dtn_debugfs_init  748 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 	if (dtn_debugfs_init(adev))
dtn_debugfs_init   33 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h int dtn_debugfs_init(struct amdgpu_device *adev);