[Bug 40221] NI / Cayman: Frequent pixmap corruption on >=3.0 kernels

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=40221

--- Comment #31 from Harald Judt <h.judt at gmx.at> 2011-10-24 12:10:56 PDT ---
Applying the following patches seems to have fixed this for me (and so 
duplicate bug 38022).

drm/radeon/kms: add some additional cayman blit state
drm/radeon/kms: rework texture cache flush in r6xx+ blit code
drm/radeon/kms/cayman: explicitly program CP_COHER_CNTL2 in blit code
drm/radeon/kms/cayman: use WAIT_REG_MEM for surface_sync in blit code

However, I can no longer start the game naev; It crashes the system so that the
screen freezes on the loading screen and restarting gdm doesn't work. I can
still ssh into the system and reboot it. Starting the game worked before,
though then there were glyph corruptions in the game. I hope these freezes only
appear in this game, though.

I haven't tried Jerome Glisse's 'force full flush' patch.

Thanks for making my system usable again.

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