drm_atomic_helper_plane_reset()
317 	if (plane->state)  in drm_atomic_helper_plane_reset()
318 		__drm_atomic_helper_plane_reset(plane, plane->state);  in drm_atomic_helper_plane_reset()
323  * __drm_atomic_helper_plane_duplicate_state - copy atomic plane state
324  * @plane: plane object
325  * @state: atomic plane state
327  * Copies atomic state from a plane's current state. This is useful for
328  * drivers that subclass the plane state.
330 void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,  in __drm_atomic_helper_plane_duplicate_state()  argument
333 	memcpy(state, plane->state, sizeof(*state));  in __drm_atomic_helper_plane_duplicate_state()
346  * @plane: drm plane
348  * Default plane state duplicate hook for drivers which don't have their own
349  * subclassed plane state structure.
352 drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane)  in drm_atomic_helper_plane_duplicate_state()  argument
356 	if (WARN_ON(!plane->state))  in drm_atomic_helper_plane_duplicate_state()
361 		__drm_atomic_helper_plane_duplicate_state(plane, state);  in drm_atomic_helper_plane_duplicate_state()
368  * __drm_atomic_helper_plane_destroy_state - release plane state
369  * @state: plane state object to release
371  * Releases all resources stored in the plane state without actually freeing
372  * the memory of the plane state. This is useful for drivers that subclass the
373  * plane state.
392  * @plane: drm plane
393  * @state: plane state object to release
395  * Default plane state destroy hook for drivers which don't have their own
396  * subclassed plane state structure.
398 void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,  in drm_atomic_helper_plane_destroy_state()  argument