From de3a0fde9afe551440db486f3f5ee52c8f15120a Mon Sep 17 00:00:00 2001
From: Vijay Purushothaman <vijay.a.purushothaman@linux.intel.com>
Date: Thu, 5 Mar 2015 19:32:06 +0530
Subject: [PATCH] drm/i915: Initialize CHV digital lock detect threshold

Initialize lock detect threshold and select coarse threshold for the
case where M2 fraction division is disabled.

v2: Split the changes into multiple smaller patches (Ville)
v3: Clear out the old bits before we modify those bits as RMW (Ville)
v4: Reset coarse threshold when M2 fraction is enabled (Ville)

Signed-off-by: Vijay Purushothaman <vijay.a.purushothaman@linux.intel.com>
Reviewed-by: Ville Syrjala <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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