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);