FROMLIST: drm: skip wait on vblank for set plane

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
(am from LongChair/LibreELEC.tv@debdec6)

Change-Id: I20d3d03638388fbb1e84215cba187f2e89089a62
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

Author: Kwiboo

drivers/gpu/drm/drm_atomic_helper.c

@@ -1520,8 +1520,7 @@ int drm_atomic_helper_update_plane(struct drm_plane *plane,
 	plane_state->src_h = src_h;
 	plane_state->src_w = src_w;
 
-	if (plane == crtc->cursor)
-		state->legacy_cursor_update = true;
+	state->legacy_cursor_update = true;
 
 	ret = drm_atomic_commit(state);
 	if (ret != 0)
@@ -1589,8 +1588,7 @@ int drm_atomic_helper_disable_plane(struct drm_plane *plane)
 		goto fail;
 	}
 
-	if (plane_state->crtc && (plane == plane->crtc->cursor))
-		plane_state->state->legacy_cursor_update = true;
+	plane_state->state->legacy_cursor_update = true;
 
 	ret = __drm_atomic_helper_disable_plane(plane, plane_state);
 	if (ret != 0)