Re: [Xorg-driver-geode] Xorg.conf for Geode LX LVDS panel

Dirk De Becker Wed, 07 Jan 2009 08:19:14 -0800

Hi all,

Sorry to re-open this old topic, but I finally found some time to test things a little more.
I notice that I can get my X working if I erase my xorg.conf, and let X figure it out for itself.
However, the image does not fully fit on the screen (I only see the top part of my desktop).
I tried X --configure as well, but if I use the xorg.conf that is created by that command, I do not get an image on my screen. However, since X can run (and give me an image) if there is no config file available, I am sure that it must be possible to get it working correctly.
Is there a way to make X write its configuration, once it is running?

Kind regards,

Dirk

Jordan Crouse wrote:

On 22/08/08 15:50 +0200, Dirk De Becker wrote:

Hi all,


I know this probably is a stupid question to most of you, but I am 
trying to connect an LVDS panel to my AMD Geode LX board, and up to now, 
I do not get an image on the panel. Can anyone provide me with a simple 
xorg.conf file that does this?


You either need to set up your panel in the BIOS (which the X driver will
pick up automatically), or you can specify the

"Option" "PanelGeometry" "<width>x<height>"

in your xorg.conf.  If you don't have "standard" panel, then you will need
to probably also specify the timings for your panel as a ModeLine.

Try the BIOS route first, it is easier to configure.

Jordan

PS for posterity on Google:  If you are trying the newer RandR branch,
(v 2.12.0 and higher), then replace "PanelGeometry" with:

"PanelMode" "hactive hsyncstart hsyncend htotal vactive vstart vsend vototal"

You won't need to specify a seperate modeline in this case.

Jordan

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Re: [Xorg-driver-geode] Xorg.conf for Geode LX LVDS panel

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