[Bug 91881] regression: GPU lockups since mesa-11.0.0_rc1 on RV620 (r600) driver
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Sep 5 13:44:09 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=91881
--- Comment #3 from markus gapp <markus.gapp at pr-link.at> ---
git bisect found commit 29aaab2b5f55cc6d9a84f58ce2bb8607e76a9dde as the
culprit. reverting it makes 11.0.0-rc2 work on my hw. for some reason it does
not like
commit 29aaab2b5f55cc6d9a84f58ce2bb8607e76a9dde
Author: Grigori Goronzy <greg at chown.ath.cx>
Date: Wed Jun 24 03:38:02 2015 +0200
winsys/radeon: align BO size to page size
This is the basic granularity for BO allocations. The alignment also
helps with BO reuse by the cached bufmgr.
This results in a huge 45% speedup in Metro 2033 Redux on my test
system. The game relies on buffer orphaning with very small buffers
(hundreds of bytes in size) and that did not work efficiently
before. This change may also affect other applications and games.
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
thank you!! markus
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