Following lm-sensors 3.0.0,
Only enable pwm1 sysfs when fan control mode(pwm1_enable)
in manual
Signed-off-by: Rex Zhu <rex....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 1d85706..d6bd5ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -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;
--
1.9.1
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
