[virtio-dev] Re: [PATCH v1 08/12] drm/virtio: implement context init: stop using drv->context when creating fence

[Gurchetan Singh]

On Tue, Sep 14, 2021 at 10:53 PM Gerd Hoffmann <kraxel at redhat.com> wrote:

> On Wed, Sep 08, 2021 at 06:37:13PM -0700, Gurchetan Singh wrote:
> > The plumbing is all here to do this.  Since we always use the
> > default fence context when allocating a fence, this makes no
> > functional difference.
> >
> > We can't process just the largest fence id anymore, since it's
> > it's associated with different timelines.  It's fine for fence_id
> > 260 to signal before 259.  As such, process each fence_id
> > individually.
>
> I guess you need to also update virtio_gpu_fence_event_process()
> then?  It currently has the strict ordering logic baked in ...
>

The update to virtio_gpu_fence_event_process was done as a preparation a
few months back:

https://cgit.freedesktop.org/drm/drm-misc/commit/drivers/gpu/drm/virtio/virtgpu_fence.c?id=36549848ed27c22bb2ffd5d1468efc6505b05f97



>
> take care,
>   Gerd
>
>
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