Messages in this thread | | | Date | Wed, 19 Sep 2018 06:46:00 +0200 | From | Gerd Hoffmann <> | Subject | Re: [virtio-dev] [PATCH 2/2] drm/virtio: add iommu support. |
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Hi,
> buffer. I tried to put a dma_sync_sg_for_device() on virtio_gpu_object obj->pages-sgl > before VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D is sent. This fixes the kernel console path.
That should be the right place.
> Once display manger is kicked off for example (sudo systemctl start lightdm.service) and > resource id 3 gets created from user space down, it still gives a blank black screen.
Hmm. I'd suspect there is simply a code path missing. Can you send the patch you have?
cheers, Gerd
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