From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Thu, 6 Nov 2014 17:40:46 +0000 (-0800)
Subject: x86: Add support for Intel HWP feature detection.
X-Git-Tag: omap-for-v3.19/fixes-rc1~136^2~1^2~6^2~7^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=77873887729aaddec5cd27203a6ce8c4987733e4;p=pandora-kernel.git

x86: Add support for Intel HWP feature detection.

Add support of Hardware Managed Performance States (HWP) described in Volume 3
section 14.4 of the SDM.

One bit CPUID.06H:EAX[bit 7] expresses the presence of the HWP feature on
the processor. The remaining bits CPUID.06H:EAX[bit 8-11] denote the
presense of various HWP features.

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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