Re: [PATCH] PM / i915: Skip kernel VT switch during suspend/resume if KMS is used

From: Rafael J. Wysocki
Date: Sun Jan 24 2010 - 14:04:04 EST

On Sunday 24 January 2010, Alan Cox wrote:
> > I've been testing this patch for over a week and haven't seen a single problem
> > related to it during this time.
> >
> > Are there any objections to it?
> Usual question 8) - explain the locking. What happens if we suspend as
> kms is initialising/being removed.

Nothing extremely interesting AFAICS. There's no X yet or it's already exited,
so we don't need a VT switch anyway.

> Also what happens if you have KMS and non KMS consoles both active
> through the frame buffer off different cards ?

That's more interesting. In fact I didn't take that into consideration. :-)
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