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authorKarol Herbst <nouveau@karolherbst.de>2016-04-17 14:51:23 +0200
committerBen Skeggs <bskeggs@redhat.com>2016-07-14 11:53:25 +1000
commitb66ad32d6dc00a8ec07950049aab8bb5612e9001 (patch)
treeb7842d03b250489ff400dc14cbb9725a069cc1dc /drivers/gpu/drm
parent437bb44d382c9570307393bad8d4eb0bc6e21b62 (diff)
drm/nouveau/hwmon: add in_min and in_max
it is a little help for hardware monitoring tools Signed-off-by: Karol Herbst <karolherbst@gmail.de> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_hwmon.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hwmon.c b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
index 1ff4166af26e..71f764bf4cc6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
@@ -535,6 +535,40 @@ static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO,
nouveau_hwmon_get_in0_input, NULL, 0);
static ssize_t
+nouveau_hwmon_get_in0_min(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 nvkm_volt *volt = nvxx_volt(&drm->device);
+
+ if (!volt || !volt->min_uv)
+ return -ENODEV;
+
+ return sprintf(buf, "%i\n", volt->min_uv / 1000);
+}
+
+static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO,
+ nouveau_hwmon_get_in0_min, NULL, 0);
+
+static ssize_t
+nouveau_hwmon_get_in0_max(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 nvkm_volt *volt = nvxx_volt(&drm->device);
+
+ if (!volt || !volt->max_uv)
+ return -ENODEV;
+
+ return sprintf(buf, "%i\n", volt->max_uv / 1000);
+}
+
+static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO,
+ nouveau_hwmon_get_in0_max, NULL, 0);
+
+static ssize_t
nouveau_hwmon_get_in0_label(struct device *d,
struct device_attribute *a, char *buf)
{
@@ -594,6 +628,8 @@ static struct attribute *hwmon_pwm_fan_attributes[] = {
static struct attribute *hwmon_in0_attributes[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in0_min.dev_attr.attr,
+ &sensor_dev_attr_in0_max.dev_attr.attr,
&sensor_dev_attr_in0_label.dev_attr.attr,
NULL
};