[Nouveau] [Bug 106994] [PATCH] Fix null pointer dereference in drmmode_output_dpms

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106994

--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to John Lindgren from comment #3)
> Ilia, I tested your tree and it behaves as you expected -- it fixes the
> crash on undocking (I see that it adds the same koutput == NULL check) but
> doesn't find the external displays on docking again.  I'm not sure what
> further information you want me to provide.

The xorg log with my various additional prints + the output of "xrandr" after
you reconnect the external displays would be a good start.

> 
> I understand that you would like to finish the larger project and get
> external DP displays working 100%, but is there any reason why we couldn't
> start by committing the koutput == NULL check to fix the crash?

Absolutely, I think that's a good idea. [I can't do it this second, but will
try to get to it soon.]

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