drm/i915/skl: Add WAC6entrylatency
authorMika Kuoppala <mika.kuoppala@linux.intel.com>
Tue, 7 Jun 2016 14:19:09 +0000 (17:19 +0300)
committerMika Kuoppala <mika.kuoppala@intel.com>
Wed, 8 Jun 2016 13:25:10 +0000 (16:25 +0300)
commit44fff99ff25f1dd528b260dc3f03f2a38c6155a7
treebea35b581ea7170261fc65f428a2017972c8b7d1
parent6fc29133eafb9eb3338024884f3a5a4fa844d45c
drm/i915/skl: Add WAC6entrylatency

This workaround is for fbc working with rc6 on skylake. Bspec
states that setting this bit needs to be coordinated with uncore
but offers no further details.

v2: rebase

References: HSD#4712857
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-18-git-send-email-mika.kuoppala@intel.com
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_pm.c