drm/amdgpu: fix bug return invalid value to sysfs.

Signed-off-by: Rex Zhu <Rex.Zhu@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 f251d0f..9abd8f6 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -184,7 +184,7 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
        }
 
        if (current_level == level)
-               return 0;
+               return count;
 
        if (level == AMD_DPM_FORCED_LEVEL_PROFILING)
                amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_GFX,