From 77873887729aaddec5cd27203a6ce8c4987733e4 Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Thu, 6 Nov 2014 09:40:46 -0800
Subject: [PATCH] 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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