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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-09-01 15:52:35 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-09-01 15:52:35 +0200
commit4ffe18c2556f2848c4e57457915b08a63dc00fd5 (patch)
tree0e5045b2137095c9ad88cb7c5062e5801e377936 /drivers/cpufreq/cpufreq_governor.h
parent498012511a060575a56551d28a10bb392aa361b5 (diff)
parent72e624de6e6f0d5a638fbc23842aa76ae048e9e7 (diff)
Merge branch 'pm-cpufreq'
* pm-cpufreq: (53 commits) cpufreq: speedstep-lib: Use monotonic clock cpufreq: powernv: Increase the verbosity of OCC console messages cpufreq: sfi: use kmemdup rather than duplicating its implementation cpufreq: drop !cpufreq_driver check from cpufreq_parse_governor() cpufreq: rename cpufreq_real_policy as cpufreq_user_policy cpufreq: remove redundant 'policy' field from user_policy cpufreq: remove redundant 'governor' field from user_policy cpufreq: update user_policy.* on success cpufreq: use memcpy() to copy policy cpufreq: remove redundant CPUFREQ_INCOMPATIBLE notifier event cpufreq: mediatek: Add MT8173 cpufreq driver dt-bindings: mediatek: Add MT8173 CPU DVFS clock bindings intel_pstate: append more Oracle OEM table id to vendor bypass list intel_pstate: Add SKY-S support intel_pstate: Fix possible overflow complained by Coverity cpufreq: Correct a freq check in cpufreq_set_policy() cpufreq: Lock CPU online/offline in cpufreq_register_driver() cpufreq: Replace recover_policy with new_policy in cpufreq_online() cpufreq: Separate CPU device registration from CPU online cpufreq: powernv: Restore cpu frequency to policy->cur on unthrottling ...
Diffstat (limited to 'drivers/cpufreq/cpufreq_governor.h')
-rw-r--r--drivers/cpufreq/cpufreq_governor.h40
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 34736f5e869d..50f171796632 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -109,7 +109,7 @@ store_one(_gov, file_name)
/* create helper routines */
#define define_get_cpu_dbs_routines(_dbs_info) \
-static struct cpu_dbs_common_info *get_cpu_cdbs(int cpu) \
+static struct cpu_dbs_info *get_cpu_cdbs(int cpu) \
{ \
return &per_cpu(_dbs_info, cpu).cdbs; \
} \
@@ -128,9 +128,20 @@ static void *get_cpu_dbs_info_s(int cpu) \
* cs_*: Conservative governor
*/
+/* Common to all CPUs of a policy */
+struct cpu_common_dbs_info {
+ struct cpufreq_policy *policy;
+ /*
+ * percpu mutex that serializes governor limit change with dbs_timer
+ * invocation. We do not want dbs_timer to run when user is changing
+ * the governor or limits.
+ */
+ struct mutex timer_mutex;
+ ktime_t time_stamp;
+};
+
/* Per cpu structures */
-struct cpu_dbs_common_info {
- int cpu;
+struct cpu_dbs_info {
u64 prev_cpu_idle;
u64 prev_cpu_wall;
u64 prev_cpu_nice;
@@ -141,19 +152,12 @@ struct cpu_dbs_common_info {
* wake-up from idle.
*/
unsigned int prev_load;
- struct cpufreq_policy *cur_policy;
- struct delayed_work work;
- /*
- * percpu mutex that serializes governor limit change with gov_dbs_timer
- * invocation. We do not want gov_dbs_timer to run when user is changing
- * the governor or limits.
- */
- struct mutex timer_mutex;
- ktime_t time_stamp;
+ struct delayed_work dwork;
+ struct cpu_common_dbs_info *shared;
};
struct od_cpu_dbs_info_s {
- struct cpu_dbs_common_info cdbs;
+ struct cpu_dbs_info cdbs;
struct cpufreq_frequency_table *freq_table;
unsigned int freq_lo;
unsigned int freq_lo_jiffies;
@@ -163,7 +167,7 @@ struct od_cpu_dbs_info_s {
};
struct cs_cpu_dbs_info_s {
- struct cpu_dbs_common_info cdbs;
+ struct cpu_dbs_info cdbs;
unsigned int down_skip;
unsigned int requested_freq;
unsigned int enable:1;
@@ -204,9 +208,11 @@ struct common_dbs_data {
*/
struct dbs_data *gdbs_data;
- struct cpu_dbs_common_info *(*get_cpu_cdbs)(int cpu);
+ struct cpu_dbs_info *(*get_cpu_cdbs)(int cpu);
void *(*get_cpu_dbs_info_s)(int cpu);
- void (*gov_dbs_timer)(struct work_struct *work);
+ unsigned int (*gov_dbs_timer)(struct cpu_dbs_info *cdbs,
+ struct dbs_data *dbs_data,
+ bool modify_all);
void (*gov_check_cpu)(int cpu, unsigned int load);
int (*init)(struct dbs_data *dbs_data, bool notify);
void (*exit)(struct dbs_data *dbs_data, bool notify);
@@ -265,8 +271,6 @@ static ssize_t show_sampling_rate_min_gov_pol \
extern struct mutex cpufreq_governor_lock;
void dbs_check_cpu(struct dbs_data *dbs_data, int cpu);
-bool need_load_eval(struct cpu_dbs_common_info *cdbs,
- unsigned int sampling_rate);
int cpufreq_governor_dbs(struct cpufreq_policy *policy,
struct common_dbs_data *cdata, unsigned int event);
void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy,