static int dss_ovl_set_overlay_info(struct omap_overlay *ovl,
		struct omap_overlay_info *info)
{
	int r;
	struct omap_overlay_info old_info;

	old_info = ovl->info;
	ovl->info = *info;

	if (ovl->manager) {
		r = dss_check_overlay(ovl, ovl->manager->device);
		if (r) {
			ovl->info = old_info;
			return r;
		}
	}

	ovl->info_dirty = true;

	return 0;
}