enum dmub_status
dmub_srv_calc_region_info(struct dmub_srv *dmub,
			  const struct dmub_srv_region_params *params,
			  struct dmub_srv_region_info *out)
enum dmub_status
	dmub_srv_calc_region_info(struct dmub_srv *dmub,
		const struct dmub_srv_region_params *params,
		struct dmub_srv_region_info *out)