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

From: Adrien Grassein
Date: Tue May 04 2021 - 14:45:21 EST


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@xxxxxxx> 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)