[Nouveau] [Bug 100139] [DRI2][PRIME] nouveau driver cannot find any connected connector

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100139

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Anthoine Bourgeois from comment #4)
> (In reply to Ilia Mirkin from comment #3)
> > No clue. I don't use xfwm and don't want to lie about what it does. Most
> > wm's (window managers) are not compositors at all.
> 
> It works with mutter/grome3, so it was a xfwm problem.

The composition probably just needs to come from a different application. Like
xcompmgr or something. Or perhaps xfwm has an option to enable composition.

If you update your stack and switch to DRI3, you won't need to use a
compositor. I'd recommend Xorg 1.18 + Mesa 17.0. With the latter you'll get a
lot more out of both your iGPU and dGPUs.

If you update to kernel 4.10 you should be able to manually reclock your dGPU
in order to make full use of its performance.

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