VCN_DEC_CMD_FENCE 1495 drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c 	amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1);
VCN_DEC_CMD_FENCE 1559 drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_FENCE << 1));