drm/amd/powerplay: implement pwm1_enable hwmon interface for SMU11 (v2)

1, set get_pwm1_enable and set_pwm1_enable functions to call
smu_get_fan_control_mode and smu_set_fan_control_mode for SMU11
2, implement set_fan_control_mode function

v2: add return value in set_fan_control_mode function

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 21 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 284d28acb8c1..b1e6e67d5c2f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1382,11 +1382,14 @@ static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
 {
         struct amdgpu_device *adev = dev_get_drvdata(dev);
         u32 pwm_mode = 0;
+        if (is_support_sw_smu(adev)) {
+                pwm_mode = smu_get_fan_control_mode(&adev->smu);
+        } else {
+                if (!adev->powerplay.pp_funcs->get_fan_control_mode)
+                        return -EINVAL;
 
-        if (!adev->powerplay.pp_funcs->get_fan_control_mode)
-                return -EINVAL;
-
-        pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+                pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+        }
 
         return sprintf(buf, "%i\n", pwm_mode);
 }
@@ -1405,14 +1408,22 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
              (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
                 return -EINVAL;
 
-        if (!adev->powerplay.pp_funcs->set_fan_control_mode)
-                return -EINVAL;
+        if (is_support_sw_smu(adev)) {
+                err = kstrtoint(buf, 10, &value);
+                if (err)
+                        return err;
 
-        err = kstrtoint(buf, 10, &value);
-        if (err)
-                return err;
+                smu_set_fan_control_mode(&adev->smu, value);
+        } else {
+                if (!adev->powerplay.pp_funcs->set_fan_control_mode)
+                        return -EINVAL;
+
+                err = kstrtoint(buf, 10, &value);
+                if (err)
+                        return err;
 
-        amdgpu_dpm_set_fan_control_mode(adev, value);
+                amdgpu_dpm_set_fan_control_mode(adev, value);
+        }
 
         return count;
 }