CRTC2_VLINE_CRNT_VLINE   60 include/video/aty128.h #define CRTC2_VLINE_CRNT_VLINE			0x0310
CRTC2_VLINE_CRNT_VLINE   47 include/video/mach64.h #define CRTC2_VLINE_CRNT_VLINE	0x0010	/* Dword offset 0_04 */