diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index dd5caa8030aa3ed6c226e8bc356cad77da788f92..71c3df0b520b9c6aa257f61d8fd02a83b3e7700b 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2798,7 +2798,8 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, funcs->atomic_disable(plane, old_state); } else if (new_plane_state->crtc || disabling) { - funcs->atomic_update(plane, old_state); + if (funcs->atomic_update) + funcs->atomic_update(plane, old_state); if (!disabling && funcs->atomic_enable) { if (drm_atomic_plane_enabling(old_plane_state, new_plane_state)) @@ -2890,7 +2891,8 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state) if (disabling && plane_funcs->atomic_disable) { plane_funcs->atomic_disable(plane, old_state); } else if (new_plane_state->crtc || disabling) { - plane_funcs->atomic_update(plane, old_state); + if (plane_funcs->atomic_update) + plane_funcs->atomic_update(plane, old_state); if (!disabling && plane_funcs->atomic_enable) { if (drm_atomic_plane_enabling(old_plane_state, new_plane_state))