From: Thierry Reding <treding@nvidia.com>
Date: Fri, 22 Nov 2013 15:37:57 +0000 (+0100)
Subject: drm/dp: Add drm_dp_dpcd_read_link_status()
X-Git-Tag: v3.15-rc1~51^2~63^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d4adc6a5807ca51999421b4d6d4f193c95775ba;p=pandora-kernel.git

drm/dp: Add drm_dp_dpcd_read_link_status()

The function reads the link status (6 bytes starting at offset 0x202)
from the DPCD so that it can be conveniently passed to other DPCD
helpers.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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