linux-kernel - Re: linux-next: build failure after merge of the amdgpu tree

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Date:   Fri, 8 Oct 2021 19:29:10 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Simon Ser <contact@...rsion.fr>
Cc:     Alex Deucher <alexdeucher@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the amdgpu tree

Hi Simon,

On Fri, 08 Oct 2021 06:27:05 +0000 Simon Ser <contact@...rsion.fr> wrote:
>
> On Friday, October 8th, 2021 at 02:31, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> > Hi all,
> >
> > After merging the amdgpu tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > ERROR: modpost: "get_mm_exe_file" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
> >
> > Caused by commit
> >
> > f4f80155e6e8 ("amd/display: only require overlay plane to cover whole CRTC on ChromeOS")
> >
> > I have used the amdgpu tree from next-20211007 for today.  
> 
> Not sure why this would happen. This commit builds fine on my machine, and I
> don't think it's possible to disable this function with Kconfig?

That symbol (get_mm_exe_file) is not exported to modules.

-- 
Cheers,
Stephen Rothwell

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