From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Wed, 9 Jul 2014 11:55:56 +0000 (+0300)
Subject: drm/i915/chv: calculate rc6 residency correctly
X-Git-Tag: cleanup-for-v3.18~84^2~20^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=542a6b205b184ec90e2108aaebaf8ba16128baec;p=pandora-kernel.git

drm/i915/chv: calculate rc6 residency correctly

The register to read cz count is different from vlv. Also
the counts returned from CCK_CTL1 for BSW are (ticks in 30ns - 1).
czcount_30ns of value 1 is a special case for 320Mhz.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80703
Suggested-by: Deepak S <deepak.s@linux.intel.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Tested-by: Guo Jinxian <jinxianx.guo@intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

Reading git-diff-tree failed