linux-kernel - Re: nouveau: failed to initialise sync

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Message-ID: <20210714125652.eohw2s2pncplxovx@box.shutemov.name>
Date:   Wed, 14 Jul 2021 15:56:52 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Christian König <christian.koenig@....com>,
        airlied@...ux.ie, daniel@...ll.ch
Cc:     Alistair Popple <apopple@...dia.com>,
        Corentin Labbe <clabbe.montjoie@...il.com>, bskeggs@...hat.com,
        dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: nouveau: failed to initialise sync

On Tue, Jul 06, 2021 at 08:58:37AM +0200, Christian König wrote:
> Hi guys,
> 
> yes nouveau was using the same functionality for internal BOs without
> noticing it. This is fixes by the following commit:
> 
> commit d098775ed44021293b1962dea61efb19297b8d02
> Author: Christian König <christian.koenig@....com>
> Date:   Wed Jun 9 19:25:56 2021 +0200
> 
>     drm/nouveau: init the base GEM fields for internal BOs
> 
>     TTMs buffer objects are based on GEM objects for quite a while
>     and rely on initializing those fields before initializing the TTM BO.
> 
>     Nouveau now doesn't init the GEM object for internally allocated BOs,
>     so make sure that we at least initialize some necessary fields.
> 
> Could be that the patch needs to be send to stable as well.

The regression is present in v5.14-rc1. Any idea when it will hit
upstream? I don't see it being applied to drm=next.

-- 
 Kirill A. Shutemov