From: Rafael J. Wysocki <[email protected]> Notice that get_avg_pstate() can use sample.core_avg_perf instead of carrying the same division again, so make it do that.
Signed-off-by: Rafael J. Wysocki <[email protected]> --- v1 -> v2: Use mul_ext_fp() to carry out the computation in get_avg_pstate(). --- drivers/cpufreq/intel_pstate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux-pm/drivers/cpufreq/intel_pstate.c =================================================================== --- linux-pm.orig/drivers/cpufreq/intel_pstate.c +++ linux-pm/drivers/cpufreq/intel_pstate.c @@ -1213,8 +1213,8 @@ static inline int32_t get_avg_frequency( static inline int32_t get_avg_pstate(struct cpudata *cpu) { - return div64_u64(cpu->pstate.max_pstate_physical * cpu->sample.aperf, - cpu->sample.mperf); + return mul_ext_fp(cpu->pstate.max_pstate_physical, + cpu->sample.core_avg_perf); } static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu)
