From 7c3f0a2726fed78e0e0afe3b6fc3c1f5b298e447 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Fri, 8 Jan 2010 10:58:20 +0800
Subject: [PATCH] drm/i915: try another possible DDC bus for the SDVO device
 with multiple outputs

There exist multiple DDC buses for the SDVO cards with multiple outputs.
When we can't get the EDID by using the select DDC bus, we can try the other
possible DDC bus to see whether the EDID can be obtained.

https://bugs.freedesktop.org/show_bug.cgi?id=23842

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Tested-by: Sebastien Caty <sebastien.caty@mrnf.gouv.qc.ca>
Signed-off-by: Eric Anholt <eric@anholt.net>
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