linux-kernel - Re: [PATCH v6 0/3] Add sync object UAPI support to VirtIO-GPU driver

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Date:   Mon, 31 Jul 2023 19:26:54 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Gurchetan Singh <gurchetansingh@...omium.org>
Cc:     Rob Clark <robdclark@...il.com>, Gerd Hoffmann <kraxel@...hat.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com, virtualization@...ts.linux-foundation.org,
        David Airlie <airlied@...hat.com>,
        Chia-I Wu <olvaffe@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Marek Olšák <maraeo@...il.com>,
        Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>,
        Emil Velikov <emil.velikov@...labora.com>
Subject: Re: [PATCH v6 0/3] Add sync object UAPI support to VirtIO-GPU driver

On 7/29/23 01:03, Gurchetan Singh wrote:
> On Wed, Jul 19, 2023 at 11:58 AM Dmitry Osipenko <
> dmitry.osipenko@...labora.com> wrote:
> 
>> 27.06.2023 20:16, Rob Clark пишет:
>> ...
>>>> Now these are just suggestions, and while I think they are good, you
>> can safely ignore them.
>>>>
>>>> But there's also the DRM requirements, which state "userspace side must
>> be fully reviewed and tested to the standards of that user-space
>> project.".  So I think to meet the minimum requirements, I think we should
>> at-least have one of the following (not all, just one) reviewed:
>>>>
>>>> 1) venus using the new uapi
>>>> 2) gfxstream vk using the new uapi
>>>> 3) amdgpu nctx out of "draft" mode and using the new uapi.
>>>> 4) virtio-intel using new uapi
>>>> 5) turnip using your new uapi
>>>
>>> forgot to mention this earlier, but
>>> https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23533
>>>
>>> Dmitry, you can also add, if you haven't already:
>>>
>>> Tested-by: Rob Clark <robdclark@...il.com>
>>
>> Gurchetan, Turnip Mesa virtio support is ready to be merged upstream,
>> it's using this new syncobj UAPI. Could you please give yours r-b if you
>> don't have objections?
>>
> 
> Given that Turnip native contexts are reviewed using this UAPI, your change
> does now meet the requirements and is ready to merge.
> 
> One thing I noticed is you might need explicit padding between
> `num_out_syncobjs` and `in_syncobjs`.  Otherwise, feel free to add my
> acked-by.

The padding looks okay as-as, all the struct size and u64s are properly
aligned. I'll merge the patch soon, thanks.

-- 
Best regards,
Dmitry