[Nouveau] [Bug 91333] Connecting second of two monitors to a Lenovo W520 causes displays to go crazy

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91333

--- Comment #9 from Corey Ashford <cjashfor at us.ibm.com> ---
(In reply to Mark Cave-Ayland from comment #8)
> Apologies for jumping in on another bug report, however this sounds exactly
> like the problem I've been struggling with for years on my Lenovo T420s:
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=56615
> 
> I see the same symptoms in that the kernel "hangs" with an external
> DisplayPort connected in discrete mode when trying to use the internal LVDS
> with the external monitor. It seems the message I get in the kernel log is
> similar too:
> 
> nouveau E[   PDISP][0000:01:00.0] chid 1 mthd 0x0080 data 0x00000000
> 0x00005080 0x0000000

Yeah, it does seem similar.  However, in my case, a single external monitor
along with the internal LVDS works fine.

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