Hi,
Here is an updated version, all in one patch. When we agree on the code,
I'll split it into 3 patches.
The new code is way better. As suggested on IRC, I also disable IRQs and
PFIFO cache pull and push.
Please have a look and test it. This patch needs to get upstream as it
gives a reliable way to change the clock even in the middle of a game.
It is not perfect yet, changing the clocks too often (like several
thousand of times) lead to an hung card :)
Regards,
Martin
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