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

On Wed, Sep 19, 2018 at 07:09:53AM +, 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

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

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. Signed-off-by: Jiandi An --- drivers/gpu/drm/virtio/virtgpu_drv.h | 8 drivers/gpu/drm/virtio/virtgpu_fb.c | 7 ---