On Fri, Nov 11, 2011 at 20:37, Eric Anholt <e...@anholt.net> wrote:
> I was assuming you were working on this because you were planning on
> building something that *used* this swizzling.  We removed all the
> userland because we never got it to actually work.

I have started to look into the swizzle test because we absolutely
need correct swizzle information for swapout/in. Doing a pread/pwrite
instead of forcing the machine to swap simply gets the results  much
quicker (but I plan to have a separate swap test, too). While
wrestling around with swizzling I've just added in the gen6+ stuff
here, which I've noticed a while back on bspec review. And it indeed
seems to speed things up a wee bit.

I certainly don't plan to use this swizzle information in real
userspace clients ;-) but hopefully this work leads to a more correct
swap code.

Cheers, Daniel
-- 
Daniel Vetter
daniel.vet...@ffwll.ch - +41 (0) 79 364 57 48 - http://blog.ffwll.ch
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