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authorVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>2005-12-14 15:05:00 -0500
committerLen Brown <len.brown@intel.com>2006-02-09 03:21:49 -0500
commitd52bb94d56676acd9bdac8e097257a87b4b1b2e1 (patch)
treef8b2d60d74eeb045860983ebeb1696869973ac6e
parentc52851b60cc0aaaf974ff0e49989fb698220447d (diff)
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.c2
-rw-r--r--arch/x86_64/kernel/acpi/processor.c2
-rw-r--r--include/acpi/pdc_intel.h5
3 files changed, 7 insertions, 2 deletions
diff --git a/arch/i386/kernel/acpi/processor.c b/arch/i386/kernel/acpi/processor.c
index 9f4cc02717ec..b54fded49834 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 3bdc2baa5bb1..81fcb3f869f2 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 3fa81d55cd0c..c5472be6f3a2 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)