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x86: Add support for Intel HWP feature detection.
authorDirk Brandewie <dirk.j.brandewie@intel.com>
Thu, 6 Nov 2014 17:40:46 +0000 (09:40 -0800)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Tue, 11 Nov 2014 23:04:37 +0000 (00:04 +0100)
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>

No differences found
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