From 7b555e068de613b52b068adf3c74f0c774c28365 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 28 May 2014 19:14:36 -0400
Subject: [PATCH] drm/radeon: Setup HDMI_CONTROL for hdmi deep color gcp's (v2)

Program HDMI_CONTROL to send general control packets
for hdmi deep color mode signalling at every video
frame if bpc > 8.

This is only supported on evergreen / DCE-4 and later.

v2: rebase

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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