Re: ibook, still questions
On Sam, 2002-12-21 at 19:33, Vincent Bernat wrote:
> OoO Peu avant le début de l'après-midi du samedi 21 décembre 2002,
> vers 13:35, Michel Dänzer <daenzer@debian.org> disait:
>
> >> (I think this leads to a problem with Dual Head then) ?
>
> > What do you mean? radeonfb doesn't support dualhead yet.
>
> Yes, but XFree86 does. With latest DRI from you, XFree86 seems to be
> unable to drive X at a different resolution than radeonfb drives the
> console. On the LCD, X is then in 800x600 (scaled) and on the external
> screen, it is in 1024x768 (or more, my screen does not recognize this
> mode) but with frequencies problems. I think this is due to the fact
> that radeonfb uses 1280x1024.
>
> There was no problem with DRI of november. I may do some test to
> determine the correct combination (since the kernel was updated too).
>
> Another clue : with latest DRI and latest kernel, I can switch back to
> the console without getting corruption (which can be avoided by
> desactivating acceleration with fbset). But when radeonfb uses
> 1280x1024 I get corruption back.
>
> BTW the trick to enable the second screen is to start the computer
> with lid closed. radeonfb keep thinking that there is no external
> screen but it is mirrored. Dual head can be setup via X (with second
> screen not using radeonfb).
>
> Is there a way to dump internal states of the M6 to know the
> difference when I start with the lid closed or not ? I think
> OpenFirmware do some magics...
Dualhead isn't supposed to work with Option "UseFBDev", it's pure luck
if it does.
--
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member / CS student, Free Software enthusiast
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