CRTCin            600 drivers/video/fbdev/riva/fbdev.c 		regs->crtc[i] = CRTCin(par, i);
CRTCin           1250 drivers/video/fbdev/riva/fbdev.c 	vesa = CRTCin(par, 0x1a) & ~0xc0;	/* sync on/off */