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-rw-r--r--tools/power/cpupower/utils/helpers/amd.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index bb41cdd0df6b..9607ada5b29a 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -33,7 +33,7 @@ union msr_pstate {
unsigned vid:8;
unsigned iddval:8;
unsigned idddiv:2;
- unsigned res1:30;
+ unsigned res1:31;
unsigned en:1;
} fam17h_bits;
unsigned long long val;
@@ -119,6 +119,11 @@ int decode_pstates(unsigned int cpu, unsigned int cpu_family,
}
if (read_msr(cpu, MSR_AMD_PSTATE + i, &pstate.val))
return -1;
+ if ((cpu_family == 0x17) && (!pstate.fam17h_bits.en))
+ continue;
+ else if (!pstate.bits.en)
+ continue;
+
pstates[i] = get_cof(cpu_family, pstate);
}
*no = i;

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