cpupower: Do detect IDA (opportunistic processor performance) via cpuid
IA32-Intel Devel guide Volume 3A - 14.3.2.1
-------------------------------------------
...
Opportunistic processor performance operation can be disabled by setting bit 38 of
IA32_MISC_ENABLES. This mechanism is intended for BIOS only. If
IA32_MISC_ENABLES[38] is set, CPUID.06H:EAX[1] will return 0.
Better detect things via cpuid, this cleans up the code a bit
and the MSR parts were not working correctly anyway.
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: lenb@kernel.org
CC: linux@dominikbrodowski.net
CC: cpufreq@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h
index 9125a55..592ee36 100644
--- a/tools/power/cpupower/utils/helpers/helpers.h
+++ b/tools/power/cpupower/utils/helpers/helpers.h
@@ -58,6 +58,7 @@
#define CPUPOWER_CAP_PERF_BIAS 0x00000008
#define CPUPOWER_CAP_HAS_TURBO_RATIO 0x00000010
#define CPUPOWER_CAP_IS_SNB 0x00000011
+#define CPUPOWER_CAP_INTEL_IDA 0x00000012
#define MAX_HW_PSTATES 10
@@ -115,9 +116,6 @@
extern int msr_intel_get_perf_bias(unsigned int cpu);
extern unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu);
-extern int msr_intel_has_boost_support(unsigned int cpu);
-extern int msr_intel_boost_is_active(unsigned int cpu);
-
/* Read/Write msr ****************************/
/* PCI stuff ****************************/
@@ -163,11 +161,6 @@
static inline unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu)
{ return 0; };
-static inline int msr_intel_has_boost_support(unsigned int cpu)
-{ return -1; };
-static inline int msr_intel_boost_is_active(unsigned int cpu)
-{ return -1; };
-
/* Read/Write msr ****************************/
static inline int cpufreq_has_boost_support(unsigned int cpu, int *support,