mmUVD_NO_OP
case mmUVD_NO_OP:
amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0));
amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0));
amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0));
amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0));
amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_NO_OP), 0));
SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP);
amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0));
adev->vcn.inst->external.nop = SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP);
adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
adev->vcn.inst[i].external.nop = SOC15_REG_OFFSET(VCN, i, mmUVD_NO_OP);