Intel Gen 12 Graphics Bringing "Display State Buffer" Engine

Since June there has been the Intel open-source development team volleying Linux patches for bringing up Tiger Lake "Gen 12" graphics. There have been several rounds of patches working on the new Gen 12 graphics and that experimental open-source support is coming with Linux 5.4. A new patch series sheds more light on one of the new Gen 12 hardware features: the Display State Buffer engine...