On Mon, 09 Aug 2010 18:04:50 +0100, Chris Wilson <ch...@chris-wilson.co.uk> wrote: > On Mon, 9 Aug 2010 09:45:38 -0700, Jesse Barnes <jbar...@virtuousgeek.org> > wrote: > > Is this hack even needed? I noticed on my 945GM that INSTDONE has a > > stuck bit when I use this code, removing it didn't seem to have any > > negative effects... > > I'm not sure why we need to trigger a Sync on the GPU at this point, I > just assumed it was one of those magic bits of code required to bring up > the hardware.
Beginning a sync flush and continuing without waiting for the sync flush to actually complete looks awfully bogus to me. In the absence of justification, I'd lean towards nuking this code.
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