Thread (4 messages) flat view 4 messages, 2 authors, 2003-07-30

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

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2003-07-29 20:23:10
Also in: lkml

On Tue, 2003-07-29 at 12:55, James Simmons wrote:
quoted
quoted
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.
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