[Bug 76539] [BYT] RC6 cannot enable using 2014Q1 Release kernel 3.13.6
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Mar 26 13:08:01 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=76539
Daniel Vetter <daniel at ffwll.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Daniel Vetter <daniel at ffwll.ch> ---
For checking whether rc6 works you need to install recent powertop and check
rc6 residency when idle. If it's towards 100% then rc6 works. And 3.13 doesn't
have support for this debugfs file yet, that was only added in
commit 669ab5aaeb3bedaae758c938d0efafe8aad07ed0
Author: Deepak S <deepak.s at intel.com>
Date: Fri Jan 10 15:18:26 2014 +0530
drm/i915/vlv: Add drpc debugfs support for valleyview
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