[ltp] T41p/T42p/R50p VGA and DVI Out

Alex Deucher linux-thinkpad@linux-thinkpad.org
Thu, 5 Jan 2006 09:05:35 -0500


On 1/5/06, Dave Hansen <dave@sr71.net> wrote:
> On Mon, 2005-12-19 at 10:16 -0500, th.trauco@neverbox.com wrote:
> > 1) Can a t42p be configured to do on-the-fly (i.e. without restarting
> > the X server) switching/cloning of the screen using fn-f7 for the VGA
> > port?
>
> Yes.  I just got this working today, and I used the "CloneDisplay"
> option to the free radeon driver.    My colleagues and I are learning
> that there are several ways to do this, but this method is functional
> for me.  It also allows me to switch resolutions at runtime with
> gnome-display-properties and xrandr.
>

Just to clarify, the current radeon driver doesn't actually have a
"CloneDisplay" option.  The driver defaults to cloning using both
crtcs if multiple monitors are detected.

Alex