drm/amdgpu/vg20:Enable 2nd instance queue maping for uvd 7.2

Enable 2nd instance uvd queue maping for uvd 7.2. For user, only one UVD
instance presents. there is two rings for uvd decode, and
4 rings for uvd encode.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c

@@ -66,6 +66,8 @@ static int amdgpu_identity_map(struct amdgpu_device *adev,
 			       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];
@@ -77,13 +79,16 @@ static int amdgpu_identity_map(struct amdgpu_device *adev,
 		*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;
@@ -240,13 +245,14 @@ int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
 		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;