Re: [PATCH] Framebuffer: client notification mecanism & PM

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Tue, 2003-07-29 at 12:55, James Simmons wrote:
> > > matroxfb tried to use a 'dead' for handling hot removal, but your code
> > > looks definitely saner
> > 
> > My code wasn't really intended to deal with hot-removal, more with
> > "what happens if printk occurs during the Power Management suspend
> > sequence", but I tried to keep the notification mecanism simple
> > enough so it could be used for that as well. Also, indeed, the fbcon
> > changes should deal with hot-removal in some way (though you surely
> > also want to "deatch" from the fbdev's in this case).
> > 
> > Among other things that could be used for is live monitor insertion/
> > removal detection (some HW are able to do that), "pivot" monitor
> > kind of things, etc... typically via the mode_changed hook.
> 
> I knew it was a matter of time before "client" management would happen. 
> Is this a 2.6.X thing tho or shoudl we wait for the next developement 
> cycle. I don't mind working on experimental stuff.

We need that now for proper power management.

Ben.