This patch series provides the initial APIs for high priority contexts. The current implementation is based on top of the SW scheduler, there are no HW priorities set yet. This doesn't provide the quality of service we need for VR. Further changes to enable HW priorities will be required. For some performance data collected with multiple apps see: https://lists.freedesktop.org/archives/amd-gfx/2016-December/004257.html Test apps available here: https://github.com/lostgoat/Vulkan Related libdrm/radv patches to follow
