From 1de4582f98db7eafd12695139aed7df6a0a0ff3a Mon Sep 17 00:00:00 2001
From: Nick Hoath <nicholas.hoath@intel.com>
Date: Thu, 5 Feb 2015 10:47:19 +0000
Subject: [PATCH] drm/i915/gen9: Implement
 WaDisableDgMirrorFixInHalfSliceChicken5

Move WaDisableDgMirrorFixInHalfSliceChicken5 to gen9_init_workarounds

v2: Added stepping check

v3: Removed unused register bitmap

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
[danvet: Bikesheds.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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