From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 39027] [evergreen] Monitor fails to come back after unplug and
replug (recent regression)
Date: Thu, 7 Jul 2011 02:50:22 -0700 (PDT)
Message-ID: <20110707095022.C0A4513004D@annarchy.freedesktop.org>
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https://bugs.freedesktop.org/show_bug.cgi?id=39027
Thomas Lindroth changed:
What |Removed |Added
----------------------------------------------------------------------------
Product|xorg |DRI
Component|Driver/Radeon |DRM/Radeon
AssignedTo|xorg-driver-ati@lists.x.org |dri-devel@lists.freedesktop
| |.org
QAContact|xorg-team@lists.x.org |
--- Comment #1 from Thomas Lindroth 2011-07-07 02:50:21 PDT ---
It is a kernel regression. A bisect on the drivers/gpu folder resulted in the
following likely candidate.
commit 1e85e1d07b9255bd52c557f1a77fb72ccfacaf1c
Author: Alex Deucher
Date: Fri May 20 04:34:29 2011 -0400
drm/radeon/kms: simplify hotplug handler logic
In the hotplug handler, just use the drm dpms functions.
If the monitor is plugged in, turn it on, if it's not,
turn it off. This also reduces power usage by turning
off the encoder and crtc when the monitor is unplugged.
Signed-off-by: Alex Deucher
Signed-off-by: Dave Airlie
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