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

From: Stephen Rothwell <[email-masked]>
Date: Fri, 8 Oct 2021 19:29:10 +1100

Hi Simon,

On Fri, 08 Oct 2021 06:27:05 +0000 Simon Ser <[email-masked]> wrote:
>
> On Friday, October 8th, 2021 at 02:31, Stephen Rothwell <[email-masked]> 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