From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 58121] Radeon SUMO: LVDS panel blanks when enabling external monitor
Date: Tue, 25 Feb 2014 10:29:07 +0000 [thread overview]
Message-ID: <bug-58121-2300-mDwxjNU3kM@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-58121-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=58121
Niels Ole Salscheider <niels_ole@salscheider-online.de> changed:
What |Removed |Added
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CC| |niels_ole@salscheider-onlin
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--- Comment #6 from Niels Ole Salscheider <niels_ole@salscheider-online.de> ---
Created attachment 127381
--> https://bugzilla.kernel.org/attachment.cgi?id=127381&action=edit
Possible fix
I tried a current git checkout and noticed that now only DisplayPort monitors
cause the problem - VGA works fine.
After debugging the issue a bit further I noticed that the problem seems to be
caused by a shared PLL between the bridge chip and the DP monitor.
The attached patch fixes the issue for me but I am not sure if we must not
share PLLs at all or just not with the bridge chip.
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next prev parent reply other threads:[~2014-02-25 10:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-14 10:23 [Bug 58121] New: Radeon SUMO: LVDS panel blanks when enabling external monitor bugzilla-daemon
2013-05-14 10:23 ` [Bug 58121] " bugzilla-daemon
2013-05-14 12:42 ` bugzilla-daemon
2013-05-14 20:22 ` bugzilla-daemon
2013-09-12 3:03 ` bugzilla-daemon
2013-11-13 20:31 ` bugzilla-daemon
2013-11-13 20:36 ` bugzilla-daemon
2014-02-25 10:29 ` bugzilla-daemon [this message]
2014-02-25 10:29 ` bugzilla-daemon
2014-02-25 15:27 ` bugzilla-daemon
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