CRTC_GEN_CNTL      18 include/video/aty128.h #define CRTC_GEN_CNTL				0x0050
CRTC_GEN_CNTL      52 include/video/mach64.h #define CRTC_GEN_CNTL		0x001C	/* Dword offset 0_07 */
CRTC_GEN_CNTL      70 include/video/radeon.h #define CRTC_GEN_CNTL                          0x0050