SYNC_FLUSH_CTL   1018 drivers/gpu/drm/radeon/evergreend.h #define		SYNC_FLUSH_CTL					(1 << 8)
SYNC_FLUSH_CTL    481 drivers/gpu/drm/radeon/nid.h #define		SYNC_FLUSH_CTL					(1 << 8)
SYNC_FLUSH_CTL    521 drivers/gpu/drm/radeon/rv770d.h #define		SYNC_FLUSH_CTL					(1 << 8)