GMBUS2
ret = poll_timeout_us_atomic(gmbus2 = intel_de_read_fw(display, GMBUS2(display)),
ret = poll_timeout_us(gmbus2 = intel_de_read_fw(display, GMBUS2(display)),
ret = intel_de_wait_fw(display, GMBUS2(display), GMBUS_ACTIVE, 0, 10, NULL);