drm/plane: Make ->atomic_update() mandatory
There is no use-case where it would be useful for drivers not to
implement this function and the transitional plane helpers already
require drivers to provide an implementation.
v2: add new requirement to kerneldoc
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 541ba83..6c72c57 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1108,7 +1108,7 @@
funcs = plane->helper_private;
- if (!funcs || !funcs->atomic_update)
+ if (!funcs)
continue;
old_plane_state = old_state->plane_states[i];