DP_CNTL_XDIR_YDIR_YMAJOR  191 include/video/aty128.h #define DP_CNTL_XDIR_YDIR_YMAJOR		0x16d0
DP_CNTL_XDIR_YDIR_YMAJOR  369 include/video/radeon.h #define DP_CNTL_XDIR_YDIR_YMAJOR               0x16D0