drm/i915: try another possible DDC bus for the SDVO device with multiple outputs
authorZhao Yakui <yakui.zhao@intel.com>
Fri, 8 Jan 2010 02:58:20 +0000 (10:58 +0800)
committerEric Anholt <eric@anholt.net>
Tue, 12 Jan 2010 22:54:07 +0000 (14:54 -0800)
commit7c3f0a2726fed78e0e0afe3b6fc3c1f5b298e447
tree372af112c8014680f1cf30713c35bb060d86eb41
parent6a304caf0bf9c429fc261f260b86cabf5bde2cbb
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>
drivers/gpu/drm/i915/intel_sdvo.c