Phoronix published a review on the Intel Lands More Graphics Changes For Linux 3.18
A quote from the article:
For the Linux 3.18 kernel Intel has ready some more DRM graphics driver changes beyond the exciting work already sent into drm-next.Intel Lands More Graphics Changes For Linux 3.18 @ Phoronix
Intel already landed in the drm-next tree improved Cherryview support and many other changes while this week another patch series sent in by Intel OTC's Daniel Vetter just landed into drm-next.