DWGREG0           229 drivers/gpu/drm/mga/mga_drv.h #define ISREG0(r)	(r >= DWGREG0 && r <= DWGREG0_END)
DWGREG0           230 drivers/gpu/drm/mga/mga_drv.h #define DMAREG0(r)	(u8)((r - DWGREG0) >> 2)