From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 82781] Option to disable mclk reclocking with AMD R9 280X (TAHITI) to avoid screen flickering on VGA/CRT
Date: Tue, 19 Aug 2014 16:16:30 +0000 [thread overview]
Message-ID: <bug-82781-2300-ol9TIHyFfy@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-82781-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=82781
--- Comment #5 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 147331
--> https://bugzilla.kernel.org/attachment.cgi?id=147331&action=edit
possible fix
As you can see from your log, the vblank time for the mode you've selected is
right at the mclk switching limit:
[ 5.943137] vblank_time 450, switch_limit 450
so I guess in your case, there are times when it doesn't quite complete in
time. A minor adjustment to the comparison should fix it.
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next prev parent reply other threads:[~2014-08-19 16:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-19 15:11 [Bug 82781] New: Option to disable mclk reclocking with AMD R9 280X (TAHITI) to avoid screen flickering on VGA/CRT bugzilla-daemon
2014-08-19 15:23 ` [Bug 82781] " bugzilla-daemon
2014-08-19 15:56 ` bugzilla-daemon
2014-08-19 15:57 ` bugzilla-daemon
2014-08-19 16:00 ` bugzilla-daemon
2014-08-19 16:16 ` bugzilla-daemon [this message]
2014-08-19 16:27 ` bugzilla-daemon
2014-08-19 16:38 ` bugzilla-daemon
2014-08-19 17:08 ` bugzilla-daemon
2014-08-19 17:11 ` bugzilla-daemon
2014-08-19 17:58 ` bugzilla-daemon
2014-08-19 18:46 ` bugzilla-daemon
2014-08-19 19:12 ` bugzilla-daemon
2014-08-19 19:39 ` bugzilla-daemon
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