http://bugs.freedesktop.org/show_bug.cgi?id=15708
Charlie Xia <[EMAIL PROTECTED]> changed:
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--- Comment #6 from Charlie Xia <[EMAIL PROTECTED]> 2008-04-27 15:49:18 PST ---
(In reply to comment #5)
> (In reply to comment #3)
> > More stranger, if i turn it off by 'xrandr --output VGA-0 --off', the LVDS
> > get
> > resized. my VGA-0 is supposed to run in 1280x1024 and LVDS 1024x768.
> > Hope that gives you more information for judgement.
> >
>
> right. the driver thinks the output is working. we are just missing some bit
> in the dac init sequence to make the dac actually produce an output.
>
> > And can you briefly explain what is the GPIO magic? Can I do anything more?
> > or
> > just give up? I actually had put a lot of my time on it and it drove me ;(.
>
> I think you may have to toggle some gpio pins to switch the dac output between
> the S-video port and the VGA port, but as you are still having problems even
> with VGA connected at boot, I suspect the problem may be elsewhere. I'll have
> to check the register specs and see if there are any strange quirks with
> certain old IGP chips.
>
I really expect that you can figure things out, if it is not too painful.
If I can be of any help to you just let me know. And if you come up with any
patch or hack, keep me informed and I will test it ASAP.
Thanks
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