vlv_invert_wm_value
vlv_invert_wm_value(raw->plane[plane_id],
vlv_invert_wm_value(max3(raw->plane[PLANE_PRIMARY],
vlv_invert_wm_value(raw->plane[PLANE_CURSOR],
vlv_invert_wm_value(active->wm[level].plane[plane_id],