On Monday, July 24, 2017 05:43:14 AM Huaisheng HS1 Ye wrote:
> After commit 82b4e03e01bc (intel_pstate: skip scheduler hook when
> in "performance" mode) Software P-state control modes couldn't get
> dynamic value during performance mode,
Please explain what you mean here.
I guess you carried out some tests and the results were not as expected,
so what was the test?
> and it still in last value from powersave mode, so clear its value to get
> same behavior as Hardware P-state to avoid confusion.
And please explain why it should be fixed the way you've done that.
> Signed-off-by: Huaisheng Ye <ye...@lenovo.com>
> ---
> drivers/cpufreq/intel_pstate.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index 6cd5035..c675626 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -2050,6 +2050,7 @@ static int intel_pstate_set_policy(struct
> cpufreq_policy *policy)
> */
> intel_pstate_clear_update_util_hook(policy->cpu);
> intel_pstate_max_within_limits(cpu);
> + cpu->sample.core_avg_perf = 0;
> } else {
> intel_pstate_set_update_util_hook(policy->cpu);
> }
>
