Video adjustment on TVout

[Simen Thoresen]

Simen Thoresen wrote:
> Hi all,

Sorry to reply to my own posting. Could anybody give me a pointer on how to 
look into this?

Still hopeful .-),
-S

> I'm having a problem affecting any changes to the X display on 
> TV-machine (CentOS4 i386 build of X.org, v 6.8.2). I've got an Nvidia 
> 6200 card, and am using the X.org NV driver. Everything /works/ 
> perfectly, and I have not had to adjust anything to get the display on 
> the TV (connected over SVIDEO cable).
> 
> Xorg.0.log says
> 
> (II) NV(0): I2C device "DDC:ddc2" removed.
> (II) NV(0):   ... none found
> (--) NV(0): CRTC 0 is currently programmed for TV
> (II) NV(0): Using TV on CRTC 0
> (--) NV(0): VideoRAM: 131072 kBytes
> (==) NV(0): Using gamma correction (1.0, 1.0, 1.0)
> (II) NV(0): Monitor0: Using hsync range of 28.00-33.00 kHz
> (II) NV(0): Monitor0: Using vrefresh range of 43.00-72.00 Hz
> (II) NV(0): Clock range:  12.00 to 400.00 MHz
> (II) NV(0): Not using default mode "640x350" (hsync out of range)
> (...)
> (II) NV(0): Not using default mode "1024x768" (bad mode 
> clock/interlace/doublescan)
> (--) NV(0): Virtual size is 640x480 (pitch 640)
> (**) NV(0): *Default mode "640x480": 25.2 MHz, 31.5 kHz, 60.0 Hz
> (II) NV(0): Modeline "640x480"   25.20  640 656 752 800  480 490 492 525 
> -hsync -vsync
> (==) NV(0): DPI set to (75, 75)
> (II) Loading sub module "fb"
> 
> 
> I would prefer the full PAL resolution if possible, but trying to enter 
> what I thought would be the proper modeline (found on the web)
> 
> Modeline "736x575i" 14.16 736 760 824 904 575 580 585 625 interlace 
> -hsync -vsync
> 
>  just gave me
> (II) NV(0): Not using mode "736x575i" (bad mode clock/interlace/doublescan)
> and
> (II) NV(0): Not using mode "736x575i" (no mode of this name)
> 
> More annoying than the missing resolution, is the fact that the image is 
> smaller than the screen - not 736x575 less 640x480 smaller, but about a 
> 20 pixel-wide black border around the border of the picture smaller. I'm 
> assuming this is set up by the BIOS on the graphics card, as this exact 
> same image is available from before X starts (even in the BIOS screens).
> 
> I've tried to prod this with xvidtune , but even the extreme settings do 
> not change anything. There is a visible flicker with each change, but 
> nothing more.
> 
> So - my questions? How do I adjust the display controls from their BIOS 
> defaults for the TVout port?
> and
> What would sensible modeline settings for my TV be?
> 
> All replies appreciated .-)
> 
> Yours,
> -S
> -- 
> Simen Thoresen, Dolphin ICS
> 

-- 
Simen Thoresen, Dolphin ICS