On Jan 13, 09 18:07:13 +0100, Xavier Bestel wrote: > On Tue, 2009-01-13 at 17:41 +0100, Matthias Hopf wrote: > > > tear free. Sometimes the diagonal tear can be seen in one or more (2..4 > > > segments out of 11) of the 100 line segments. This last point is really > > > puzzling, this could indicate the graphics engine is just keeping up > > > with the refresh, slightly slower or slightly faster. > > > > Could be a caching issue, pushing out the cache after each block might > > help. > > Why not just after the last block ?
Because the chip might reorder memory writes, and decide for later blocks to be pushed out first (or even pushed out to memory w/o changing the cache). That way you *could* see multiple tearings. Again, this is a lot of hand waving. Still, it might be an idea. Matthias -- Matthias Hopf <[email protected]> __ __ __ Maxfeldstr. 5 / 90409 Nuernberg (_ | | (_ |__ [email protected] Phone +49-911-74053-715 __) |_| __) |__ R & D www.mshopf.de _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
