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author | Karol Herbst <nouveau@karolherbst.de> | 2016-04-17 14:51:23 +0200 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2016-07-14 11:53:25 +1000 |
commit | b66ad32d6dc00a8ec07950049aab8bb5612e9001 (patch) | |
tree | b7842d03b250489ff400dc14cbb9725a069cc1dc /drivers | |
parent | 437bb44d382c9570307393bad8d4eb0bc6e21b62 (diff) | |
download | linux-stable-b66ad32d6dc00a8ec07950049aab8bb5612e9001.tar.gz linux-stable-b66ad32d6dc00a8ec07950049aab8bb5612e9001.tar.bz2 linux-stable-b66ad32d6dc00a8ec07950049aab8bb5612e9001.zip |
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')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_hwmon.c | 36 |
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 }; |