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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 46711] Monitor not turning on after DisplayPort re-plug in Xorg
Date: Thu, 24 Mar 2016 10:41:02 +0000	[thread overview]
Message-ID: <bug-46711-502-Sf5vtb34mK@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-46711-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=46711

--- Comment #23 from martin f. krafft <bugs.freedesktop.org@pobox.madduck.net> ---
I am also seeing this problem on Debian Sid with a new Radeon R9 390 card and
two Samsung monitors connected with DisplayPort. The third monitor on DVI works
just fine.

Here's the card:

  06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Hawaii PRO [Radeon R9 290] (rev 80)

  Kernel is version 4.4.0 (amd64)
  X.org is version 7.7
  Radeon driver is version 7.6.1

Restarting X.org does *not* turn the monitors/displays on. They are in a really
weird state: not flashing as to indicate power-saving, but completely
blank/dark, and I can't even call up the OSD menu.

The only way to get these displays to work is to disconnect the DP cable, turn
them off and on, and then connect the DP cable again.

Here is abridged xrandr output:

Screen 0: minimum 320 x 200, current 5888 x 1152, maximum 16384 x 16384
DisplayPort-0 connected 1920x1080+0+0 (normal left inverted right x axis y
axis) 477mm x 268mm
   1920x1080     60.00*+  59.94  
   […]
DisplayPort-1 connected 1920x1080+3968+0 (normal left inverted right x axis y
axis) 477mm x 268mm
   1920x1080     60.00*+  59.94  
   […]
DisplayPort-2 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-0 connected primary 2048x1152+1920+0 (normal left inverted right x axis y
axis) 510mm x 287mm
   1920x1080     60.00 +  50.00    59.94  
   2048x1152     59.91*+
   […]

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  parent reply	other threads:[~2016-03-24 10:41 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-28 10:22 [Bug 46711] New: Monitor not turning on after DisplayPort re-plug in Xorg bugzilla-daemon
2012-02-28 11:58 ` [Bug 46711] " bugzilla-daemon
2012-02-28 12:10 ` bugzilla-daemon
2012-02-28 15:59 ` bugzilla-daemon
2012-04-13 21:48 ` bugzilla-daemon
2012-04-13 22:28 ` bugzilla-daemon
2012-04-16 15:00 ` bugzilla-daemon
2012-04-16 15:25 ` bugzilla-daemon
2012-04-16 15:54 ` bugzilla-daemon
2012-04-16 16:07 ` bugzilla-daemon
2012-04-17 15:23 ` bugzilla-daemon
2012-04-17 15:45 ` bugzilla-daemon
2012-04-17 16:09 ` bugzilla-daemon
2012-04-17 16:37 ` bugzilla-daemon
2012-04-18  7:59 ` bugzilla-daemon
2012-04-18  8:16 ` bugzilla-daemon
2012-04-18 14:07 ` bugzilla-daemon
2012-04-20 10:07 ` bugzilla-daemon
2014-04-09 18:05 ` bugzilla-daemon
2014-04-09 22:05 ` bugzilla-daemon
2015-01-07  1:40 ` bugzilla-daemon
2015-01-11  2:29 ` bugzilla-daemon
2015-07-20 21:41 ` bugzilla-daemon
2016-03-24 10:41 ` bugzilla-daemon [this message]
2019-02-09  9:35 ` bugzilla-daemon
2019-04-19  8:14 ` bugzilla-daemon
2019-11-19  8:25 ` bugzilla-daemon

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