Re: [regression][6.0] After commit b261509952bc19d1012cf732f853659be6ebc61e I see WARNING message at drivers/gpu/drm/drm_modeset_lock.c:276 drm_modeset_drop_locks+0x63/0x70

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On Thu, Feb 9, 2023 at 10:17 PM Leo Li <sunpeng.li@xxxxxxx> wrote:
>
> Hi Mikhail, seems like your report flew past me, thanks for the ping.
>
> This might be a simple issue of not backing off when deadlock was hit.
> drm_atomic_normalize_zpos() can return an error code, and I ignored it
> (oops!)
>
> Can you give this patch a try?
> https://gitlab.freedesktop.org/-/snippets/7414
>
> - Leo
>

Thanks,
I think the time for testing was enough.
I observed three computers with different GPUs 6800M, 6900XT and
7900XTX for more than 3 days. And a warning message about
drm_modeset_drop_locks no longer appears anymore.

I hope this patch will have time to be merged in 6.2 before release.

Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@xxxxxxxxx>

-- 
Best Regards,
Mike Gavrilov.

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