drm/amdgpu: Add msix restore for pass-through mode

In pass-through mode, after mode 1 reset, msix enablement status would
lost and never receives interrupt again. So, we should restore msix
status after mode 1 reset.
Signed-off-by: Chengzhe Liu <ChengZhe.Liu@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_irq.c

@@ -584,7 +584,7 @@ void amdgpu_irq_gpu_reset_resume_helper(struct amdgpu_device *adev)
 {
 	int i, j, k;
 
-	if (amdgpu_sriov_vf(adev))
+	if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev))
 		amdgpu_restore_msix(adev);
 
 	for (i = 0; i < AMDGPU_IRQ_CLIENTID_MAX; ++i) {