[Bug 31670] RV670 GPU lockup with OpenArena benchmark and kernel 2.6.37 rc1/rc2

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Nov 21 07:27:07 PST 2010


--- Comment #3 from Alain Perrot <alain.perrot at gmail.com> 2010-11-21 07:27:07 PST ---
Here it is:

d0f8a854c340986359a3b0a97e380c71def7a440 is the first bad commit
commit d0f8a854c340986359a3b0a97e380c71def7a440
Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Sat Sep 4 05:04:34 2010 -0400

    drm/radeon/kms/r6xx+: use new style fencing (v3)

    On r6xx+ a newer fence mechanism was implemented to replace
    the old wait_until plus scratch regs setup.  A single EOP event
    will flush the destination caches, write a fence value, and generate
    an interrupt.  This is the recommended fence mechanism on r6xx+ asics.

    This requires my previous writeback patch.

    v2: fix typo that enabled event fence checking on all asics
    rather than just r6xx+.

    v3: properly enable EOP interrupts
    Should fix:

    Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
    Signed-off-by: Dave Airlie <airlied at redhat.com>

:040000 040000 f9980a7432d5daac116586b03587fd90be768be9
ad8ce09ffba05e2438c50ddff1fa6243e1349ccd M      drivers

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