drm/amdgpu/vcn5.0.1: use correct dpm helper

The VCN and UVD helpers were split in
commit ff69bba ("drm/amd/pm: add inst to dpm_set_powergating_by_smu")
However, this happened in parallel to the vcn 5.0.1
development so it was missed there.

Fixes: 346492f ("drm/amdgpu: Add VCN_5_0_1 support")
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Sonny Jiang <sonjiang@amd.com>
Cc: Boyuan Zhang <boyuan.zhang@amd.com>

drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c

@@ -575,8 +575,10 @@ static int vcn_v5_0_1_start(struct amdgpu_device *adev)
 	uint32_t tmp;
 	int i, j, k, r, vcn_inst;
 
-	if (adev->pm.dpm_enabled)
-		amdgpu_dpm_enable_uvd(adev, true);
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->pm.dpm_enabled)
+			amdgpu_dpm_enable_vcn(adev, true, i);
+	}
 
 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
@@ -816,8 +818,10 @@ static int vcn_v5_0_1_stop(struct amdgpu_device *adev)
 		WREG32_SOC15(VCN, vcn_inst, regUVD_STATUS, 0);
 	}
 
-	if (adev->pm.dpm_enabled)
-		amdgpu_dpm_enable_uvd(adev, false);
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->pm.dpm_enabled)
+			amdgpu_dpm_enable_vcn(adev, false, i);
+	}
 
 	return 0;
 }