On Tue, Nov 06, 2018 at 06:41:22PM +0200, Ville Syrjälä wrote: > On Tue, Nov 06, 2018 at 05:24:15PM +0100, Thierry Reding wrote: > > From: Thierry Reding <treding@xxxxxxxxxx> > > > > Irrespective of whether or not the device has any usable outputs, the > > modesetting helpers will try to register all the resources such as CRTCs > > and planes. Unfortunately, the helpers rely on drm_mode_config_init() to > > properly set up internal data structures. Since the Tegra GPU does not > > have a display engine, the Nouveau driver doesn't set this up for Tegra, > > which results in the following oops on driver probe: > > Remove DRIVER_MODESET ? Yeah, that works as well. Technically I suppose somebody could be instantiating the IP in an SoC and include a display engine, in which case we'd need the DRIVER_MODESET feature again, but I'm not aware of anyone doing that, so it may not be worth planning for that at this point. Thierry
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