[PATCH] cpufreq/intel_pstate: Fix calculation of current frequency

[dirk . brandewie]

From: Dirk Brandewie <dirk.brandewie@xxxxxxxxx>

Use the correct pstate value to calculate the effective frequency.

https://bugzilla.redhat.com/show_bug.cgi?id=923942
Reported-by: Satish Balay <balay@xxxxxxxxxxx>

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>
---
 drivers/cpufreq/intel_pstate.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index e84af66..ad72922 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);
-- 
1.7.7.6

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