Re: TTM placement & caching issue/questions

On Thu, Sep 04, 2014 at 12:25:23PM +1000, Benjamin Herrenschmidt wrote:

On Wed, 2014-09-03 at 22:07 -0400, Jerome Glisse wrote:

quoted

So in the meantime the attached patch should work, it just silently ignore
the caching attribute request on non x86 instead of pretending that things
are setup as expected and then latter the radeon ou nouveau hw unsetting
the snoop bit.

It's not tested but i think it should work.

I'm still getting placements with !CACHED going from bo_memcpy in
ttm_io_prot() though ... I'm looking at filtering the placement
attributes instead.

Ben.

Ok so this one should do the trick.

quoted

quoted

Cheers,
Jérôme

quoted

Cheers,
Ben.


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