summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/cpufreq/amd_freq_sensitivity.c5
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c34
-rw-r--r--drivers/cpufreq/cpufreq_governor.c7
-rw-r--r--drivers/cpufreq/cpufreq_governor.h9
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c34
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.h26
6 files changed, 87 insertions, 28 deletions
diff --git a/drivers/cpufreq/amd_freq_sensitivity.c b/drivers/cpufreq/amd_freq_sensitivity.c
index 82ae1002def1..404360cad25c 100644
--- a/drivers/cpufreq/amd_freq_sensitivity.c
+++ b/drivers/cpufreq/amd_freq_sensitivity.c
@@ -21,7 +21,7 @@
#include <asm/msr.h>
#include <asm/cpufeature.h>
-#include "cpufreq_governor.h"
+#include "cpufreq_ondemand.h"
#define MSR_AMD64_FREQ_SENSITIVITY_ACTUAL 0xc0010080
#define MSR_AMD64_FREQ_SENSITIVITY_REFERENCE 0xc0010081
@@ -48,8 +48,7 @@ static unsigned int amd_powersave_bias_target(struct cpufreq_policy *policy,
struct policy_dbs_info *policy_dbs = policy->governor_data;
struct dbs_data *od_data = policy_dbs->dbs_data;
struct od_dbs_tuners *od_tuners = od_data->tuners;
- struct od_cpu_dbs_info_s *od_info =
- dbs_governor_of(policy)->get_cpu_dbs_info_s(policy->cpu);
+ struct od_policy_dbs_info *od_info = to_dbs_info(policy_dbs);
if (!od_info->freq_table)
return freq_next;
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 876984c842b1..ffffda2dcbfc 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -14,6 +14,17 @@
#include <linux/slab.h>
#include "cpufreq_governor.h"
+struct cs_policy_dbs_info {
+ struct policy_dbs_info policy_dbs;
+ unsigned int down_skip;
+ unsigned int requested_freq;
+};
+
+static inline struct cs_policy_dbs_info *to_dbs_info(struct policy_dbs_info *policy_dbs)
+{
+ return container_of(policy_dbs, struct cs_policy_dbs_info, policy_dbs);
+}
+
/* Conservative governor macros */
#define DEF_FREQUENCY_UP_THRESHOLD (80)
#define DEF_FREQUENCY_DOWN_THRESHOLD (20)
@@ -48,8 +59,8 @@ static inline unsigned int get_freq_target(struct cs_dbs_tuners *cs_tuners,
*/
static unsigned int cs_dbs_timer(struct cpufreq_policy *policy)
{
- struct cs_cpu_dbs_info_s *dbs_info = &per_cpu(cs_cpu_dbs_info, policy->cpu);
struct policy_dbs_info *policy_dbs = policy->governor_data;
+ struct cs_policy_dbs_info *dbs_info = to_dbs_info(policy_dbs);
struct dbs_data *dbs_data = policy_dbs->dbs_data;
struct cs_dbs_tuners *cs_tuners = dbs_data->tuners;
unsigned int load = dbs_update(policy);
@@ -238,6 +249,19 @@ static struct attribute *cs_attributes[] = {
/************************** sysfs end ************************/
+static struct policy_dbs_info *cs_alloc(void)
+{
+ struct cs_policy_dbs_info *dbs_info;
+
+ dbs_info = kzalloc(sizeof(*dbs_info), GFP_KERNEL);
+ return dbs_info ? &dbs_info->policy_dbs : NULL;
+}
+
+static void cs_free(struct policy_dbs_info *policy_dbs)
+{
+ kfree(to_dbs_info(policy_dbs));
+}
+
static int cs_init(struct dbs_data *dbs_data, bool notify)
{
struct cs_dbs_tuners *tuners;
@@ -276,7 +300,7 @@ static void cs_exit(struct dbs_data *dbs_data, bool notify)
static void cs_start(struct cpufreq_policy *policy)
{
- struct cs_cpu_dbs_info_s *dbs_info = &per_cpu(cs_cpu_dbs_info, policy->cpu);
+ struct cs_policy_dbs_info *dbs_info = to_dbs_info(policy->governor_data);
dbs_info->down_skip = 0;
dbs_info->requested_freq = policy->cur;
@@ -294,6 +318,8 @@ static struct dbs_governor cs_dbs_gov = {
.kobj_type = { .default_attrs = cs_attributes },
.get_cpu_cdbs = get_cpu_cdbs,
.gov_dbs_timer = cs_dbs_timer,
+ .alloc = cs_alloc,
+ .free = cs_free,
.init = cs_init,
.exit = cs_exit,
.start = cs_start,
@@ -305,9 +331,8 @@ static int dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
void *data)
{
struct cpufreq_freqs *freq = data;
- struct cs_cpu_dbs_info_s *dbs_info =
- &per_cpu(cs_cpu_dbs_info, freq->cpu);
struct cpufreq_policy *policy = cpufreq_cpu_get_raw(freq->cpu);
+ struct cs_policy_dbs_info *dbs_info;
if (!policy)
return 0;
@@ -316,6 +341,7 @@ static int dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
if (policy->governor != CPU_FREQ_GOV_CONSERVATIVE)
return 0;
+ dbs_info = to_dbs_info(policy->governor_data);
/*
* we only care if our internally tracked freq moves outside the 'valid'
* ranges of frequency available to us otherwise we do not change it
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 4b14f04daa41..6cbc846e3981 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -385,8 +385,8 @@ static struct policy_dbs_info *alloc_policy_dbs_info(struct cpufreq_policy *poli
struct policy_dbs_info *policy_dbs;
int j;
- /* Allocate memory for the common information for policy->cpus */
- policy_dbs = kzalloc(sizeof(*policy_dbs), GFP_KERNEL);
+ /* Allocate memory for per-policy governor data. */
+ policy_dbs = gov->alloc();
if (!policy_dbs)
return NULL;
@@ -421,7 +421,7 @@ static void free_policy_dbs_info(struct cpufreq_policy *policy,
j_cdbs->policy_dbs = NULL;
j_cdbs->update_util.func = NULL;
}
- kfree(policy_dbs);
+ gov->free(policy_dbs);
}
static int cpufreq_governor_init(struct cpufreq_policy *policy)
@@ -582,7 +582,6 @@ static int cpufreq_governor_start(struct cpufreq_policy *policy)
static int cpufreq_governor_stop(struct cpufreq_policy *policy)
{
gov_cancel_work(policy);
-
return 0;
}
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 5c7d1ea96fff..354e0d306ff5 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -157,17 +157,10 @@ struct cpu_dbs_info {
struct od_cpu_dbs_info_s {
struct cpu_dbs_info cdbs;
- struct cpufreq_frequency_table *freq_table;
- unsigned int freq_lo;
- unsigned int freq_lo_delay_us;
- unsigned int freq_hi_delay_us;
- unsigned int sample_type:1;
};
struct cs_cpu_dbs_info_s {
struct cpu_dbs_info cdbs;
- unsigned int down_skip;
- unsigned int requested_freq;
};
/* Per policy Governors sysfs tunables */
@@ -193,6 +186,8 @@ struct dbs_governor {
struct cpu_dbs_info *(*get_cpu_cdbs)(int cpu);
unsigned int (*gov_dbs_timer)(struct cpufreq_policy *policy);
+ struct policy_dbs_info *(*alloc)(void);
+ void (*free)(struct policy_dbs_info *policy_dbs);
int (*init)(struct dbs_data *dbs_data, bool notify);
void (*exit)(struct dbs_data *dbs_data, bool notify);
void (*start)(struct cpufreq_policy *policy);
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 43d89f6af206..cdf431696c40 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -16,7 +16,8 @@
#include <linux/percpu-defs.h>
#include <linux/slab.h>
#include <linux/tick.h>
-#include "cpufreq_governor.h"
+
+#include "cpufreq_ondemand.h"
/* On-demand governor macros */
#define DEF_FREQUENCY_UP_THRESHOLD (80)
@@ -69,9 +70,8 @@ static unsigned int generic_powersave_bias_target(struct cpufreq_policy *policy,
unsigned int freq_hi, freq_lo;
unsigned int index = 0;
unsigned int delay_hi_us;
- struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info,
- policy->cpu);
struct policy_dbs_info *policy_dbs = policy->governor_data;
+ struct od_policy_dbs_info *dbs_info = to_dbs_info(policy_dbs);
struct dbs_data *dbs_data = policy_dbs->dbs_data;
struct od_dbs_tuners *od_tuners = dbs_data->tuners;
@@ -114,10 +114,9 @@ static unsigned int generic_powersave_bias_target(struct cpufreq_policy *policy,
static void ondemand_powersave_bias_init(struct cpufreq_policy *policy)
{
- unsigned int cpu = policy->cpu;
- struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, cpu);
+ struct od_policy_dbs_info *dbs_info = to_dbs_info(policy->governor_data);
- dbs_info->freq_table = cpufreq_frequency_get_table(cpu);
+ dbs_info->freq_table = cpufreq_frequency_get_table(policy->cpu);
dbs_info->freq_lo = 0;
}
@@ -144,8 +143,8 @@ static void dbs_freq_increase(struct cpufreq_policy *policy, unsigned int freq)
*/
static void od_update(struct cpufreq_policy *policy)
{
- struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, policy->cpu);
- struct policy_dbs_info *policy_dbs = dbs_info->cdbs.policy_dbs;
+ struct policy_dbs_info *policy_dbs = policy->governor_data;
+ struct od_policy_dbs_info *dbs_info = to_dbs_info(policy_dbs);
struct dbs_data *dbs_data = policy_dbs->dbs_data;
struct od_dbs_tuners *od_tuners = dbs_data->tuners;
unsigned int load = dbs_update(policy);
@@ -182,7 +181,7 @@ static unsigned int od_dbs_timer(struct cpufreq_policy *policy)
{
struct policy_dbs_info *policy_dbs = policy->governor_data;
struct dbs_data *dbs_data = policy_dbs->dbs_data;
- struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, policy->cpu);
+ struct od_policy_dbs_info *dbs_info = to_dbs_info(policy_dbs);
int sample_type = dbs_info->sample_type;
/* Common NORMAL_SAMPLE setup */
@@ -347,6 +346,19 @@ static struct attribute *od_attributes[] = {
/************************** sysfs end ************************/
+static struct policy_dbs_info *od_alloc(void)
+{
+ struct od_policy_dbs_info *dbs_info;
+
+ dbs_info = kzalloc(sizeof(*dbs_info), GFP_KERNEL);
+ return dbs_info ? &dbs_info->policy_dbs : NULL;
+}
+
+static void od_free(struct policy_dbs_info *policy_dbs)
+{
+ kfree(to_dbs_info(policy_dbs));
+}
+
static int od_init(struct dbs_data *dbs_data, bool notify)
{
struct od_dbs_tuners *tuners;
@@ -395,7 +407,7 @@ static void od_exit(struct dbs_data *dbs_data, bool notify)
static void od_start(struct cpufreq_policy *policy)
{
- struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, policy->cpu);
+ struct od_policy_dbs_info *dbs_info = to_dbs_info(policy->governor_data);
dbs_info->sample_type = OD_NORMAL_SAMPLE;
ondemand_powersave_bias_init(policy);
@@ -417,6 +429,8 @@ static struct dbs_governor od_dbs_gov = {
.kobj_type = { .default_attrs = od_attributes },
.get_cpu_cdbs = get_cpu_cdbs,
.gov_dbs_timer = od_dbs_timer,
+ .alloc = od_alloc,
+ .free = od_free,
.init = od_init,
.exit = od_exit,
.start = od_start,
diff --git a/drivers/cpufreq/cpufreq_ondemand.h b/drivers/cpufreq/cpufreq_ondemand.h
new file mode 100644
index 000000000000..22403e4e0cb0
--- /dev/null
+++ b/drivers/cpufreq/cpufreq_ondemand.h
@@ -0,0 +1,26 @@
+/*
+ * Header file for CPUFreq ondemand governor and related code.
+ *
+ * Copyright (C) 2016, Intel Corporation
+ * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "cpufreq_governor.h"
+
+struct od_policy_dbs_info {
+ struct policy_dbs_info policy_dbs;
+ struct cpufreq_frequency_table *freq_table;
+ unsigned int freq_lo;
+ unsigned int freq_lo_delay_us;
+ unsigned int freq_hi_delay_us;
+ unsigned int sample_type:1;
+};
+
+static inline struct od_policy_dbs_info *to_dbs_info(struct policy_dbs_info *policy_dbs)
+{
+ return container_of(policy_dbs, struct od_policy_dbs_info, policy_dbs);
+}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-01 21:34:55 +0300