The slide deck from the presentation isn't yet available, but for those interested, embedded below is a video recording of the session talking about ARM Mali Linux graphics drivers and the Q&A period where there was inquiries about the lack of open drivers, etc. While they don't have an open driver stack at this time, at least their Mali Vulkan SDK is open.
Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.