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

--- Comment #32 from Alex Deucher <[email protected]> 2011-10-24 12:21:14 PDT ---
(In reply to comment #31)
> 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.

Please try attachment 52700 (drm/radeon/kms/cayman/blit: specify CP_COHER_CNTL2
with surface_sync) instead of attachment 52699 (drm/radeon/kms/cayman: use
WAIT_REG_MEM for surface_sync in blit code).

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