[XFree86] Dual Head detection

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My radeon mergedfb driver supports this.  it is in DRI CVS and is
available in the DRI binary snapshots:
http://dri.sourceforge.net/snapshots/

Just sput together a working Mergedfb setup, and then start X.  if you
have an external monitor attached, X will start with your dualheaded
setup. if it finds no monitor, it will use a single headed setup.  As
an added bonus HW accelerated 3D will work on both heads as well.

More info on radeon mergedfb:
http://bugs.xfree86.org/show_bug.cgi?id=276
http://www.botchco.com/alex/radeon/mergedfb/cvs/DRI/final/radeon.4.html


Let me know if you hve any problems,

Alex


----------

Hi!

I've got a notebook with second head capability. I managed to have my
second head working OK, but I have two layouts in my XF86Config-4, one
describing a single head setup, and one the two-head setup. I was
wondering
if the X server had a way to detect that a second monitor is plugged in
or
not, and choose a layout based on that.

What I'd like is :
 - not reboot the notebook
 - just restart the X-server (logging out is OK).

GFX:     radeom M6 LY
kernel:  2.4.22-ac2
XFree86: 4.3.99.11

At boot time, the fradeonfb detects the presence/abscence of a second
monitor,
but will not update this at runtime. Is there a way to do this?

Regards,
Yann.

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