[ati 9600] How to have dual monitor now with the new driver ?

[Alex Deucher]

On 9/19/07, GiGGz <giggzounet at gmail.com> wrote:
> Alex Deucher a écrit :
> > On 9/18/07, giggz <giggzounet at gmail.com> wrote:
> >> Alex Deucher a écrit :
> >>> On 9/18/07, GiGGz <giggzounet at gmail.com> wrote:
> >>>> Hi,
> >>>>
> >>>> With the old driver I use MergedFB in order to have a "big desktop". I
> >>>> have a laptop and a CRT. With normal configuration I get (with the old
> >>>> driver) clone mode when I turn on my CRT. With a different Xorg.conf
> >>>> (see xorg.conf at the end) I could have an extended desktop on my LCD
> >>>> and my CRT. I have read that now the MergedFB option have been diseabled
> >>>> and we must use RandR...how can I do that, in order to have an extended
> >>>> desktop ? (with two different resolutions...)
> >>> you'll need to add a virtual line to your config set to the max size
> >>> desktop you want to use, e.g.,:
> >>>
> >>>        Subsection "Display"
> >>>                Depth   24
> >>>                Virtual 2680 1050
> >>>                Modes   "1400x1050"
> >>>        EndSubSection
> >>>
> >>> then
> >>>
> >>> dualhead:
> >>> xrandr --output VGA-0 --right-of LVDS
> >>>
> >>> turn vga port off:
> >>> xrandr --output VGA-0 --off
> >>>
> >>> etc.  See xrandr --help for more.
> >>>
> >>> Alex
> >> Ok...but it seems that my crt is not found... when I launch xrandr -q i
> >> get that :
> >>
> >> Screen 0: minimum 320 x 175, current 1400 x 1050, maximum 1400 x 1050
> >> default connected 1400x1050+0+0 0mm x 0mm
> >>    1400x1050      60.0*
> >>    1280x1024      60.0
> >>    1280x960       60.0
> >>    1280x800       60.0
> >>    1280x768       60.0
> >>    1152x864       60.0
> >>    1152x768       60.0
> >>    1024x768       60.0
> >>    960x720        60.0
> >>    960x600        60.0
> >>    928x696        60.0
> >>    896x672        60.0
> >>    840x525        60.0
> >>    832x624        60.0
> >>    800x600        60.0
> >>    800x512        60.0
> >>    720x450        60.0
> >>    720x400        60.0
> >>    700x525        60.0
> >>    640x512        60.0
> >>    640x480        60.0
> >>    640x400        60.0
> >>    640x384        60.0
> >>    640x350        60.0
> >>    576x432        60.0
> >>    576x384        60.0
> >>    512x384        60.0
> >>    416x312        60.0
> >>    400x300        60.0
> >>    360x200        60.0
> >>    320x240        60.0
> >>    320x200        60.0
> >>    320x175        60.0
> >>
> >>
> >> So I can't do anything else...and when I put the line with virtual in my
> >> xorg.conf I have a big desktop but on a screen...so it's not an extended
> >> desktop. The desktop is bigger that my screen...
> >>
> >> is there a tip to have a detected crt monitor ?
> >
> > something is wrong with your install.  Either you have an old version
> > of xrandr or the randr proto or there's a problem with your xserver or
> > you are running an old version of the ati driver.
> >
> > Alex
>
> I have compiled my kernel and I have activated radeonfb. Can radeonfb be
> the cause of my problem ? I'm running under debian SID.

doubtful.  radeonfb would not affect protocol which this issue seems
to be related to.  however, radeonfb can cause lock ups and such when
mixed with the X driver in some cases.  Take a look at your X log and
make sure you are running the new server and driver.

Alex