POS1064_XPWRCTRL
hw->DACreg[POS1064_XPWRCTRL] &= ~0x02; /* Stop VIDEO PLL */
hw->DACreg[POS1064_XPWRCTRL] &= ~0x10; /* Powerdown CRTC2 */
hw->DACreg[POS1064_XPWRCTRL] |= 0x02;
outDAC1064(minfo, M1064_XPWRCTRL, hw->DACreg[POS1064_XPWRCTRL]);
hw->DACreg[POS1064_XPWRCTRL] = 0x1F; /* powerup everything */
hw->DACreg[POS1064_XPWRCTRL] &= ~0x01; /* Poweroff DAC2 */
hw->DACreg[POS1064_XPWRCTRL] &= ~0x04; /* Poweroff TMDS */
outDAC1064(minfo, M1064_XPWRCTRL, hw->DACreg[POS1064_XPWRCTRL]);