Phoronix: Linux Hybrid Graphics Will Be A Mess For A While

Most of you know this already, but: hybrid graphics, the technology concept of having dual GPUs (generally a low-power IGP and a high-performance discrete GPU) and being able to seamlessly switch between them depending upon load and battery life, is a mess under Linux. It will continue to be a mess for the near-term...

http://www.phoronix.com/vr.php?view=MTAwOTA