NVReadVgaSeq
seq1 |= (NVReadVgaSeq(dev, nv_crtc->index, NV_VIO_SR_CLOCK_INDEX) & ~0x20);
saved_seq1 = NVReadVgaSeq(dev, 0, NV_VIO_SR_CLOCK_INDEX);
seq1 = NVReadVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX);
seq2 = NVReadVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX);
seq4 = NVReadVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX);
regp->Sequencer[i] = NVReadVgaSeq(dev, head, i);
uint8_t seq1 = NVReadVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX);
uint8_t NVReadVgaSeq(struct drm_device *, int head, uint8_t index);