From 0aec288130713cf7bcf97c929ac5fab6a8e00e44 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 27 Sep 2013 19:01:01 +0300
Subject: [PATCH] drm/dp: constify DP DPCD helpers
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None of the DP DPCD helpers need to modify the DPCD.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reading git-format-patch failed