[Bug 22576] [KMS] mesa demo spectex broken on rv280

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=22576

--- Comment #6 from Andrew Randrianasulu <randrik at mail.ru> 2010-04-19 22:51:34 PDT ---
Guess i can mark bug 22575 ( [KMS] mesa demo projtex broken on rv280 ) as
duplicate of this, because  projtex works after same " run UMS/glxgears first"
fix?

P.S.: bisecting kernel right now, hopefully will have bisect result today. But
i'll also re-test with current 2.6.34-rc5 kernel (UMS mode) just in case.

Can it be some wrong-initialized register on-card? I mean KMS code write bunch
of regs, but at least one of them stuck/not responded to write, and UMS "fix"
just unlock this reg ? Just possible scenario, i can be completely wrong here
...

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