From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 46711] New: Monitor not turning on after DisplayPort re-plug in
	Xorg
Date: Tue, 28 Feb 2012 10:22:57 +0000
Message-ID: <bug-46711-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=46711

             Bug #: 46711
           Summary: Monitor not turning on after DisplayPort re-plug in
                    Xorg
    Classification: Unclassified
           Product: DRI
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: tvrtko.ursulin@onelan.co.uk


Created attachment 57747
  --> https://bugs.freedesktop.org/attachment.cgi?id=57747
Kernel DRM debug log showing successful replug without, and failing with Xorg
running.

On a AMD G-T56N (Radeon HD 6310) box connected to the monitor via DisplayPort 
monitor does not come on after re-plugging the display cable but claims to be 
in power save.

At the same time, according to xrandr it is connected and displaying.

Stopping Xorg and monitor comes back up displaying the console.

Re-pluging the display cable with no Xorg running is fine.

Attached kernel DRM debug log. Log itself which ends after cable re-plug when
Xorg is running. Which is when the display goes into power save. Before that in
the same log you can find Xorg starting up and before that a successful cable
re-
plug when X was not running.

All this is with kernel.org 3.3.0-rc4 kernel. Xorg packages are:

xorg-x11-server-Xorg-1.11.3-1.fc16.x86_64
xorg-x11-drv-ati-6.14.3-8.20120209gite20284409.fc16.x86_64

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