
In contrast to realtime scheduling, this doesn't risk us getting SIGKILL:ed when the kernel is doing busy looping in drmModeAtomicCommit() for some reason, but will according to testing, right now, give us more or less the same benefit when it comes to dispatch lateness and commit lateness. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4124>