LazarusCat59

### Description As the [linux-drm-syncobj-v1](https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/90) wayland protocol MR is ready to merge, and the wlroots implementation ([wlroots!4262](https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4262) and [wlroots!4260](https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4260)) is pretty much complete, I would like to request explicit sync...