diff options
| author | Grazvydas Ignotas <notasas@gmail.com> | 2016-10-29 23:28:59 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-11-11 10:20:56 -0500 |
| commit | 81c1514bf8db9aee71bc6e610a62d64a865e06a4 (patch) | |
| tree | 18b04c6517c9bc96cc5d76de500d52953d83e5fd /drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | |
| parent | 72a16a9d59ee0de87d9899959978b8e8f6da8438 (diff) | |
drm/amd/amdgpu: expose fan rpm though hwmon
Only for cards that are supported by powerplay.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 274f3309aec9..723ae682bf25 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -737,6 +737,21 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev, return sprintf(buf, "%i\n", speed); } +static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + u32 speed; + + err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed); + if (err) + return err; + + return sprintf(buf, "%i\n", speed); +} + static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 1); @@ -744,6 +759,7 @@ static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1, amdgpu static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1_enable, amdgpu_hwmon_set_pwm1_enable, 0); static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO, amdgpu_hwmon_get_pwm1_min, NULL, 0); static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO, amdgpu_hwmon_get_pwm1_max, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, amdgpu_hwmon_get_fan1_input, NULL, 0); static struct attribute *hwmon_attributes[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, @@ -753,6 +769,7 @@ static struct attribute *hwmon_attributes[] = { &sensor_dev_attr_pwm1_enable.dev_attr.attr, &sensor_dev_attr_pwm1_min.dev_attr.attr, &sensor_dev_attr_pwm1_max.dev_attr.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, NULL }; @@ -804,6 +821,10 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) return 0; + /* requires powerplay */ + if (attr == &sensor_dev_attr_fan1_input.dev_attr.attr) + return 0; + return effective_mode; } |