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Commit 082452e1 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: use 0-255 rather than 0-100 for pwm fan range 



0-255 seems to be the preferred range for the pwm interface.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 85840c76

drivers/gpu/drm/radeon/radeon_pm.c

+6 −2
Original line number Diff line number Diff line
@@ -608,7 +608,7 @@ static ssize_t radeon_hwmon_get_pwm1_max(struct device *dev, 
					 struct device_attribute *attr,

					 char *buf)

{

	return sprintf(buf, "%i\n", 100); /* pwm uses percent-based fan-control */

	return sprintf(buf, "%i\n", 255);

}



static ssize_t radeon_hwmon_set_pwm1(struct device *dev,
@@ -623,6 +623,8 @@ static ssize_t radeon_hwmon_set_pwm1(struct device *dev, 
	if (err)

		return err;



	value = (value * 100) / 255;



	err = rdev->asic->dpm.set_fan_speed_percent(rdev, value);

	if (err)

		return err;
@@ -642,6 +644,8 @@ static ssize_t radeon_hwmon_get_pwm1(struct device *dev, 
	if (err)

		return err;



	speed = (speed * 255) / 100;



	return sprintf(buf, "%i\n", speed);

}