diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index a5f5a4bcff6d9a50c8a21e30c96e623aa935f718..c9f7bcef4ac860e9e8628961c35e62690a2d5aad 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -58,6 +58,25 @@ static bool force_load; module_param(force_load, bool, 0444); MODULE_PARM_DESC(force_load, "Force load this driver on supported older platforms (experimental)"); +static int amd_pmf_pwr_src_notify_call(struct notifier_block *nb, unsigned long event, void *data) +{ + struct amd_pmf_dev *pmf = container_of(nb, struct amd_pmf_dev, pwr_src_notifier); + + if (event != PSY_EVENT_PROP_CHANGED) + return NOTIFY_OK; + + if (is_apmf_func_supported(pmf, APMF_FUNC_AUTO_MODE) || + is_apmf_func_supported(pmf, APMF_FUNC_DYN_SLIDER_DC) || + is_apmf_func_supported(pmf, APMF_FUNC_DYN_SLIDER_AC)) { + if ((pmf->amt_enabled || pmf->cnqf_enabled) && is_pprof_balanced(pmf)) + return NOTIFY_DONE; + } + + amd_pmf_set_sps_power_limits(pmf); + + return NOTIFY_OK; +} + static int current_power_limits_show(struct seq_file *seq, void *unused) { struct amd_pmf_dev *dev = seq->private; @@ -372,6 +391,9 @@ static int amd_pmf_probe(struct platform_device *pdev) apmf_install_handler(dev); amd_pmf_dbgfs_register(dev); + dev->pwr_src_notifier.notifier_call = amd_pmf_pwr_src_notify_call; + power_supply_reg_notifier(&dev->pwr_src_notifier); + mutex_init(&dev->lock); mutex_init(&dev->update_mutex); dev_info(dev->dev, "registered PMF device successfully\n"); @@ -383,6 +405,7 @@ static int amd_pmf_remove(struct platform_device *pdev) { struct amd_pmf_dev *dev = platform_get_drvdata(pdev); + power_supply_unreg_notifier(&dev->pwr_src_notifier); mutex_destroy(&dev->lock); mutex_destroy(&dev->update_mutex); amd_pmf_deinit_features(dev); diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index b94e1a9030f8fab5a5891304a35730ae1f1d6b5c..06c30cdc05733ac997ebe3227252bbb7d55397bd 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -169,6 +169,7 @@ struct amd_pmf_dev { struct mutex update_mutex; /* protects race between ACPI handler and metrics thread */ bool cnqf_enabled; bool cnqf_supported; + struct notifier_block pwr_src_notifier; }; struct apmf_sps_prop_granular {