From 9ca2fe731b3f12afbc97cf0050dfa4184bd2234c Mon Sep 17 00:00:00 2001
From: Mengdong Lin <mengdong.lin@intel.com>
Date: Fri, 1 Nov 2013 00:17:03 -0400
Subject: [PATCH] drm/i915/vlv: enable HDA display audio for Valleyview2

This patch defines HD-Audio configuration registers and enables display audio
from HDA controller for Valleyview2.

v2: fix missing offset VLV_DISPLAY_BASE
v3: rename patch from 'enable HDMI audio' to 'enable HDA display audio', since
    it's for both HDMI and DP audio
v4: use enc_to_dig_port() to get port number, instead of using Haswell specific
    function intel_ddi_get_encoder_port()

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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