Phoronix: Intel To Hide Early Hardware Support By Default

While Intel is quick to work on enabling future hardware within their open-source graphics driver stack for Linux, the early support is often buggy and problematic on the early code before the hardware is released. Intel now intends to conceal this early hardware support -- for Valley View and Haswell right now -- behind a run-time variable for toggling the support...

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