Re: [ACPI] Suspend-to-RAM on Sony Vaios

[<ole...@ce...>]

Andi> I don't think proper point is a big issue anyways. The only
Andi> kernel user that really cares about video state is the console.

And as most modern graphics adapters are bus master capable, how do
you make sure it is not hanging on the bus request at the moment you
re-enable BM arbitration?

Speaking as someone who's tried extensively to get the "usermode,
anytime"-approach to work, what really turned me off was not being
able to get the console working.

Andi> But you would need to be careful to not schedule
Andi> the X server or a DRI client before it has run.
Andi> You would need a kind of "single process" mode.

Andi> I suspect doing it in assembly early would be cleaner.

:-)

Ole