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https://bugs.freedesktop.org/show_bug.cgi?id=4327
------- Additional Comments From [EMAIL PROTECTED] 2005-10-17 00:28 -------
(In reply to comment #8)
>
> I don't think there's a need to lock before calling CheckIdle(), it's not
> changing the hardware state, I think it's ok to read an mmio reg without
> holding
> the lock.
True, but the problem is that if you don't take the lock, another process could
theoretically keep the engine busy indefinitely.
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