[mythtv-users] TVOverScan not working?

[Harry Orenstein]

On Friday 27 June 2008 09:58:13 pm allen edwards wrote:
> My prototype worked with 'Option "TVOverScan"   "0.5"'  in the Device
> section of xorg.conf.  My new hardware is unaffected by any value of
> TVOverScan, even 1.0.  (TV CRT with SVIDEO input)
>
> I probably have a little different driver configuration than most in
> that I have nvidia drivers disabled in the hardware driver section but
> they are being loaded by xorg.conf.  I don't really understand this, I
> just know that they are loaded by xorg and that the computer will not
> boot if I enable them in the nvidia control window.  I think there is a
> conflict between the nvidia driver and the air2pc cards.
>
> TVOverScan should work.  I have seen it work, just not with this
> hardware.  I don't know what to do.  This is the last problem in the
> system that I know of.  Everything else is working.  I need to get the
> picture screen filled by the output.
>
> Note, this is not actually a Myth thing as the normal X-windows doesn't
> fill the CRT but I though there might be some helpful folks on this list.
>
> Allen
>
>
> Here is some of my xorg.conf:
>
>     Section "ServerLayout"
>         Identifier     "Layout0"
>         Screen      0  "Screen0" 0 0
>         Screen      1  "Screen1" RightOf "Screen0"
>         InputDevice    "Keyboard0" "CoreKeyboard"
>         InputDevice    "Mouse0" "CorePointer"
>     EndSection
>
>     ---snip some stuff-----
>
>     Section "Monitor"
>         # HorizSync source: edid, VertRefresh source: edid
>         Identifier     "Monitor0"
>         VendorName     "Unknown"
>         ModelName      "Panasonic AX-100"
>         HorizSync       28.0 - 49.0
>         VertRefresh     24.0 - 61.0
>         Option         "DPMS"
>     EndSection
>
>     Section "Monitor"
>         # HorizSync source: xconfig, VertRefresh source: xconfig
>         Identifier     "Monitor1"
>         VendorName     "Unknown"
>         ModelName      "TV-0"
>         HorizSync       28.0 - 49.0
>         VertRefresh     24.0 - 61.0
>         Option         "DPMS"
>         Option         "TVOverScan"   "1.0"
>     EndSection
>
>     Section "Device"
>         Identifier     "Videocard0"
>         Driver         "nvidia"
>         VendorName     "NVIDIA Corporation"
>         BoardName      "GeForce 6200 LE"
>         BusID          "PCI:1:0:0"
>         Option         "UseDisplayDevice" "DFP"
>         Screen          0
>     EndSection
>
>     Section "Device"
>         Identifier     "Videocard1"
>         Driver         "nvidia"
>         VendorName     "NVIDIA Corporation"
>         BoardName      "GeForce 6200 LE"
>         BusID          "PCI:1:0:0"
>         Option         "UseDisplayDevice" "TV-0"
>         Screen          1
>     EndSection
>
>     Section "Screen"
>         Identifier     "Screen0"
>         Device         "Videocard0"
>         Monitor        "Monitor0"
>         DefaultDepth    24
>         Option         "TwinView" "0"
>         Option         "metamodes" "DFP: 1280x720_60 +0+0"
>         SubSection     "Display"
>             Depth       24
>         EndSubSection
>     EndSection
>
>     Section "Screen"
>         Identifier     "Screen1"
>         Device         "Videocard1"
>         Monitor        "Monitor1"
>         DefaultDepth    24
>         Option         "TwinView" "0"
>         Option         "metamodes" "TV: nvidia-auto-select +0+0"
>         SubSection     "Display"
>             Depth       24
>         EndSubSection
>     EndSection
>
> Here is some of the x log:
>
>     (II) NVIDIA(0): Validated modes:
>     (II) NVIDIA(0):     "nvidia-auto-select"
>     (II) NVIDIA(0): Virtual screen size determined to be 1024 x 768
>     (++) NVIDIA(0): DPI set to (100, 100); computed from -dpi X
>     commandline option
>     (==) NVIDIA(0): Enabling 32-bit ARGB GLX visuals.
>     (**) NVIDIA(1): Depth 24, (--) framebuffer bpp 32
>     (==) NVIDIA(1): RGB weight 888
>     (==) NVIDIA(1): Default visual is TrueColor
>     (==) NVIDIA(1): Using gamma correction (1.0, 1.0, 1.0)
>     (**) NVIDIA(1): Option "TwinView" "0"
>     (**) NVIDIA(1): Option "MetaModes" "TV: nvidia-auto-select +0+0"
>     (**) NVIDIA(1): Option "TVOverScan" "1.0"
>     (**) NVIDIA(1): Option "UseDisplayDevice" "TV-0"
>     (**) NVIDIA(1): Enabling RENDER acceleration
>     (II) NVIDIA(1): NVIDIA GPU GeForce 6200 LE (NV44) at PCI:1:0:0 (GPU-0)
>     (--) NVIDIA(1): Memory: 524288 kBytes
>     (--) NVIDIA(1): VideoBIOS: 05.44.02.67.01
>     (II) NVIDIA(1): Detected PCI Express Link width: 16X
>     (--) NVIDIA(1): Interlaced video modes are supported on this GPU
>     (--) NVIDIA(1): Connected display device(s) on GeForce 6200 LE at
>     PCI:1:0:0:
>     (--) NVIDIA(1):     NVIDIA TV Encoder (TV-0)
>     (--) NVIDIA(1): NVIDIA TV Encoder (TV-0): 400.0 MHz maximum pixel clock
>     (--) NVIDIA(1): TV encoder: NVIDIA
>     (II) NVIDIA(1): Assigned Display Device: TV-0
>     (II) NVIDIA(1): Validated modes:
>     (II) NVIDIA(1):     "TV:nvidia-auto-select+0+0"
>     (II) NVIDIA(1): Virtual screen size determined to be 1024 x 768
>     (++) NVIDIA(1): DPI set to (100, 100); computed from -dpi X
>     commandline option
>     (==) NVIDIA(1): Enabling 32-bit ARGB GLX visuals.
>     (--) Depth 24 pixmap format is 32 bpp

use the slider in nvidia-settings.  TVOverScan is deprecated.


-- Harry O.