drm/amd/powerplay: implement pwm1 hwmon interface for SMU11 (v2)

added main functions:
	get_fan_speed_percent
	set_fan_speed_percent.
added dependent functions:
	smc_fan_control
	set_fan_static_mode
	get_fan_speed_percent

v2: fix coding style issue

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, 14 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index c3508a7c8bfd..284d28acb8c1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1444,8 +1444,10 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
         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 (is_support_sw_smu(adev))
+                pwm_mode = smu_get_fan_control_mode(&adev->smu);
+        else
+                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;
@@ -1457,7 +1459,11 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
 
         value = (value * 100) / 255;
 
-        if (adev->powerplay.pp_funcs->set_fan_speed_percent) {
+        if (is_support_sw_smu(adev)) {
+                err = smu_set_fan_speed_percent(&adev->smu, value);
+                if (err)
+                        return err;
+        } else if (adev->powerplay.pp_funcs->set_fan_speed_percent) {
                 err = amdgpu_dpm_set_fan_speed_percent(adev, value);
                 if (err)
                         return err;
@@ -1479,7 +1485,11 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
              (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
                 return -EINVAL;
 
-        if (adev->powerplay.pp_funcs->get_fan_speed_percent) {
+        if (is_support_sw_smu(adev)) {
+                err = smu_get_fan_speed_percent(&adev->smu, &speed);
+                if (err)
+                        return err;
+        } else if (adev->powerplay.pp_funcs->get_fan_speed_percent) {
                 err = amdgpu_dpm_get_fan_speed_percent(adev, &speed);
                 if (err)
                         return err;