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Commit b66ad32d authored by Karol Herbst's avatar Karol Herbst Committed by Ben Skeggs
Browse files

drm/nouveau/hwmon: add in_min and in_max 



it is a little help for hardware monitoring tools

Signed-off-by: default avatarKarol Herbst <karolherbst@gmail.de>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 437bb44d

drivers/gpu/drm/nouveau/nouveau_hwmon.c

+36 −0
Original line number Diff line number Diff line
@@ -534,6 +534,40 @@ nouveau_hwmon_get_in0_input(struct device *d, 
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

};