Comment # 8 on bug 1091828 from Stefan Dirsch

(In reply to Michal Srb from comment #7)
> (In reply to Stefan Dirsch from comment #5)
> > With NVIDIA being primary GPU, both GPUs active and using 'prime-select
> > intel' after running 
> > 
> >   xrandr --setprovideroutputsource modesetting NVIDIA-0
> > 
> > result is:
> > ...
> 
> If it can be done manually, it should have been done automatically by the
> patch. So something seems to be wrong with it...

Ok. Could be related to "nvidia". Need to try also with "nouveau" driver.

> > After running 'prime-select nvidia' I observe a blank screen.
> 
> The prime-select script copies the /etc/prime/xorg.conf into
> /etc/X11/xorg.conf.d/90-nvidia.conf (and changes the PCI ID inside). The
> /etc/prime/xorg.conf contains "Device" section with the "intel" driver.
> Maybe it should be "modesetting" nowadays?

Tried this already. No change. But I'm not sure I fully understand when one
should use this option. I mean which GPU should be the primary one configured
in Firmware then?