intel_pstate: Move intel_pstate_calc_busy() into get_target_pstate_use_performance()
The cpu_load algorithm doesn't need to invoke intel_pstate_calc_busy(), so move that call from intel_pstate_sample() to get_target_pstate_use_performance(). 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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@ -915,8 +915,6 @@ static inline void intel_pstate_sample(struct cpudata *cpu, u64 time)
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cpu->sample.mperf -= cpu->prev_mperf;
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cpu->sample.tsc -= cpu->prev_tsc;
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intel_pstate_calc_busy(cpu);
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cpu->prev_aperf = aperf;
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cpu->prev_mperf = mperf;
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cpu->prev_tsc = tsc;
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@ -945,7 +943,6 @@ static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu)
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mperf = cpu->sample.mperf + delta_iowait_mperf;
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cpu->prev_cummulative_iowait = cummulative_iowait;
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/*
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* The load can be estimated as the ratio of the mperf counter
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* running at a constant frequency during active periods
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@ -963,6 +960,8 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu)
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int32_t core_busy, max_pstate, current_pstate, sample_ratio;
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u64 duration_ns;
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intel_pstate_calc_busy(cpu);
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/*
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* core_busy is the ratio of actual performance to max
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* max_pstate is the max non turbo pstate available
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