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Date: Mon, 14 Sep 2015 23:14:52 +0200
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Subject: Re: [Qemu-devel] virtio-gpu: cursor update not in sync with
	resource update
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To: Dave Airlie <airlied@gmail.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>, QEMU <qemu-devel@nongnu.org>

Hi

On Mon, Sep 14, 2015 at 11:08 PM, Dave Airlie <airlied@gmail.com> wrote:
> Currently the kernel driver does this:
>
>         ret =3D virtio_gpu_cmd_transfer_to_host_2d(vgdev, qobj->hw_res_ha=
ndle, 0,
>                                                  cpu_to_le32(64),
>                                                  cpu_to_le32(64),
>                                                  0, 0, &fence);
>         if (!ret) {
>                 reservation_object_add_excl_fence(qobj->tbo.resv,
>                                                   &fence->f);
>                 virtio_gpu_object_wait(qobj, false);
>         }
>
> before moving the cursor, shouldn't that suffice?
>
> Do we fail the transfer sometimes?


That's apparently not in Gerd tree.

--=20
Marc-Andr=C3=A9 Lureau