diff options
Diffstat (limited to 'tools/power/cpupower/utils/helpers/cpuid.c')
| -rw-r--r-- | tools/power/cpupower/utils/helpers/cpuid.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c index db2e88ceb67b..72eb43593180 100644 --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -129,9 +129,13 @@ out: if (cpu_info->vendor == X86_VENDOR_AMD || cpu_info->vendor == X86_VENDOR_HYGON) { if (ext_cpuid_level >= 0x80000007) { - if (cpuid_edx(0x80000007) & (1 << 9)) + if (cpuid_edx(0x80000007) & (1 << 9)) { cpu_info->caps |= CPUPOWER_CAP_AMD_CPB; + if (cpu_info->family >= 0x17) + cpu_info->caps |= CPUPOWER_CAP_AMD_CPB_MSR; + } + if ((cpuid_edx(0x80000007) & (1 << 7)) && cpu_info->family != 0x14) { /* HW pstate was not implemented in family 0x14 */ |