drm/amd/powerplay: create pp_od_clk_voltage device file under OD support

Since pp_od_clk_voltage device file is for OD related sysfs operations.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 1f61ed9..6896dec 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2008,6 +2008,7 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
 
 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 {
+       struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
        int ret;
 
        if (adev->pm.sysfs_initialized)
@@ -2091,12 +2092,14 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
                                "pp_power_profile_mode\n");
                return ret;
        }
-       ret = device_create_file(adev->dev,
-                       &dev_attr_pp_od_clk_voltage);
-       if (ret) {
-               DRM_ERROR("failed to create device file "
-                               "pp_od_clk_voltage\n");
-               return ret;
+       if (hwmgr->od_enabled) {
+               ret = device_create_file(adev->dev,
+                               &dev_attr_pp_od_clk_voltage);
+               if (ret) {
+                       DRM_ERROR("failed to create device file "
+                                       "pp_od_clk_voltage\n");
+                       return ret;
+               }
        }
        ret = device_create_file(adev->dev,
                        &dev_attr_gpu_busy_percent);
@@ -2118,6 +2121,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 
 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 {
+       struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+
        if (adev->pm.dpm_enabled == 0)
                return;
 
@@ -2138,8 +2143,9 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
        device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
        device_remove_file(adev->dev,
                        &dev_attr_pp_power_profile_mode);
-       device_remove_file(adev->dev,
-                       &dev_attr_pp_od_clk_voltage);
+       if (hwmgr->od_enabled)
+               device_remove_file(adev->dev,
+                               &dev_attr_pp_od_clk_voltage);
        device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
 }