From: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Date: Thu, 11 Jun 2009 15:26:48 +0000 (+0000)
Subject: [CPUFREQ] powernow-k8: read P-state from HW
X-Git-Tag: v2.6.31-rc1~284^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=532cfee6ba0a8efcf7c3ce38b9881292d79d516e;p=pandora-kernel.git

[CPUFREQ] powernow-k8: read P-state from HW

By definition, "cpuinfo_cur_freq" should report the value from HW. So, don't
depend on the cached value. Instead read P-state directly from HW, while
taking into account the erratum 311 workaround for Fam 11h processors.

Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Langsdorf, Mark <mark.langsdorf@amd.com>
Cc: Thomas Renninger <trenn@suse.de>

Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Reviewed-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Tested-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Acked-by: Langsdorf, Mark <mark.langsdorf@amd.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
---

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