dc_stream_retain
dc_stream_retain(dm_new_crtc_state->stream);
dc_stream_retain(new_stream);
dc_stream_retain(stream);
dc_stream_retain(acrtc_state->stream);
dc_stream_retain(state->stream);
dc_stream_retain(stream);
dc_stream_retain(dst_state->phantom_streams[i]);
dc_stream_retain(dst_state->streams[i]);
dc_stream_retain(stream);
void dc_stream_retain(struct dc_stream_state *dc_stream);