Stone: A new era for Linux's low-level graphics - Part 2

Here's thesecond part of Daniel Stone's series on recent improvements inlow-level graphics support. "The end result of all this work is thatwe have been able to eliminate the magic side channels which used toproliferate, and lay the groundwork for properly communicating thisinformation across multiple devices as well. Devices supporting ARM's AFBCcompression format are just beginning to hit the market, which share asingle compression format between video decoder, GPU, and displaycontroller. We are also beginning to see GPUs from different vendors sharetiling formats, in order to squeeze the most performance possible fromhybrid GPU systems."