[PATCH] drm/virtio: add dma sync for dma mapped virtio gpu framebuffer pages

[kraxel at redhat.com]

On Wed, Sep 19, 2018 at 07:09:53AM +0000, An, Jiandi wrote:
> With virtio gpu ttm-pages being dma mapped, dma sync is needed when
> swiotlb is used as bounce buffers, before TRANSFER_TO_HOST_2D/3D
> commands are sent.

Pushed to drm-misc-next.

thanks,
  Gerd