RAMDAC_BYPASS
cfb->ramdac_powerdown &= ~(RAMDAC_DACPWRDN | RAMDAC_BYPASS |
cfb->ramdac_powerdown |= RAMDAC_DACPWRDN | RAMDAC_BYPASS |
hw.ramdac |= (RAMDAC_BYPASS | RAMDAC_RAMPWRDN);
hw.ramdac |= (RAMDAC_BYPASS | RAMDAC_RAMPWRDN);
else if (hw.ramdac & RAMDAC_BYPASS)