OVR_WID_LEFT_RIGHT   50 include/video/aty128.h #define OVR_WID_LEFT_RIGHT			0x0234
OVR_WID_LEFT_RIGHT   72 include/video/mach64.h #define OVR_WID_LEFT_RIGHT	0x0044	/* Dword offset 0_11 */
OVR_WID_LEFT_RIGHT  168 include/video/radeon.h #define OVR_WID_LEFT_RIGHT                     0x0234