Phoronix: DRM Development Documentation (TTM, GEM, KMS, etc)

One of the common complaints that arise from hopeful X.Org / Mesa developers or those aspiring to contribute to this critical free software area is that there's not enough documentation that is up-to-date and covers the internals of the X Server, Mesa, DDX drivers, etc. Well, for those looking to get into any Direct Rendering Manager (DRM) work, a heap of new documentation is available...

http://www.phoronix.com/vr.php?view=NzY0NA