[Bug 54662] [bisected] Kernel 3.6 breaks KMS on Radeon RV530 (black screen)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54662

Simon Kitching <skitching at apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Simon Kitching <skitching at apache.org> 2012-09-16 07:20:29 UTC ---
Most of the discussion on this issue has been going on at bug 54129 and bug
51344.

A patch has recently been merged into Linus' tree for 3.6-rc5+:

commit f492c171a38d77fc13a8998a0721f2da50835224
Author: Christian König <deathsimple at vodafone.de>
Date:   Thu Sep 13 10:33:47 2012 +0200

    drm/radeon: make 64bit fences more robust v3

This fixes the issue, so I'll close this bug as fixed.
Thanks to Christian,Alex,Tony,Jerome.

Just a minor note: perhaps a comment in the patch would have been useful, to
explain why the extra ORs and comparisons are needed - so the next cleanup
doesn't take them out again?

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