From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 16541] Imac Radeon HD 4850 switch "Mini Display Port" output
	with ALL kernels after 2.6.31
Date: Fri, 27 Aug 2010 17:55:37 GMT
Message-ID: <201008271755.o7RHtbHn030578@demeter1.kernel.org>
References: <bug-16541-2300@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=16541





--- Comment #7 from Alex Deucher <alexdeucher@gmail.com>  2010-08-27 17:54:43 ---
Someone with one of the problematic panels needs to tweak the link training
code until they get the monitor and the gpu to agree.  The link training
sequence is in dp_link_train() in atombios_dp.c in the kernel if you want to
play with it.  I'd suggest playing with the delays to start with.

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