Re: [PATCH v6 15/18] drm/virtio: rework virtio_gpu_transfer_to_host_ioctl fencing

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  Hi,

> >         convert_to_hw_box(&box, &args->box);
> >         if (!vgdev->has_virgl_3d) {
> >                 virtio_gpu_cmd_transfer_to_host_2d
> > -                       (vgdev, qobj, offset,
> > +                       (vgdev, gem_to_virtio_gpu_obj(objs->objs[0]), offset,
> >                          box.w, box.h, box.x, box.y, NULL);
> > +               virtio_gpu_array_put_free(objs);
> Don't we need this in non-3D case as well?

No, ...

> >                 virtio_gpu_cmd_transfer_to_host_3d
> > -                       (vgdev, qobj,
> > +                       (vgdev,
> >                          vfpriv ? vfpriv->ctx_id : 0, offset,
> > -                        args->level, &box, fence);
> > -               reservation_object_add_excl_fence(qobj->base.base.resv,
> > -                                                 &fence->f);
> > +                        args->level, &box, objs, fence);

... 3d case passes the objs list to virtio_gpu_cmd_transfer_to_host_3d,
so it gets added to the vbuf and released when the command is finished.

cheers,
  Gerd

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