[Bug 84627] (bisected) 32bit corruption with PIPE_USAGE_STREAM reverted

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84627

--- Comment #9 from smoki <smoki00790 at gmail.com> ---
(In reply to Michel Dänzer from comment #8)
> (In reply to smoki from comment #7)
> > No, that does not help for this corruption.
> 
> Note that I mean disabling *all* uses of RADEON_FLAG_GTT_WC. With those
> disabled, the behaviour should be basically the same as before the commit
> you bisected to. If that really doesn't work anymore, can you bisect which
> other commit in the meantime broke things without RADEON_FLAG_GTT_WC?

 I tried only to disable it in default, and also both RADEON_FLAG_GTT_WC
together and also tried your patch form here
https://bugs.freedesktop.org/show_bug.cgi?id=84662#c12 ... it return to old
behavior, so there is no stutter but there is not anymore performance gain...
and corruption is still there.

 Don't know which other commit to bisect it does not work at mesa
07c65b85eada8dd34019763b6e82ed4257a9b4a6 and kernel commit
02376d8282b88f07d0716da6155094c8760b1a13 ... even with both RADEON_FLAG_GTT_WC
disabled and the same disablement does not work with current stack.

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