UVD_SEMA_CMD       85 drivers/gpu/drm/radeon/uvd_v2_2.c 	radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
UVD_SEMA_CMD       52 drivers/gpu/drm/radeon/uvd_v3_1.c 	radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));