gpu/drm/drm_atomic_helper.c

847  *                only be false for primary planes.
970  * drm_atomic_helper_check_planes - validate state object for planes changes
980  * updated planes.
1045  * Only CRTCs and planes have check callbacks, so for any additional (global)
1050  * This just wraps the two parts of the state checking for planes and modeset
1057  * Note that zpos normalization will add all enable planes to the state which
1060  * would trigger all other enabled planes to be forced to the state change.
1413  * PM since planes updates then only happen when the CRTC is actually enabled.
1460  * PM since planes updates then only happen when the CRTC is actually enabled.
1475 		/* Need to filter out CRTCs where only planes change. */
1586  * just uses the atomic state to find the changed planes)
2113  * planes the driver must not get the struct &drm_crtc_state of unrelated CRTCs
2372 		/* Always track planes explicitly for async pageflip support. */
2638 	i = j; /* set i to upper limit to cleanup all planes */
2701  * functions for planes and CRTCs. It assumes that the atomic state has already
2705  * It still requires the global state object @old_state to know which planes and
2725  * display controllers require to disable a CRTC's planes when the CRTC is
2728  * operation. Of course, the drivers need to disable the planes in their CRTC
2775 			 * Skip planes related to inactive CRTCs. If the plane
2778 			 * CRTC to avoid skipping planes being disabled on an
2842  * functions for planes on the specific CRTC. It assumes that the atomic state
2849  * This function can only be savely used when planes are not allowed to move
2908  * drm_atomic_helper_disable_planes_on_crtc - helper to disable CRTC's planes
2912  * Disables all planes associated with the given CRTC. This can be
2914  * all planes.
2918  * planes.
3111 		state->planes[i].state = old_plane_state;
3571 		state->planes[i].old_state = plane->state;