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path: root/drivers/gpu/drm/nouveau/nouveau_pm.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_pm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_pm.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index 0dca191..b9d5335 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -503,6 +503,45 @@ nouveau_hwmon_show_fan0_input(struct device *d, struct device_attribute *attr,
static SENSOR_DEVICE_ATTR(fan0_input, S_IRUGO, nouveau_hwmon_show_fan0_input,
NULL, 0);
+ static ssize_t
+nouveau_hwmon_get_pwm1_enable(struct device *d,
+ struct device_attribute *a, char *buf)
+{
+ struct drm_device *dev = dev_get_drvdata(d);
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_therm *therm = nouveau_therm(drm->device);
+ int ret;
+
+ ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MODE);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%i\n", ret);
+}
+
+static ssize_t
+nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a,
+ const char *buf, size_t count)
+{
+ struct drm_device *dev = dev_get_drvdata(d);
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_therm *therm = nouveau_therm(drm->device);
+ long value;
+ int ret;
+
+ if (strict_strtol(buf, 10, &value) == -EINVAL)
+ return -EINVAL;
+
+ ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MODE, value);
+ if (ret)
+ return ret;
+ else
+ return count;
+}
+static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
+ nouveau_hwmon_get_pwm1_enable,
+ nouveau_hwmon_set_pwm1_enable, 0);
+
static ssize_t
nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf)
{
@@ -638,6 +677,7 @@ static struct attribute *hwmon_fan_rpm_attributes[] = {
NULL
};
static struct attribute *hwmon_pwm_fan_attributes[] = {
+ &sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm1_min.dev_attr.attr,
&sensor_dev_attr_pwm1_max.dev_attr.attr,
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