u32 ring,
                               struct amdgpu_ring **out_ring)
 {
+       u32 instance;
+
        switch (mapper->hw_ip) {
        case AMDGPU_HW_IP_GFX:
                *out_ring = &adev->gfx.gfx_ring[ring];
                *out_ring = &adev->sdma.instance[ring].ring;
                break;
        case AMDGPU_HW_IP_UVD:
-               *out_ring = &adev->uvd.inst->ring;
+               instance = ring;
+               *out_ring = &adev->uvd.inst[instance].ring;
                break;
        case AMDGPU_HW_IP_VCE:
                *out_ring = &adev->vce.ring[ring];
                break;
        case AMDGPU_HW_IP_UVD_ENC:
-               *out_ring = &adev->uvd.inst->ring_enc[ring];
+               instance = ring / adev->uvd.num_enc_rings;
+               *out_ring =
+               &adev->uvd.inst[instance].ring_enc[ring%adev->uvd.num_enc_rings];
                break;
        case AMDGPU_HW_IP_VCN_DEC:
                *out_ring = &adev->vcn.ring_dec;
                ip_num_rings = adev->sdma.num_instances;
                break;
        case AMDGPU_HW_IP_UVD:
-               ip_num_rings = 1;
+               ip_num_rings = adev->uvd.num_uvd_inst;
                break;
        case AMDGPU_HW_IP_VCE:
                ip_num_rings = adev->vce.num_rings;
                break;
        case AMDGPU_HW_IP_UVD_ENC:
-               ip_num_rings = adev->uvd.num_enc_rings;
+               ip_num_rings =
+                       adev->uvd.num_enc_rings * adev->uvd.num_uvd_inst;
                break;
        case AMDGPU_HW_IP_VCN_DEC:
                ip_num_rings = 1;