[Openchrome-users] Troublshooting NoScale Problems on VT1622A

[Jake Thompson]

Attached is my log from xorg

On 5/9/06, Jake Thompson <jake at jakethompson.com> wrote:
>
>  Hi All,
> So after alot of playing and tweaking, I am still having the "Green Fade"
> issue with my VT1622A.
>
> Running the display in 720x480Noscale causes a green fade on the top of
> the screen and alot of refresh flicker(enough to give me a headache).
>
> If I run in 720x480Over, these problems disappear, however due to the Over
> scaling video playback is no longer smooth and looks bad.  When using
> 720x480BNoscale, playback is smooth, but the refresh causes the flicker and
> the top has the "green".
>
> Thin white lines and other white object you can notice a flicker, also it
> seems to affect all the pixels across the screen, so you can see a
> difference in the screen along the horizontal where the flickering is taking
> place.
>
> The green fade takes about 15-25% of the top of the screen.  I am not to
> sure if it really is green, but when there is a blue background, it is
> noticably there as green, if I use a grey or black, it is not too
> noticiable, but if you look close it is still there.
>
> I have not been able to get a "screen shot" of it, my digital camera is
> broken.
>
> What else can I do to help resolve this problem, I will try out anything
> you think might help.
> I have compiled the latest SVN code and I have also tried the latest
> kelkoo rpm package, both without success.
>
> My System:
> VIA EPIA MII1000
> 1G Memory
> NTSC TV Only connected to S-Video, no other monitor
> Running Fedora Core 5
>
> Here is what I am using for options in xorg.conf
>
> Section "Monitor"
>         Identifier   "MonitorTV"
>         VendorName   ""
>         ModelName    "TV-NTSC"
>         HorizSync    24.0 - 80.0
>         VertRefresh  50.0 - 75.0
>         DisplaySize  400 300
>
>         #Refresh Rate 60Hz
>         ModeLine "720x480" 26.7 720 736 808 896 480 481 484 497
>         ModeLine "720x576" 32.7 720 744 816 912 576 577 580 597
>         ModeLine "848x480" 31.5 848 864 952 1056 480 481 484 497
>         ModeLine "856x480" 31.7 856 872 960 1064 480 481 484 497
>         ModeLine "1024x512" 41.3 1024 1056 1160 1296 512 513 516 531
>         ModeLine "1280x768" 80.1 1280 1344 1480 1680 768 769 772 795
>         ModeLine "1440x1050" 126.2 1440 1536 1688 1936 1050 1051 1054 1087
> EndSection
>
> Section "Device"
>         Identifier  "Videocard0"
>         Driver      "via"
>         VendorName  "Videocard vendor"
>         BoardName   "S3 UniChrome"
>         Option      "PciRetry" "true"
>         Option      "ActiveDevice"  "TV"
>         Option      "TVType"        "NTSC"
>         Option      "TVOutput"      "S-Video"
>         Option      "EnableAGPDMA" "true"
>         Option "XvmcUsesTextures" "false"
> EndSection
>
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         Monitor    "MonitorTV"
>         DefaultDepth     24
>         SubSection "Display"
>                 Depth     24
>                 Modes     "720x480Noscale"
>         EndSubSection
> EndSection
>
> Section "DRI"
>         Group        0
>         Mode         0666
> EndSection
>
> Thanks and let me know what I can do to help, I do not know how to code
> drivers, but I can apply patches and compile anything that is needed.
>
> Jake
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://wiki.openchrome.org/pipermail/openchrome-users/attachments/20060510/19ef89b4/attachment-0001.html
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Xorg.0.log.gz
Type: application/x-gzip
Size: 9563 bytes
Desc: not available
Url : http://wiki.openchrome.org/pipermail/openchrome-users/attachments/20060510/19ef89b4/Xorg.0.log-0001.bin