Thank you! IIRC Wayland requires a working DRM layer, which has huge overheads on such a device, and it doesn't exist at this moment. Currently the fastest way

Thank you! IIRC Wayland requires a working DRM layer, which has huge overheads on such a device, and it doesn't exist at this moment. Currently the fastest way to draw screen I know is to use /dev/mem, which can achieve 30+ fps for full screen updates. So I plan to modify the Xfbdev to let it use /dev/mem.