[Nouveau] [Bug 89484] New: xrandr no output to DisplayPort with GeForce GT 520M.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89484

            Bug ID: 89484
           Summary: xrandr no output to DisplayPort with GeForce GT 520M.
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: corey.quixote at gmail.com
        QA Contact: xorg-team at lists.x.org

Originially posted in Archlinux BBS:
https://bbs.archlinux.org/viewtopic.php?id=193143

DisplayPort fails to show output when using xrandr to set display.  Monitor
shown as "connected" and displays correct modes, however no output is sent to
the attached monitor. 

dmesg and xorg.0.log are showing errors related to Nouveau driver (see
attachments in subsequent posts).

xorg.conf is empty (defaults).

Machine uses descrete graphics (Optimus), with DisplayPort attached to the
Nvidia card:

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)

01:00.0 VGA compatible controller: NVIDIA Corporation GF119M 
[GeForce GT 520M] (rev a1)

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