NVReadCrtc
val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0;
val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0;
if (NVReadCrtc(par, chan->ddc_base) & 0x04)
if (NVReadCrtc(par, chan->ddc_base) & 0x08)
u8 NVReadCrtc(struct nvidia_par *par, u8 index);
state->crtc[i] = NVReadCrtc(par, i);
vesa = NVReadCrtc(par, 0x1a) & ~0xc0; /* sync on/off */