struct amdgpu_device *adev = dev_get_drvdata(dev);
int err;
u32 value;
+ u32 pwm_mode;
/* Can't adjust fan when the card is off */
if ((adev->flags & AMD_IS_PX) &&
(adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
return -EINVAL;
+ pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+ if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
+ pr_info("manual fan speed control should be enabled first\n");
+ return -EINVAL;
+ }
+
err = kstrtou32(buf, 10, &value);
if (err)
return err;
return sprintf(buf, "%i\n", speed);
}
+static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct amdgpu_device *adev = dev_get_drvdata(dev);
+ u32 min_rpm = 0;
+ u32 size = sizeof(min_rpm);
+ int r;
+
+ if (!adev->powerplay.pp_funcs->read_sensor)
+ return -EINVAL;
+
+ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
+ (void *)&min_rpm, &size);
+ if (r)
+ return r;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", min_rpm);
+}
+
+static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct amdgpu_device *adev = dev_get_drvdata(dev);
+ u32 max_rpm = 0;
+ u32 size = sizeof(max_rpm);
+ int r;
+
+ if (!adev->powerplay.pp_funcs->read_sensor)
+ return -EINVAL;
+
+ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
+ (void *)&max_rpm, &size);
+ if (r)
+ return r;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", max_rpm);
+}
+
+static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct amdgpu_device *adev = dev_get_drvdata(dev);
+ int err;
+ u32 rpm = 0;
+
+ /* Can't adjust fan when the card is off */
+ if ((adev->flags & AMD_IS_PX) &&
+ (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+ return -EINVAL;
+
+ if (adev->powerplay.pp_funcs->get_fan_speed_rpm) {
+ err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm);
+ if (err)
+ return err;
+ }
+
+ return sprintf(buf, "%i\n", rpm);
+}
+
+static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct amdgpu_device *adev = dev_get_drvdata(dev);
+ int err;
+ u32 value;
+ u32 pwm_mode;
+
+ pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+ if (pwm_mode != AMD_FAN_CTRL_MANUAL)
+ return -ENODATA;
+
+ /* Can't adjust fan when the card is off */
+ if ((adev->flags & AMD_IS_PX) &&
+ (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+ return -EINVAL;
+
+ err = kstrtou32(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (adev->powerplay.pp_funcs->set_fan_speed_rpm) {
+ err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
+ if (err)
+ return err;
+ }
+
+ return count;
+}
+
+static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct amdgpu_device *adev = dev_get_drvdata(dev);
+ u32 pwm_mode = 0;
+
+ if (!adev->powerplay.pp_funcs->get_fan_control_mode)
+ return -EINVAL;
+
+ pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+
+ return sprintf(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
+}
+
+static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct amdgpu_device *adev = dev_get_drvdata(dev);
+ int err;
+ int value;
+ u32 pwm_mode;
+
+ /* Can't adjust fan when the card is off */
+ if ((adev->flags & AMD_IS_PX) &&
+ (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+ return -EINVAL;
+
+ if (!adev->powerplay.pp_funcs->set_fan_control_mode)
+ return -EINVAL;
+
+ err = kstrtoint(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (value == 0)
+ pwm_mode = AMD_FAN_CTRL_AUTO;
+ else if (value == 1)
+ pwm_mode = AMD_FAN_CTRL_MANUAL;
+ else
+ return -EINVAL;
+
+ amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
+
+ return count;
+}
+
static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev,
struct device_attribute *attr,
char *buf)
*
* - pwm1_max: pulse width modulation fan control maximum level (255)
*
+ * - fan1_min: an minimum value Unit: revolution/min (RPM)
+ *
+ * - fan1_max: an maxmum value Unit: revolution/max (RPM)
+ *
* - fan1_input: fan speed in RPM
*
+ * - fan[1-*]_target: Desired fan speed Unit: revolution/min (RPM)
+ *
+ * - fan[1-*]_enable: Enable or disable the sensors.1: Enable 0: Disable
+ *
* You can use hwmon tools like sensors to view this information on your system.
*
*/
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 SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO, amdgpu_hwmon_get_fan1_min, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, amdgpu_hwmon_get_fan1_max, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_target, amdgpu_hwmon_set_fan1_target, 0);
+static SENSOR_DEVICE_ATTR(fan1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_enable, amdgpu_hwmon_set_fan1_enable, 0);
static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, amdgpu_hwmon_show_vddgfx, NULL, 0);
static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, amdgpu_hwmon_show_vddgfx_label, NULL, 0);
static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, amdgpu_hwmon_show_vddnb, NULL, 0);
&sensor_dev_attr_pwm1_min.dev_attr.attr,
&sensor_dev_attr_pwm1_max.dev_attr.attr,
&sensor_dev_attr_fan1_input.dev_attr.attr,
+ &sensor_dev_attr_fan1_min.dev_attr.attr,
+ &sensor_dev_attr_fan1_max.dev_attr.attr,
+ &sensor_dev_attr_fan1_target.dev_attr.attr,
+ &sensor_dev_attr_fan1_enable.dev_attr.attr,
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in0_label.dev_attr.attr,
&sensor_dev_attr_in1_input.dev_attr.attr,
struct amdgpu_device *adev = dev_get_drvdata(dev);
umode_t effective_mode = attr->mode;
-
/* Skip fan attributes if fan is not present */
if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
- attr == &sensor_dev_attr_fan1_input.dev_attr.attr))
+ attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
return 0;
/* Skip limit attributes if DPM is not enabled */
attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
- attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
+ attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_input.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_min.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_target.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_enable.dev_attr.attr))
return 0;
/* mask fan attributes if we have no bindings for this asic to expose */
/* hide max/min values if we can't both query and manage the fan */
if ((!adev->powerplay.pp_funcs->set_fan_speed_percent &&
!adev->powerplay.pp_funcs->get_fan_speed_percent) &&
+ (!adev->powerplay.pp_funcs->set_fan_speed_rpm &&
+ !adev->powerplay.pp_funcs->get_fan_speed_rpm) &&
(attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
return 0;
+ if ((!adev->powerplay.pp_funcs->set_fan_speed_rpm &&
+ !adev->powerplay.pp_funcs->get_fan_speed_rpm) &&
+ (attr == &sensor_dev_attr_fan1_max.dev_attr.attr ||
+ attr == &sensor_dev_attr_fan1_min.dev_attr.attr))
+ return 0;
+
/* only APUs have vddnb */
if (!(adev->flags & AMD_IS_APU) &&
(attr == &sensor_dev_attr_in1_input.dev_attr.attr ||
static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
{
uint32_t value;
+ uint64_t value64;
uint32_t query = 0;
int size;
seq_printf(m, "GPU Load: %u %%\n", value);
seq_printf(m, "\n");
+ /* SMC feature mask */
+ if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size))
+ seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64);
+
/* UVD clocks */
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) {
if (!value) {
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