diff options
Diffstat (limited to 'drivers/thermal/intel/int340x_thermal/processor_thermal_device.c')
| -rw-r--r-- | drivers/thermal/intel/int340x_thermal/processor_thermal_device.c | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index 29ed7d0f7022..649f67fdf345 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -26,6 +26,48 @@ static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \ (unsigned long)proc_dev->power_limits[index].suffix * 1000); \ } +static ssize_t power_floor_status_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct proc_thermal_device *proc_dev = dev_get_drvdata(dev); + int ret; + + ret = proc_thermal_read_power_floor_status(proc_dev); + + return sysfs_emit(buf, "%d\n", ret); +} + +static ssize_t power_floor_enable_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct proc_thermal_device *proc_dev = dev_get_drvdata(dev); + bool ret; + + ret = proc_thermal_power_floor_get_state(proc_dev); + + return sysfs_emit(buf, "%d\n", ret); +} + +static ssize_t power_floor_enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct proc_thermal_device *proc_dev = dev_get_drvdata(dev); + u8 state; + int ret; + + if (kstrtou8(buf, 0, &state)) + return -EINVAL; + + ret = proc_thermal_power_floor_set_state(proc_dev, !!state); + if (ret) + return ret; + + return count; +} + POWER_LIMIT_SHOW(0, min_uw) POWER_LIMIT_SHOW(0, max_uw) POWER_LIMIT_SHOW(0, step_uw) @@ -50,6 +92,9 @@ static DEVICE_ATTR_RO(power_limit_1_step_uw); static DEVICE_ATTR_RO(power_limit_1_tmin_us); static DEVICE_ATTR_RO(power_limit_1_tmax_us); +static DEVICE_ATTR_RO(power_floor_status); +static DEVICE_ATTR_RW(power_floor_enable); + static struct attribute *power_limit_attrs[] = { &dev_attr_power_limit_0_min_uw.attr, &dev_attr_power_limit_1_min_uw.attr, @@ -61,12 +106,30 @@ static struct attribute *power_limit_attrs[] = { &dev_attr_power_limit_1_tmin_us.attr, &dev_attr_power_limit_0_tmax_us.attr, &dev_attr_power_limit_1_tmax_us.attr, + &dev_attr_power_floor_status.attr, + &dev_attr_power_floor_enable.attr, NULL }; +static umode_t power_limit_attr_visible(struct kobject *kobj, struct attribute *attr, int unused) +{ + struct device *dev = kobj_to_dev(kobj); + struct proc_thermal_device *proc_dev; + + if (attr != &dev_attr_power_floor_status.attr && attr != &dev_attr_power_floor_enable.attr) + return attr->mode; + + proc_dev = dev_get_drvdata(dev); + if (!proc_dev || !(proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR)) + return 0; + + return attr->mode; +} + static const struct attribute_group power_limit_attribute_group = { .attrs = power_limit_attrs, - .name = "power_limits" + .name = "power_limits", + .is_visible = power_limit_attr_visible, }; static ssize_t tcc_offset_degree_celsius_show(struct device *dev, @@ -380,6 +443,9 @@ void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device * proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS) proc_thermal_rfim_remove(pdev); + if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR) + proc_thermal_power_floor_set_state(proc_priv, false); + if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_REQ) proc_thermal_wt_req_remove(pdev); else if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT) |