Re: Sony Vaio PCG-C1VRX/K Picturebook, Suspend to Ram works, but has a strange effect on the idle display

[Benedek Frank <linux-mmCHBaZtUya2oZ/6fjIToQ@public.gmane.org>]

On Saturday 11 June 2005 01:08, Matthew Garrett wrote:
> On Fri, 2005-06-10 at 20:38 +0200, Benedek Frank wrote:
> > Now, I can suspend and resume with the script I wrote for it, but even
> > while suspended, the screen wont turn 100% off. If I tilt in in a way,
> > about 160degree angle, I can see some text on the screen. Of course I can
> > barely see it, but I can for Christ`s sake, while it should be off. For
> > an "untrained" eye it seems the screen is black of course, but I got
> > suspicious after a few days of being able to suspend, as the laptop wasnt
> > 100% quiet. The screen is making a little, very very little scratching
> > noise, that I cannot really describe its more like an "electric" noise.
> > Its bugging me, as it must be using some of my battery, while it should
> > not be using anything other than what the RAM needs to not loose its
> > stored memory.
>
> If you don't have a PCI driver bound to your video device, the kernel
> will not actually power it down. This is probably a deficiency in the
> kernel, but still. On most machines the BIOS will power it down anyway,
> but this isn't always the case.

So it means there isnt a way I can make it work? How can I tell the BIOS to 
shut the screen? Do I need to enable that dusty APMD to do it for me?

And the screen is almos shut, so it is definetally dimmed to the extent where 
it cannot be seen, except with suspicious eyes. And when I resume, which is 
open the display and hit a key, I can see that the display turns off for a 
second, and then on again. And when I suspend without that boot time 
parameter, the screen is off when I do the suspend, just there is no way to 
wake it up again. So my new question is, isnt there a tool, that wakes up 
Video for a Ati Mobility P/M card? I also have a Dell 700m, with an Intel 
onboard card, that comes with the centrinos, and there is a tool, that need 
to be run upon awakening, and the video will post.



Thanks

Ben


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