Symbol: SU
drivers/gpu/drm/radeon/r600d.h
1426
# define SU(x) ((x) << 23)
drivers/gpu/drm/radeon/sumod.h
207
# define SU(x) ((x) << 23)
drivers/gpu/drm/radeon/trinityd.h
200
# define SU(x) ((x) << 16)