Re: [PATCH] drm/virtio: add definition for venus capset

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On 11/19/23 06:46, Dmitry Osipenko wrote:
> On 9/21/23 00:16, Dmitry Osipenko wrote:
>> On 9/15/23 13:59, Huang Rui wrote:
>>> This definition is used fro qemu, and qemu imports this marco in the
>>> headers to enable venus for virtio gpu. So it should add it even kernel
>>> doesn't use this.
>>>
>>> Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
>>> ---
>>>
>>> Hi all,
>>>
>>> We would like to add a new definition for venus capset, it will be used for
>>> qemu. Please see details on below discussion:
>>>
>>> https://lore.kernel.org/qemu-devel/b82982aa-5b9e-481e-9491-b9313877bcaa@xxxxxxxxxx/
>>>
>>> Thanks,
>>> Ray
>>>
>>>  include/uapi/linux/virtio_gpu.h | 2 ++
>>>  1 file changed, 2 insertions(+)
>>>
>>> diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h
>>> index f556fde07b76..0e21f3998108 100644
>>> --- a/include/uapi/linux/virtio_gpu.h
>>> +++ b/include/uapi/linux/virtio_gpu.h
>>> @@ -309,6 +309,8 @@ struct virtio_gpu_cmd_submit {
>>>  
>>>  #define VIRTIO_GPU_CAPSET_VIRGL 1
>>>  #define VIRTIO_GPU_CAPSET_VIRGL2 2
>>> +/* 3 is reserved for gfxstream */
>>> +#define VIRTIO_GPU_CAPSET_VENUS 4
>>
>> Could you please add all other capsets, so we won't needed to do it
>> again in the future
> 
> I've opened request to update virtio-spec with the corrected/updated
> capsets https://github.com/oasis-tcs/virtio-spec/issues/182. I'm
> expecting that it will take some time until spec change will be merged
> and now leaning to apply this v1 patch to not hold the Venus work.
> 
> Gerd, do you have objections? R-b/ack?

Applied patch to misc-next with edited commit message. Updating spec
taking much time, not worth to hold this change longer. We'll add the
rest of capsets later on. Thanks, Rui!

-- 
Best regards,
Dmitry




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