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Re: [PATCH v2 4/4] virtio-gpu: Don't require udmabuf when blob support i
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From: |
Gerd Hoffmann |
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Subject: |
Re: [PATCH v2 4/4] virtio-gpu: Don't require udmabuf when blob support is enabled |
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Date: |
Fri, 23 Sep 2022 14:32:19 +0200 |
On Tue, Sep 13, 2022 at 12:50:22PM +0200, Antonio Caggiano wrote:
> From: Dmitry Osipenko <dmitry.osipenko@collabora.com>
>
> Host blobs don't need udmabuf, it's only needed by guest blobs. The host
> blobs are utilized by the Mesa virgl driver when persistent memory mapping
> is needed by a GL buffer, otherwise virgl driver doesn't use blobs.
> Persistent mapping support bumps GL version from 4.3 to 4.5 in guest.
> Relax the udmabuf requirement.
What about blob=on,virgl=off?
In that case qemu manages the resources and continued to require
udmabuf.
Patches 1-3 look good, queued them up.
thanks,
Gerd
[PATCH v2 2/4] virtio-gpu: hostmem, Antonio Caggiano, 2022/09/13
[PATCH v2 1/4] virtio: Add shared memory capability, Antonio Caggiano, 2022/09/13
[PATCH v2 3/4] virtio-gpu: Handle resource blob commands, Antonio Caggiano, 2022/09/13