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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-09-01 16:52:35 +0300 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-09-01 16:52:35 +0300 |
commit | 4ffe18c2556f2848c4e57457915b08a63dc00fd5 (patch) | |
tree | 0e5045b2137095c9ad88cb7c5062e5801e377936 /drivers/cpufreq/cpufreq_governor.h | |
parent | 498012511a060575a56551d28a10bb392aa361b5 (diff) | |
parent | 72e624de6e6f0d5a638fbc23842aa76ae048e9e7 (diff) | |
download | linux-4ffe18c2556f2848c4e57457915b08a63dc00fd5.tar.xz |
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.h | 40 |
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, |