Comment 160 for bug 541511

> --- Comment #133 from legolas558 <email address hidden> 2010-04-19 15:48:18 PDT ---
> I also own an 855GM (rev 02), but I had no glyph corruption with patch v6;
> without the locking patch I experienced crashes, so the most recent patch is
> really necessary for me, although I'd also like to see it more performant. But
> first comes reliability, and right now it's not crashing anymore.

Yep, I want to get this right first before performance tuning starts. But
I have already a few ideas how to improve the current situation.
- The current chipset flush always flushes both directions, but we usually
  only need one direction flushed. This is especially important because
  the slower flush is in gtt->cpu direction, which isn't performance
  critical at all.
- atm the driver executes enormous amounts of unnecessary flushes.
  Batching them up should fix this.