diff options
| author | Changwoo Min <changwoo@igalia.com> | 2025-10-21 07:09:14 +0900 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-10-22 21:44:38 +0200 |
| commit | a1b17c9ac87a21b677077bc47d7579a2897a13f3 (patch) | |
| tree | 4d3badbaf1f1b3850c120f017011ca6d77dec491 /kernel | |
| parent | b95a0c02ada527b7cfc2e329d262324661fe30ce (diff) | |
PM: EM: Notify an event when the performance domain changes
Send an event to userspace when a performance domain is created or deleted,
or its energy model is updated.
Signed-off-by: Changwoo Min <changwoo@igalia.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://patch.msgid.link/20251020220914.320832-11-changwoo@igalia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/energy_model.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c index 9e35aba4b113..e669d5057fca 100644 --- a/kernel/power/energy_model.c +++ b/kernel/power/energy_model.c @@ -352,6 +352,8 @@ int em_dev_update_perf_domain(struct device *dev, em_table_free(old_table); mutex_unlock(&em_pd_mutex); + + em_notify_pd_updated(pd); return 0; } EXPORT_SYMBOL_GPL(em_dev_update_perf_domain); @@ -696,6 +698,7 @@ unlock: list_add_tail(&dev->em_pd->node, &em_pd_list); mutex_unlock(&em_pd_list_mutex); + em_notify_pd_created(dev->em_pd); return ret; } EXPORT_SYMBOL_GPL(em_dev_register_pd_no_update); @@ -718,6 +721,8 @@ void em_dev_unregister_perf_domain(struct device *dev) list_del_init(&dev->em_pd->node); mutex_unlock(&em_pd_list_mutex); + em_notify_pd_deleted(dev->em_pd); + /* * The mutex separates all register/unregister requests and protects * from potential clean-up/setup issues in the debugfs directories. |