Nvidia Go on laptop, black border within XFree86 problem

07-30-02, 06:16 PM

Hi there,

I had this problem some time ago and posted it (even got a response how to fix it). However, after fixing it long time ago, and now that I've re-done the system, I forgot how to fix it again. Since nvnews doesn't have any of the older posts, was wondering if anyone still knows what the problem is.

Here goes...my problem is. I'm using a Dell Inspiron laptop that has a Nvidia Geforce Go. X loads fine, but everything is at a smaller resolution, thus creating a black border around everything.

I remember to solve this problem, I recompiled the nvidia kernel module and added (or something of the sort) to the os-registry.c file,

U032 NVreg_IgnoreEDID 0x1;
MODULE_PARM(NVreg_IgnoreEDID, "i");

I've also tried adding the following to /etc/X11/XFree86-4:
Option "FlatPanelScalingMode" "Scaled"

But, it still does the same.

Any help that can be provided is appreciated.

**Thunderbird** · 07-31-02, 03:33 AM

I think it depends on the resolution you use on your laptop. A laptop screen is actually made for only one or two resolutions. Other resolutions are not optimal. The image is scaled for example.

You can do two things:
1) Use the optimal resolution for your display. No scaling will be used then and the image quality will be optimal.

2) Play with the option "FlatPanelProperties" which is documented in the Readme file of the drivers.

07-31-02, 10:27 AM

I just recently came across this problem and here is what you have wrong.

option "FlatPanelDisplay" "Scaling=scaled"

or what I use

option "FlatPanelDisplay""Scaling=local"

hope this helps

Ryan

**Thunderbird** · 07-31-02, 10:58 AM

The option isn't FlatpanelDisplay. The option specially mentioned in the driver docs is:

Option "FlatPanelProperties" "string"

Requests particular properties of any connected flat
panels as a comma-separated list of property=value pairs.
Currently, the only two available properties are 'Scaling'
and 'Dithering'. The possible values for 'Scaling' are:
'default' (the driver will use whatever scaling state
is current), 'native' (the driver will use the flat
panel's scaler, if it has one), 'scaled' (the driver
will use the NVIDIA scaler, if possible), 'centered'
(the driver will center the image, if possible),
and 'aspect-scaled' (the driver will scale with the
NVIDIA scaler, but keep the aspect ratio correct).
The possible values for 'Dithering' are: 'default'
(the driver will decide when to dither), 'enabled' (the
driver will always dither when possible), and 'disabled'
(the driver will never dither). If any property is not
specified, it's value shall be 'default'. An example
properties string might look like:

"Scaling = centered, Dithering = enabled"

07-30-02, 06:16 PM	#1
raxip Guest Posts: n/a	Nvidia Go on laptop, black border within XFree86 problem Hi there, I had this problem some time ago and posted it (even got a response how to fix it). However, after fixing it long time ago, and now that I've re-done the system, I forgot how to fix it again. Since nvnews doesn't have any of the older posts, was wondering if anyone still knows what the problem is. Here goes...my problem is. I'm using a Dell Inspiron laptop that has a Nvidia Geforce Go. X loads fine, but everything is at a smaller resolution, thus creating a black border around everything. I remember to solve this problem, I recompiled the nvidia kernel module and added (or something of the sort) to the os-registry.c file, U032 NVreg_IgnoreEDID 0x1; MODULE_PARM(NVreg_IgnoreEDID, "i"); I've also tried adding the following to /etc/X11/XFree86-4: Option "FlatPanelScalingMode" "Scaled" But, it still does the same. Any help that can be provided is appreciated.

07-31-02, 10:27 AM	#3
aresashura Guest Posts: n/a	Your Syntax is wrong I just recently came across this problem and here is what you have wrong. option "FlatPanelDisplay" "Scaling=scaled" or what I use option "FlatPanelDisplay""Scaling=local" hope this helps Ryan

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07-31-02, 03:33 AM	#2
Thunderbird Join Date: Jul 2002 Location: Netherlands, Europe Posts: 2,105	I think it depends on the resolution you use on your laptop. A laptop screen is actually made for only one or two resolutions. Other resolutions are not optimal. The image is scaled for example. You can do two things: 1) Use the optimal resolution for your display. No scaling will be used then and the image quality will be optimal. 2) Play with the option "FlatPanelProperties" which is documented in the Readme file of the drivers.

07-31-02, 10:58 AM	#4
Thunderbird Join Date: Jul 2002 Location: Netherlands, Europe Posts: 2,105	The option isn't FlatpanelDisplay. The option specially mentioned in the driver docs is: Option "FlatPanelProperties" "string" Requests particular properties of any connected flat panels as a comma-separated list of property=value pairs. Currently, the only two available properties are 'Scaling' and 'Dithering'. The possible values for 'Scaling' are: 'default' (the driver will use whatever scaling state is current), 'native' (the driver will use the flat panel's scaler, if it has one), 'scaled' (the driver will use the NVIDIA scaler, if possible), 'centered' (the driver will center the image, if possible), and 'aspect-scaled' (the driver will scale with the NVIDIA scaler, but keep the aspect ratio correct). The possible values for 'Dithering' are: 'default' (the driver will decide when to dither), 'enabled' (the driver will always dither when possible), and 'disabled' (the driver will never dither). If any property is not specified, it's value shall be 'default'. An example properties string might look like: "Scaling = centered, Dithering = enabled"