DRRS_REFRESH_RATE_LOW
refresh_rate == DRRS_REFRESH_RATE_LOW ?
intel_drrs_set_state(crtc, DRRS_REFRESH_RATE_LOW);
crtc->drrs.refresh_rate == DRRS_REFRESH_RATE_LOW ?
bit, refresh_rate == DRRS_REFRESH_RATE_LOW ? bit : 0);