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[CPUFREQ] correct powernow-k8 fid/vid masks for extended parts

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The fid/vid masks for parts using the extended parts are slightly incorrect and can result in
incorrect fid/vid codes being applied.  No instances of this problem have been reported in
the field but it could be a problem with future parts.

Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Langsdorf, Mark 2006-06-08 10:33:19 -05:00 committed by Dave Jones
parent e7bdd7a531
commit 6cad647da2
2 changed files with 5 additions and 3 deletions
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4
arch/i386/kernel/cpu/cpufreq/powernow-k8.c
View File

@ -885,8 +885,8 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, struct cpuf
u32 vid;
if (data->exttype) {
fid = data->acpi_data.states[i].status & FID_MASK;
vid = (data->acpi_data.states[i].status >> VID_SHIFT) & VID_MASK;
fid = data->acpi_data.states[i].status & EXT_FID_MASK;
vid = (data->acpi_data.states[i].status >> VID_SHIFT) & EXT_VID_MASK;
} else {
fid = data->acpi_data.states[i].control & FID_MASK;
vid = (data->acpi_data.states[i].control >> VID_SHIFT) & VID_MASK;

4
arch/i386/kernel/cpu/cpufreq/powernow-k8.h
View File

@ -169,7 +169,9 @@ struct powernow_k8_data {
#define MVS_MASK 3
#define VST_MASK 0x7f
#define VID_MASK 0x1f
#define FID_MASK 0x3f
#define FID_MASK 0x1f
#define EXT_VID_MASK 0x3f
#define EXT_FID_MASK 0x3f
/*