On Tue, Sep 30, 2014 at 03:08:02PM +0100, Tvrtko Ursulin wrote: > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > Write and reads following the block changed use engine specific use counters > and unless that is matched here force wake use counting goes bad. Same > force wake is attempted to be taken twice which leads to at least time outs. > > NOTE: Depending on feedback from hardware designers it may not be necessary > to grab force wakes on Gen9 here. But for Gen8 it is needed due to a race > between RC6 and ELSP writes. > > v2: Added blitter force wake engine and made more future proof. > Added commit note. Speaking of futureproofing, what did you think of my patch to remove the duplicated counting logic? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
