drm/amdgpu: Disable sysfs pwm1 if not in manual fan control (b8a9c003) · Commits · 戴 / test

Following lm-sensors 3.0.0, Only enable pwm1 sysfs when fan control mode(pwm1_enable) in manual Reviewed-by:

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1120,12 +1120,19 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
		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;