dev_attr_gpu_busy_percent 2890 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c &dev_attr_gpu_busy_percent); dev_attr_gpu_busy_percent 2979 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);