> > + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUID)) {
> > + vgdev->has_resource_assign_uuid = true;
> > + }
>
>
> Just a question: this relies on DMA bufs so I assume it is
> not really assumed to work when DMA API is bypassed, right?
> Rather than worry what does it mean, how about just
> disabling this feature without PLATFORM_DMA for now?
By PLATFORM_DMA, do you mean CONFIG_DMA_SHARED_BUFFER? Virtio-gpu
depends on DRM, which selects that feature. So I think DMA bufs should
always be available when virtio-gpu is present.
-David
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