[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 #36 from Nicos Gollan <gtdev at spearhead.de> 2011-10-25 10:53:15 PDT ---
(In reply to comment #35)
> @Comment 32: Using "drm/radeon/kms/cayman/blit: specify CP_COHER_CNTL2 with
> surface_sync" instead of "drm/radeon/kms/cayman: use
> WAIT_REG_MEM for surface_sync in blit code" causes the corruptions to return.
> Lower half of the icons are missing, desktop background image is corrupted.

Are you still seeing complete loss of the lower part? With those patches, I'm
definitely getting a different failure mode, more of a "windowblinds" effect.
Of course that's mostly visible on larger surfaces where it has (time|space) to
occur.

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