First slice of 4.13 features: new uabi: - extend error state dumping to include non-batch buffers requested by userspace (Chris), so that mesa gets more useful error state dumps - reapply the link status patch, for handlig dp link failures (Manasi). This needs updated -modesetting to work correctly. - Add new _WC cache domain, our assumption that wc can be subsumed by the existing cache domains didn't pan out (Chris) feature work: - first pile of conversion to atomic properties for connectors (Maarten) - refactor dp link rate handling code and related areas (Jani) - split engine info into class and runtime stuff (Oscar Mateo) - more robust wait_for_register code (Chris, Michal Wajdeczko) - fix rcu issues in the shrinker and simplify locking (Joonas) - guc/huc for glk (Anusha) - enable atomic modesetting for vlv/chv (Ville), plus final fixes for that