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Date: Tue, 15 Sep 2015 07:18:38 +1000
Message-ID: <CAPM=9txTSEM4rODq+5Qusx9y2M18eTP8+3ba5aG4rOqg7PjJFw@mail.gmail.com>
From: Dave Airlie <airlied@gmail.com>
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Subject: Re: [Qemu-devel] virtio-gpu: cursor update not in sync with
	resource update
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To: =?UTF-8?B?TWFyYy1BbmRyw6kgTHVyZWF1?= <marcandre.lureau@gmail.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>, QEMU <qemu-devel@nongnu.org>

On 15 September 2015 at 07:14, Marc-Andr=C3=A9 Lureau
<marcandre.lureau@gmail.com> wrote:
> 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_h=
andle, 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.

Interesting, I'm not sure where this got lost,

I had it in my clone of Gerd's tree from a while back.

Dave.