freedreno/pps: improve interaction with turnip
turnip uses priority 0. pps should too (actually, it makes sense to do so regardless of what turnip does).
turnip is not expected to starve pps, but it does with drm-next for 5.20.
turnip uses priority 0. pps should too (actually, it makes sense to do so regardless of what turnip does).
turnip is not expected to starve pps, but it does with drm-next for 5.20.