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cpufreq: intel_pstate: Update pid_params.sample_rate_ns in pid_param_set()

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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: a4675fbc4a (cpufreq: intel_pstate: Replace timers with utilization update callbacks)
Signed-off-by: Rafael J. Wysocki <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
This commit is contained in:
Rafael J. Wysocki 2017-03-12 18:12:56 +01:00
commit 6e7408acd0
1 changed files with 1 additions and 0 deletions
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1
drivers/cpufreq/intel_pstate.c
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@ -989,6 +989,7 @@ static void intel_pstate_update_policies(void)
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;
}