CRTC_OFFSET        46 include/video/aty128.h #define CRTC_OFFSET				0x0224
CRTC_OFFSET        45 include/video/mach64.h #define CRTC_OFFSET		0x0014
CRTC_OFFSET       164 include/video/radeon.h #define CRTC_OFFSET                            0x0224