void dmub_dcn32_setup_windows(struct dmub_srv *dmub,
		const struct dmub_window *cw2,
		const struct dmub_window *cw3,
		const struct dmub_window *cw4,
		const struct dmub_window *cw5,
		const struct dmub_window *cw6)
void dmub_dcn32_setup_windows(struct dmub_srv *dmub,
		const struct dmub_window *cw2,
		const struct dmub_window *cw3,
		const struct dmub_window *cw4,
		const struct dmub_window *cw5,
		const struct dmub_window *cw6,
		const struct dmub_window *region6)