[Bug 15186] Radeon KMS: [RV730] Garbled kwin shadows and pixmaps

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http://bugzilla.kernel.org/show_bug.cgi?id=15186





--- Comment #14 from Nils Kneuper <crazy-ivanovic@gmx.net>  2010-02-03 13:18:43 ---
(In reply to comment #8)
> Applied second patch on top of vanilla 2.6.33-rc6:
> - Both #if 1's: *Fixed*
> - set_domain #if 0, wait_idle #if 1: *Fixed*
> - set_domain #if 1, wait_idle #if 0: *Not fixed* (same effect as before)
> 
> The wait_idle part seems important.

Okay, after my tests with 2.6.33-rc6 I do have exactly the same results! So the
"wait_idle #if 1" part of the patch basically does the trick. Just to be 100%
sure I checked if the issues do occur with vanilla 2.6.32, too, and they are
there just as with an unpatched 2.6.33-rc6 for me. So it might in fact be that
the "real" issue (at least for me) is something else but the change strangely
does fix things.

As a note on the side: it makes no difference if qt 4.5.x or 4.6.x is used, had
the issues with both.

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