drm_kms_helper cycle detected build error in next

Daniel Vetter daniel at ffwll.ch
Mon Oct 16 09:16:49 UTC 2017


On Mon, Oct 16, 2017 at 05:15:50PM +1000, Dave Airlie wrote:
> On 16 October 2017 at 16:53, Tomi Valkeinen <tomi.valkeinen at ti.com> wrote:
> >
> > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> >
> > On 13/10/17 18:09, Tony Lindgren wrote:
> >
> >>> Looks like today's next build fails if omapdrm is enabled as modules
> >>> with:
> >>>
> >>> depmod: ERROR: Cycle detected: drm_kms_helper -> drm -> drm_kms_helper
> >>> depmod: ERROR: Found 2 modules in dependency cycles!
> >>> make: *** [Makefile:1261: _modinst_post] Error 1
> >>
> >> Making CONFIG_DRM=y and CONFIG_DRM_KMS_HELPER=y instead of
> >> lodable modules makes it build.
> >
> > The same happens even after disabling omapdrm, so it's somewhere in the
> > common code.
> >
> > Interestingly, my depmod crashes when encountering this.
> 
> There is a fix for this in drm-misc, I should probably pull it over.
> 
> If I haven't been sent a pull tomorrow, I'll grab it.

You're too much ahead for a pull request on your Monday, but you'll get it
asap :-)

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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