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DateMon, 10 May 2010 15:32:06 -0700
FromGreg KH <>
Subject[035/117] powernow-k8: Fix frequency reporting
2.6.33-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Mark Langsdorf <mark.langsdorf@amd.com>

commit b810e94c9d8e3fff6741b66cd5a6f099a7887871 upstream.

With F10, model 10, all valid frequencies are in the ACPI _PST table.

Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
LKML-Reference: <1270065406-1814-6-git-send-email-bp@amd64.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -929,7 +929,8 @@ static int fill_powernow_table_pstate(st
powernow_table[i].index = index;

/* Frequency may be rounded for these */
- if (boot_cpu_data.x86 == 0x10 || boot_cpu_data.x86 == 0x11) {
+ if ((boot_cpu_data.x86 == 0x10 && boot_cpu_data.x86_model < 10)
+ || boot_cpu_data.x86 == 0x11) {
powernow_table[i].frequency =
freq_from_fid_did(lo & 0x3f, (lo >> 6) & 7);
} else



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