From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 3 Oct 2011 13:13:46 +0000 (-0400)
Subject: drm/radeon/kms: add retry limits for native DP aux defer
X-Git-Tag: v3.1-rc9~3^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6375bda073724ead7df08746866b724b1799a295;p=pandora-kernel.git

drm/radeon/kms: add retry limits for native DP aux defer

The previous code could potentially loop forever.  Limit
the number of DP aux defer retries to 4 for native aux
transactions, same as i2c over aux transactions.

Noticed by: Brad Campbell <lists2009@fnarfbargle.com>

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Brad Campbell <lists2009@fnarfbargle.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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