On Thu, 18 Oct 2012 13:07:18 -0500, Jesse Barnes <jbarnes at virtuousgeek.org> wrote: > "If ENABLED, PIPE_CONTROL command will flush the in flight data written > out by render engine to Global Observation point on flush done. Also > Requires stall bit ([20] of DW1) set." That quotation doesn't make sense in the context of TLB invalidation, and the programming guide here very carefully avoids the mention of requiring any stall bit set for the post-sync op of TLB invalidation. Maybe quote chapter and verse as well? -Chris -- Chris Wilson, Intel Open Source Technology Centre
