From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 4 Oct 2011 16:23:24 +0000 (-0400)
Subject: drm/radeon/kms: fix dp_detect handling for DP bridge chips
X-Git-Tag: v3.1-rc10~15^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6777a4f6898a53974ef7fe7ce09ec41fae0f32db;p=pandora-kernel.git

drm/radeon/kms: fix dp_detect handling for DP bridge chips

The HPD pin is not reliable for detecting whether a monitor
is connected or not.  Skip HPD and just use DDC or load
detection.

Fixes phantom VGA connected bugs.

[Michel: fixes phantom VGA bugs on his llano system.]

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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