r.HLOD.MaximumLevel

How far down the LOD hierarchy to allow showing (can be used to limit quality loss and streaming texture memory usage on high scalability settings-1: No maximum level (default) 0: Prevent ever showing a HLOD cluster instead of individual meshe 1: Allow only the first level of HLOD clusters to be show2+: Allow up to the Nth level of HLOD clusters to be shown