From 12e32896f796ea772d4443c789f9358d46461835 Mon Sep 17 00:00:00 2001
From: Martin Peres <martin.peres@labri.fr>
Date: Tue, 20 Nov 2012 01:14:13 +0100
Subject: [PATCH] drm/nouveau/hwmon: add missing alarm thresholds
Expose all the hysteresis parameters + shutdown (emergency) +
fan_boost (fixed pwm trip point).
Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
drivers/gpu/drm/nouveau/nouveau_pm.c | 215 +++++++++++++++++++++++++++
1 file changed, 215 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index a701ff5ffa5b..d456e102682b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -408,6 +408,81 @@ nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf)
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp,
NULL, 0);
+static ssize_t
+nouveau_hwmon_show_temp1_auto_point1_pwm(struct device *d,
+ struct device_attribute *a, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", 100);
+}
+static SENSOR_DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO,
+ nouveau_hwmon_show_temp1_auto_point1_pwm, NULL, 0);
+
+static ssize_t
+nouveau_hwmon_temp1_auto_point1_temp(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);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST) * 1000);
+}
+static ssize_t
+nouveau_hwmon_set_temp1_auto_point1_temp(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;
+
+ if (kstrtol(buf, 10, &value) == -EINVAL)
+ return count;
+
+ therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST,
+ value / 1000);
+
+ return count;
+}
+static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IRUGO | S_IWUSR,
+ nouveau_hwmon_temp1_auto_point1_temp,
+ nouveau_hwmon_set_temp1_auto_point1_temp, 0);
+
+static ssize_t
+nouveau_hwmon_temp1_auto_point1_temp_hyst(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);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST) * 1000);
+}
+static ssize_t
+nouveau_hwmon_set_temp1_auto_point1_temp_hyst(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;
+
+ if (kstrtol(buf, 10, &value) == -EINVAL)
+ return count;
+
+ therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST,
+ value / 1000);
+
+ return count;
+}
+static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
+ nouveau_hwmon_temp1_auto_point1_temp_hyst,
+ nouveau_hwmon_set_temp1_auto_point1_temp_hyst, 0);
+
static ssize_t
nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf)
{
@@ -438,6 +513,38 @@ static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp,
nouveau_hwmon_set_max_temp,
0);
+static ssize_t
+nouveau_hwmon_max_temp_hyst(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);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST) * 1000);
+}
+static ssize_t
+nouveau_hwmon_set_max_temp_hyst(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;
+
+ if (kstrtol(buf, 10, &value) == -EINVAL)
+ return count;
+
+ therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST,
+ value / 1000);
+
+ return count;
+}
+static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
+ nouveau_hwmon_max_temp_hyst,
+ nouveau_hwmon_set_max_temp_hyst, 0);
+
static ssize_t
nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a,
char *buf)
@@ -471,6 +578,107 @@ static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
nouveau_hwmon_set_critical_temp,
0);
+static ssize_t
+nouveau_hwmon_critical_temp_hyst(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);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST) * 1000);
+}
+static ssize_t
+nouveau_hwmon_set_critical_temp_hyst(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;
+
+ if (kstrtol(buf, 10, &value) == -EINVAL)
+ return count;
+
+ therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST,
+ value / 1000);
+
+ return count;
+}
+static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR,
+ nouveau_hwmon_critical_temp_hyst,
+ nouveau_hwmon_set_critical_temp_hyst, 0);
+static ssize_t
+nouveau_hwmon_emergency_temp(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);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN) * 1000);
+}
+static ssize_t
+nouveau_hwmon_set_emergency_temp(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;
+
+ if (kstrtol(buf, 10, &value) == -EINVAL)
+ return count;
+
+ therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN, value / 1000);
+
+ return count;
+}
+static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO | S_IWUSR,
+ nouveau_hwmon_emergency_temp,
+ nouveau_hwmon_set_emergency_temp,
+ 0);
+
+static ssize_t
+nouveau_hwmon_emergency_temp_hyst(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);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST) * 1000);
+}
+static ssize_t
+nouveau_hwmon_set_emergency_temp_hyst(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;
+
+ if (kstrtol(buf, 10, &value) == -EINVAL)
+ return count;
+
+ therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST,
+ value / 1000);
+
+ return count;
+}
+static SENSOR_DEVICE_ATTR(temp1_emergency_hyst, S_IRUGO | S_IWUSR,
+ nouveau_hwmon_emergency_temp_hyst,
+ nouveau_hwmon_set_emergency_temp_hyst,
+ 0);
+
static ssize_t nouveau_hwmon_show_name(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -665,8 +873,15 @@ static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR,
static struct attribute *hwmon_attributes[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
&sensor_dev_attr_temp1_crit.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
+ &sensor_dev_attr_temp1_emergency.dev_attr.attr,
+ &sensor_dev_attr_temp1_emergency_hyst.dev_attr.attr,
&sensor_dev_attr_name.dev_attr.attr,
&sensor_dev_attr_update_rate.dev_attr.attr,
NULL