AFMT_RAMP_DATA_SIGN  688 drivers/gpu/drm/radeon/evergreend.h #       define AFMT_RAMP_DATA_SIGN           (1 << 31)
AFMT_RAMP_DATA_SIGN  831 drivers/gpu/drm/radeon/rv770d.h #       define AFMT_RAMP_DATA_SIGN           (1 << 31)