> > diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c
> > b/drivers/gpu/drm/virtio/virtgpu_drv.c
> > index e32e680c7197..71c6ccad4b99 100644
> > --- a/drivers/gpu/drm/virtio/virtgpu_drv.c
> > +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c
> > @@ -130,10 +130,10 @@ static void virtio_gpu_remove(struct virtio_device
> > *vdev)
> > static void virtio_gpu_shutdown(struct virtio_device *vdev)
> > {
> > - /*
> > - * drm does its own synchronization on shutdown.
> > - * Do nothing here, opt out of device reset.
> > - */
> > + struct drm_device *dev = vdev->priv;
> > +
> > + /* stop talking to the device */
> > + drm_dev_unplug(dev);
> > }
>
> It's the correct approach but also requires drm_dev_enter() and
> drm_dev_exit() around all of the driver's hardware access.
The functions adding requests to the virtio rings use
drm_dev_enter+drm_dev_exit already.
take care,
Gerd
