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Merge branch 'pm-cpufreq'

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* pm-cpufreq:
  ACPI: processor: Add QoS requests for all CPUs
This commit is contained in:
Rafael J. Wysocki 2019-10-31 21:41:37 +01:00
commit e82b745790
2 changed files with 42 additions and 26 deletions
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34
drivers/acpi/processor_perflib.c
View File

@ -159,26 +159,34 @@ void acpi_processor_ignore_ppc_init(void)
void acpi_processor_ppc_init(struct cpufreq_policy *policy)
{
int cpu = policy->cpu;
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
unsigned int cpu;
if (!pr)
return;
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
ret = freq_qos_add_request(&policy->constraints, &pr->perflib_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu,
ret);
if (!pr)
continue;
ret = freq_qos_add_request(&policy->constraints,
&pr->perflib_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n",
cpu, ret);
}
}
void acpi_processor_ppc_exit(struct cpufreq_policy *policy)
{
struct acpi_processor *pr = per_cpu(processors, policy->cpu);
unsigned int cpu;
if (pr)
freq_qos_remove_request(&pr->perflib_req);
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, cpu);
if (pr)
freq_qos_remove_request(&pr->perflib_req);
}
}
static int acpi_processor_get_performance_control(struct acpi_processor *pr)

34
drivers/acpi/processor_thermal.c
View File

@ -127,26 +127,34 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state)
void acpi_thermal_cpufreq_init(struct cpufreq_policy *policy)
{
int cpu = policy->cpu;
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
unsigned int cpu;
if (!pr)
return;
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
ret = freq_qos_add_request(&policy->constraints, &pr->thermal_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu,
ret);
if (!pr)
continue;
ret = freq_qos_add_request(&policy->constraints,
&pr->thermal_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n",
cpu, ret);
}
}
void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy)
{
struct acpi_processor *pr = per_cpu(processors, policy->cpu);
unsigned int cpu;
if (pr)
freq_qos_remove_request(&pr->thermal_req);
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, policy->cpu);
if (pr)
freq_qos_remove_request(&pr->thermal_req);
}
}
#else /* ! CONFIG_CPU_FREQ */
static int cpufreq_get_max_state(unsigned int cpu)