diff options
| author | Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> | 2005-12-14 20:05:00 (GMT) |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2006-02-09 08:21:49 (GMT) |
| commit | d52bb94d56676acd9bdac8e097257a87b4b1b2e1 (patch) | |
| tree | f8b2d60d74eeb045860983ebeb1696869973ac6e | |
| parent | c52851b60cc0aaaf974ff0e49989fb698220447d (diff) | |
| download | linux-d52bb94d56676acd9bdac8e097257a87b4b1b2e1.tar.xz | |
Enable P-state software coordination via _PDC
http://bugzilla.kernel.org/show_bug.cgi?id=5737
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
| -rw-r--r-- | arch/i386/kernel/acpi/processor.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/acpi/processor.c | 2 | ||||
| -rw-r--r-- | include/acpi/pdc_intel.h | 5 |
3 files changed, 7 insertions, 2 deletions
diff --git a/arch/i386/kernel/acpi/processor.c b/arch/i386/kernel/acpi/processor.c index 9f4cc02..b54fded 100644 --- a/arch/i386/kernel/acpi/processor.c +++ b/arch/i386/kernel/acpi/processor.c @@ -47,7 +47,7 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c) buf[2] = ACPI_PDC_C_CAPABILITY_SMP; if (cpu_has(c, X86_FEATURE_EST)) - buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; + buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP; obj->type = ACPI_TYPE_BUFFER; obj->buffer.length = 12; diff --git a/arch/x86_64/kernel/acpi/processor.c b/arch/x86_64/kernel/acpi/processor.c index 3bdc2ba..81fcb3f 100644 --- a/arch/x86_64/kernel/acpi/processor.c +++ b/arch/x86_64/kernel/acpi/processor.c @@ -44,7 +44,7 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c) buf[0] = ACPI_PDC_REVISION_ID; buf[1] = 1; - buf[2] = ACPI_PDC_EST_CAPABILITY_SMP; + buf[2] = ACPI_PDC_EST_CAPABILITY_SWSMP; obj->type = ACPI_TYPE_BUFFER; obj->buffer.length = 12; diff --git a/include/acpi/pdc_intel.h b/include/acpi/pdc_intel.h index 3fa81d5..c5472be 100644 --- a/include/acpi/pdc_intel.h +++ b/include/acpi/pdc_intel.h @@ -18,6 +18,11 @@ ACPI_PDC_C_C1_HALT | \ ACPI_PDC_P_FFH) +#define ACPI_PDC_EST_CAPABILITY_SWSMP (ACPI_PDC_SMP_C1PT | \ + ACPI_PDC_C_C1_HALT | \ + ACPI_PDC_SMP_P_SWCOORD | \ + ACPI_PDC_P_FFH) + #define ACPI_PDC_C_CAPABILITY_SMP (ACPI_PDC_SMP_C2C3 | \ ACPI_PDC_SMP_C1PT | \ ACPI_PDC_C_C1_HALT) |