diff options
Diffstat (limited to 'src/cpu/intel/speedstep')
| -rw-r--r-- | src/cpu/intel/speedstep/speedstep.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/cpu/intel/speedstep/speedstep.c b/src/cpu/intel/speedstep/speedstep.c index 96ac8e59e0..441f2a36af 100644 --- a/src/cpu/intel/speedstep/speedstep.c +++ b/src/cpu/intel/speedstep/speedstep.c @@ -55,15 +55,15 @@ static void speedstep_get_limits(sst_params_t *const params) /* Read normal maximum parameters. */ /* Newer CPUs provide the normal maximum settings in - IA32_PLATFORM_ID. The values in IA32_PERF_STS change + IA32_PLATFORM_ID. The values in IA32_PERF_STATUS change when using turbo mode. */ msr = rdmsr(IA32_PLATFORM_ID); params->max = SPEEDSTEP_STATE_FROM_MSR(msr.lo, state_mask); if (cpu_id == 0x006e) { /* Looks like Yonah CPUs don't have the frequency ratio in - IA32_PLATFORM_ID. Use IA32_PERF_STS instead, the reading + IA32_PLATFORM_ID. Use IA32_PERF_STATUS instead, the reading should be reliable as those CPUs don't have turbo mode. */ - msr = rdmsr(IA32_PERF_STS); + msr = rdmsr(IA32_PERF_STATUS); params->max.ratio = (msr.hi & SPEEDSTEP_RATIO_VALUE_MASK) >> SPEEDSTEP_RATIO_SHIFT; } |