Messages in this thread | | | Date | Tue, 12 Sep 2006 11:21:00 +0200 | From | Pavel Machek <> | Subject | Re: ACPI: Idle Processor PM Improvements |
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On Wed 2006-09-06 08:58:49, Jordan Crouse wrote: > On 06/09/06 12:37 +0200, Pavel Machek wrote: > > Hi! > > > > > > 2.4 and 2.6 are *very* different here. You'll probably need to optimize freezer > > > > in 2.6 a bit... > > > > > > > > > > Among other problems: e.g. 2.4 did not automatically do a VT switch; 2.6 > > > does; we'll have to have a way to signal "we're a sane display driver; > > > don't switch away from me on suspend". > > > > Not like that, please. > > > > You are using X running over framebuffer, right? So that kernel is > > controlling the graphics hardware. In such case it is safe to avoid VT > > switch. > > Actually not - the Geode GX has full 2D hardware acceleration with a complete > X driver to match. No Xfbdev here.
Ok, so what is needed is message to X "we are suspending", and X needs to respond "okay, I'm ready, no need for console switch".
Alternatively, hack kernel to take control from X without actually switching consoles. That should be possible even with current interface. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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