skl_plane_aux_dist
if (skl_plane_aux_dist(old_plane_state, 0) !=
skl_plane_aux_dist(new_plane_state, 0)) {
skl_plane_aux_dist(plane_state, 0));
skl_plane_aux_dist(plane_state, color_plane));
u32 skl_plane_aux_dist(const struct intel_plane_state *plane_state,