From: Rafael J. Wysocki <rafael.j.wyso...@intel.com> PID controller parameters only need to be initialized if the get_target_pstate_use_performance() P-state selection routine is going to be used. It is not necessary to initialize them otherwise, so don't do that.
Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> --- 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 @@ -1974,12 +1974,12 @@ static int intel_pstate_init_cpu(unsigne intel_pstate_disable_ee(cpunum); intel_pstate_hwp_enable(cpu); + } else if (pstate_funcs.get_target_pstate == get_target_pstate_use_performance) { + intel_pstate_pid_reset(cpu); } intel_pstate_get_cpu_pstates(cpu); - intel_pstate_pid_reset(cpu); - pr_debug("controlling: cpu %d\n", cpunum); return 0;