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From:   Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date:   Thu, 2 Nov 2023 17:07:18 +0000
Message-ID: <CADVatmO9NCs=ryNg72HNzMDpqg862gpGnnFhQ4uwTpEkjOkCLw@mail.gmail.com>
Subject: Re: mainline build failure due to 7966f319c66d ("drm/amd/display:
 Introduce DML2")
To:     Alex Deucher <alexdeucher@gmail.com>
Cc:     Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
        Roman Li <roman.li@amd.com>,
        Qingqing Zhuo <Qingqing.Zhuo@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        regressions@lists.linux.dev, Leo Li <sunpeng.li@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>, linux-kernel@vger.kernel.org,
        amd-gfx@lists.freedesktop.org,
        "linux-kernel@vger.kernel.orgLinus Torvalds" 
        <torvalds@linux-foundation.org>, dri-devel@lists.freedesktop.org,
        =?UTF-8?Q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>
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On Thu, 2 Nov 2023 at 16:52, Alex Deucher <alexdeucher@gmail.com> wrote:
>
> On Thu, Nov 2, 2023 at 5:32=E2=80=AFAM Sudip Mukherjee (Codethink)
> <sudipm.mukherjee@gmail.com> wrote:
> >
> > Hi All,
> >
> > The latest mainline kernel branch fails to build x86_64 allmodconfig
> > with the error:
> >
> > drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c: In f=
unction 'dml_prefetch_check':
> > drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:6707:=
1: error: the frame size of 2056 bytes is larger than 2048 bytes [-Werror=
=3Dframe-larger-than=3D]
> >  6707 | }
> >       | ^
> >
> > git bisect pointed to 7966f319c66d ("drm/amd/display: Introduce DML2")
> >
> > I will be happy to test any patch or provide any extra log if needed.
>
> This was reported earlier and fixed by:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit=
/?id=3D089dbf6a06f1dcaeed4f8b86d619e8d28b235207
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit=
/?id=3Db141fa036c901303ca5659cc22e9c08f8b097892
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit=
/?id=3D5b2c54e0d0ea09f7a3b500510731878326e1117e
> but I guess maybe different compiler versions are still hitting this.

Yes, I should have mentioned. gcc-11 and gcc-12 failed to build. but
gcc-13 was ok.


--=20
Regards
Sudip