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

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Date:   Thu, 21 Sep 2023 00:16:45 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Huang Rui <ray.huang@....com>, dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, David Airlie <airlied@...hat.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Gurchetan Singh <gurchetansingh@...omium.org>,
        Chia-I Wu <olvaffe@...il.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>
Cc:     Alex Deucher <alexander.deucher@....com>
Subject: Re: [PATCH] drm/virtio: add definition for venus capset

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@....com>
> ---
> 
> 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@daynix.com/
> 
> 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


-- 
Best regards,
Dmitry