cpupower: Do detect IDA (opportunistic processor performance) via cpuid

[pandora-kernel.git] / tools / power / cpupower / utils / helpers / cpuid.c

diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c
index a97f091..906895d 100644 (file)
--- a/tools/power/cpupower/utils/helpers/cpuid.c
+++ b/tools/power/cpupower/utils/helpers/cpuid.c
@@ -130,6 +130,12 @@ out:
                        cpu_info->caps |= CPUPOWER_CAP_AMD_CBP;
        }
 
+       if (cpu_info->vendor == X86_VENDOR_INTEL) {
+               if (cpuid_level >= 6 &&
+                   (cpuid_eax(6) & (1 << 1)))
+                       cpu_info->caps |= CPUPOWER_CAP_INTEL_IDA;
+       }
+
        if (cpu_info->vendor == X86_VENDOR_INTEL) {
                /* Intel's perf-bias MSR support */
                if (cpuid_level >= 6 && (cpuid_ecx(6) & (1 << 3)))