From d30df55b3ec069283408b6d3b013bcba52dd03dc Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 14 Jan 2014 10:45:51 -0500
Subject: [PATCH] drm/radeon/dp: sleep after powering up the display

According to the DP 1.1 spec, the sink must power
up within 1ms.  Noticed while reviewing Thierry's
drm/dp patches.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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