On Sun, Mar 12, 2017 at 10:42 PM, Rafael J. Wysocki <r...@rjwysocki.net> wrote:
> From: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
>
> Fix the debugfs interface for PID tuning to actually update
> pid_params.sample_rate_ns on PID parameters updates, as changing
> pid_params.sample_rate_ms via debugfs has no effect now.
>
> Fixes: a4675fbc4a7a (cpufreq: intel_pstate: Replace timers with utilization
> update callbacks)
> Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
> ---
> drivers/cpufreq/intel_pstate.c | 1 +
> 1 file changed, 1 insertion(+)
>
> Index: linux-pm/drivers/cpufreq/intel_pstate.c
> ===================================================================
> --- linux-pm.orig/drivers/cpufreq/intel_pstate.c
> +++ linux-pm/drivers/cpufreq/intel_pstate.c
> @@ -983,6 +983,7 @@ static void intel_pstate_update_policies
> static int pid_param_set(void *data, u64 val)
> {
> *(u32 *)data = val;
> + pid_params.sample_rate_ns = pid_params.sample_rate_ms * NSEC_PER_MSEC;
> intel_pstate_reset_all_pid();
> return 0;
> }
>
Acked-by: Viresh Kumar <viresh.ku...@linaro.org>
