NV_CIO_CRE_SCRATCH3__INDEX
regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x11;
regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x88;
regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x22;
rd_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX);
wr_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX);