drm/amdgpu: Allocate root PD on correct partition

file_priv needs to be setup firstly, otherwise, root PD
will always be allocated on partition 0, even if opening
the device from other partitions.

Fixes: 3ebfd221 ("drm/amdkfd: Store xcp partition id to amdgpu bo")
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1232,13 +1232,13 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 		pasid = 0;
 	}
 
-	r = amdgpu_vm_init(adev, &fpriv->vm);
+	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
 	if (r)
 		goto error_pasid;
 
-	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
+	r = amdgpu_vm_init(adev, &fpriv->vm);
 	if (r)
-		goto error_vm;
+		goto error_pasid;
 
 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
 	if (r)