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path: root/drivers/cpufreq/intel_pstate.c
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Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
-rw-r--r--drivers/cpufreq/intel_pstate.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index f8496faa1085..6384557cea69 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1893,6 +1893,8 @@ static const struct x86_cpu_id intel_pstate_cpu_ee_disable_ids[] = {
{}
};
+static bool pid_in_use(void);
+
static int intel_pstate_init_cpu(unsigned int cpunum)
{
struct cpudata *cpu;
@@ -1923,7 +1925,7 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
intel_pstate_disable_ee(cpunum);
intel_pstate_hwp_enable(cpu);
- } else if (pstate_funcs.update_util == intel_pstate_update_util_pid) {
+ } else if (pid_in_use()) {
intel_pstate_pid_reset(cpu);
}
@@ -2269,6 +2271,12 @@ static struct cpufreq_driver intel_cpufreq = {
static struct cpufreq_driver *default_driver = &intel_pstate;
+static bool pid_in_use(void)
+{
+ return intel_pstate_driver == &intel_pstate &&
+ pstate_funcs.update_util == intel_pstate_update_util_pid;
+}
+
static void intel_pstate_driver_cleanup(void)
{
unsigned int cpu;
@@ -2303,8 +2311,7 @@ static int intel_pstate_register_driver(struct cpufreq_driver *driver)
global.min_perf_pct = min_perf_pct_min();
- if (intel_pstate_driver == &intel_pstate && !hwp_active &&
- pstate_funcs.update_util == intel_pstate_update_util_pid)
+ if (pid_in_use())
intel_pstate_debug_expose_params();
return 0;
@@ -2315,8 +2322,7 @@ static int intel_pstate_unregister_driver(void)
if (hwp_active)
return -EBUSY;
- if (intel_pstate_driver == &intel_pstate &&
- pstate_funcs.update_util == intel_pstate_update_util_pid)
+ if (pid_in_use())
intel_pstate_debug_hide_params();
cpufreq_unregister_driver(intel_pstate_driver);
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