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authorDirk Brandewie <dirk.brandewie@gmail.com>2013-03-24 00:54:39 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-03-25 15:12:59 +0100
commite6f3eb29be471c4b536a91daab76d4aeda72a261 (patch)
tree486b428bb7ade6c304ba82e909dca262fce8ef54 /drivers/cpufreq
parentb563b4e3f2dd601e19b46ada31bd176fc0a16efc (diff)
cpufreq / intel_pstate: Fix calculation of current frequency
Use the correct pstate value to calculate the effective frequency. References: https://bugzilla.redhat.com/show_bug.cgi?id=923942 Reported-by: Satish Balay <balay@fastmail.fm> Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/intel_pstate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index cd9c5f4f5805..b662529072f7 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -454,7 +454,7 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu,
sample->idletime_us * 100,
sample->duration_us);
core_pct = div64_u64(sample->aperf * 100, sample->mperf);
- sample->freq = cpu->pstate.turbo_pstate * core_pct * 1000;
+ sample->freq = cpu->pstate.max_pstate * core_pct * 1000;
sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct),
100);