From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.sourceforge.net
Subject: [Bug 29272] New: [BISECTED] Screen becomes corrupted when switching video mode with Radeon KMS
Date: Thu, 17 Feb 2011 00:52:26 GMT [thread overview]
Message-ID: <bug-29272-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=29272
Summary: [BISECTED] Screen becomes corrupted when switching
video mode with Radeon KMS
Product: Drivers
Version: 2.5
Kernel Version: 2.6.38-rc5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
ReportedBy: jlp.bugs@gmail.com
CC: alexdeucher@gmail.com
Regression: Yes
After updating the kernel to 2.6.38-rc5 screen gets corrupted when video mode
switches for KMS. This is on laptop eMachines E640G with integrated ATI
Mobility Radeon HD 5470. It was working just fine with -rc4. I have bisected
the commits and this one was pointed out as the culprit:
5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff is the first bad commit
commit 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff
Author: Alex Deucher <alexdeucher@gmail.com>
Date: Mon Feb 14 11:43:11 2011 -0500
drm/radeon/kms: hopefully fix pll issues for real (v3)
The problematic boards have a recommended reference divider
to be used when spread spectrum is enabled on the laptop panel.
Enable the use of the recommended reference divider along with
the new pll algo.
v2: testing options
v3: When using the fixed reference divider with LVDS, prefer
min m to max p and use fractional feedback dividers.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=28852
https://bugzilla.kernel.org/show_bug.cgi?id=24462
https://bugzilla.kernel.org/show_bug.cgi?id=26552
MacbookPro issues reported by Justin Mattock <justinmattock@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
:040000 040000 8736f993b97cc8370fd29048761a1e0da4969306
657bdb221e3f4da6efdfec02f8f348db5a537b29 M drivers
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next reply other threads:[~2011-02-17 0:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 0:52 bugzilla-daemon [this message]
2011-02-17 0:54 ` [Bug 29272] [BISECTED] Screen becomes corrupted when switching video mode with Radeon KMS bugzilla-daemon
2011-02-17 0:55 ` bugzilla-daemon
2011-02-17 0:58 ` bugzilla-daemon
2011-02-17 1:04 ` bugzilla-daemon
2011-02-17 1:06 ` bugzilla-daemon
2011-02-17 1:24 ` bugzilla-daemon
2011-02-17 1:44 ` bugzilla-daemon
2011-02-17 1:53 ` bugzilla-daemon
2011-02-17 2:06 ` bugzilla-daemon
2011-02-17 2:07 ` bugzilla-daemon
2011-02-17 2:18 ` bugzilla-daemon
2011-02-17 22:57 ` bugzilla-daemon
2011-02-20 0:15 ` bugzilla-daemon
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