Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH 01/14] cpufreq: intel_pstate: Update pid_params.sample_rate_ns in pid_param_set() | Date | Sun, 12 Mar 2017 18:12:56 +0100 |
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From: Rafael J. Wysocki <rafael.j.wysocki@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.wysocki@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; }
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