ERROR: modpost: "drm_display_mode_to_videomode" [drivers/gpu/drm/bridge/lontium-lt8912b.ko] undefined!

[Adrien Grassein]

Fixed proposed at:
https://lore.kernel.org/dri-devel/20210504220207.4004511-1-adrien.grassein@gmail.com/T/#u

Thanks,

Le mar. 4 mai 2021 à 21:19, Adrien Grassein
<adrien.grassein at gmail.com> a écrit :
>
> Ok thanks,
>
> I will investigate this.
>
> Le mar. 4 mai 2021 à 21:04, Michal Suchánek <msuchanek at suse.de> a écrit :
> >
> > Hello,
> >
> > I have only one from ppc64, the other architectures don't have the
> > problem or fail earlier.
> >
> > Thanks
> >
> > Michal
> >
> > On Tue, May 04, 2021 at 08:45:01PM +0200, Adrien Grassein wrote:
> > > Hello,
> > >
> > > I think this is self-evident but could you please send the config to confirm?
> > >
> > > Thanks,
> > >
> > > Le mar. 4 mai 2021 à 20:30, Michal Suchánek <msuchanek at suse.de> a écrit :
> > > >
> > > > Hello,
> > > >
> > > > I get errors about missing symbol in the lontium-lt8912b module.
> > > >
> > > > Is the problem self-evident or do you need the config as well?
> > > >
> > > > I don't need the driver for anything, it was just auto-enabled because
> > > > it's new and the change has not been reviewed.
> > > >
> > > > Thanks
> > > >
> > > > Michal
> > > > >
> > > > > Last output:
> > > > >   WRAP    arch/powerpc/boot/zImage.maple
> > > > >   WRAP    arch/powerpc/boot/zImage.pseries
> > > > > make[2]: *** Deleting file 'modules-only.symvers'
> > > > >   MODPOST modules-only.symvers
> > > > > ERROR: modpost: "drm_display_mode_to_videomode" [drivers/gpu/drm/bridge/lontium-lt8912b.ko] undefined!
> > > > > make[2]: *** [../scripts/Makefile.modpost:150: modules-only.symvers] Error 1
> > > > > make[1]: *** [/home/abuild/rpmbuild/BUILD/kernel-vanilla-5.12.0.13670.g5e321ded302d/linux-5.12-13670-g5e321ded302d/Makefile:1770: modules] Error 2
> > > > > make: *** [../Makefile:215: __sub-make] Error 2
> > > > > error: Bad exit status from /var/tmp/rpm-tmp.q1oSIp (%build)