forked from Minki/linux
intel_pstate: Remove freq calculation from intel_pstate_calc_busy()
Use a helper function to compute the average pstate and call it only where it is needed (only when tracing or in intel_pstate_get). Signed-off-by: Philippe Longepe <philippe.longepe@linux.intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -881,12 +881,6 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu)
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core_pct = int_tofp(sample->aperf) * int_tofp(100);
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core_pct = div64_u64(core_pct, int_tofp(sample->mperf));
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sample->freq = fp_toint(
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mul_fp(int_tofp(
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cpu->pstate.max_pstate_physical *
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cpu->pstate.scaling / 100),
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core_pct));
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sample->core_pct_busy = (int32_t)core_pct;
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}
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@ -920,6 +914,12 @@ static inline void intel_pstate_sample(struct cpudata *cpu, u64 time)
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cpu->prev_tsc = tsc;
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}
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static inline int32_t get_avg_frequency(struct cpudata *cpu)
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{
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return div64_u64(cpu->pstate.max_pstate_physical * cpu->sample.aperf *
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cpu->pstate.scaling, cpu->sample.mperf);
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}
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static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu)
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{
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struct sample *sample = &cpu->sample;
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@ -1015,7 +1015,7 @@ static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu)
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sample->mperf,
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sample->aperf,
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sample->tsc,
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sample->freq);
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get_avg_frequency(cpu));
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}
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static void intel_pstate_update_util(struct update_util_data *data, u64 time,
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@ -1104,7 +1104,7 @@ static unsigned int intel_pstate_get(unsigned int cpu_num)
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if (!cpu)
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return 0;
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sample = &cpu->sample;
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return sample->freq;
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return get_avg_frequency(cpu);
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}
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static int intel_pstate_set_policy(struct cpufreq_policy *policy)
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