Mika Kuoppala c000456c8c drm/i915/skl: Add WaDisableGafsUnitClkGating
We need to disable clock gating in this unit to work around
hardware issue causing possible corruption/hang.

v2: name the bit (Ville)
v3: leave the fix enabled for 2227050 and set correct bit (Matthew)

References: HSD#2227156, HSD#2227050
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-2-git-send-email-mika.kuoppala@intel.com
(cherry picked from commit eee8efb02a0f9284d85e6b3688f944ca765d7ad3)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
2016-07-15 15:51:21 +03:00
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