[Openchrome-users] Trying to use 1280x800: no mode of this name

[John Robinson]

On 24/01/2007 06:56, Roger Dover wrote:
> I have a Fujitsu-Siemens Amilo Pro V2055 laptop, with a Via Unichome
> VN800 chipset and a widescreen 1280x800 display.
> 
> I have compiled the openchrome driver, and it successfully detects my
> chipset and works fine on 1280x768 resolution.
> 
> I have put a modeline in xorg.conf for 1280x800, but the mode seems to be rejected for some reason.
> 
> xorg.conf looks like this:
> -----------------------------------------------------------------------
> Section "Monitor"
>         Identifier      "Generic Monitor"
>         Option          "DPMS"
>         # 1280x800 @ 60.00 Hz (GTF) hsync: 49.68 kHz; pclk: 83.46 MHz
>         Modeline "1280x800_60.00"  83.46  1280 1344 1480 1680  800 801 804 828
> -HSync +Vsync
> 
> EndSection
> 
> Section "Screen"
>         Identifier      "Default Screen"
>         Device          "Generic Video Card"
>         Monitor         "Generic Monitor"
>         DefaultDepth    24
>         SubSection "Display"
>                 Depth           24
>                 Modes           "1280x800_60.00"
>         EndSubSection
> EndSection
> ----------------------------------------------------------------------
> 
> This is what is in Xorg.0.log:
> --------------------------------------------------------------------------
> (II) VIA(0): Generic Monitor: Using default hsync range of 31.50-37.90 kHz
> (II) VIA(0): Generic Monitor: Using default vrefresh range of 50.00-70.00 Hz
> (II) VIA(0): Not using mode "1280x800_60.00" (no mode of this name)
> (II) VIA(0): Attempting to use 60Hz refresh for mode "800x600" (115)
> (II) VIA(0): Attempting to use 60Hz refresh for mode "640x480" (112)
> (--) VIA(0): Virtual size is 1600x1200 (pitch 1600)
> (**) VIA(0):  Built-in mode "1600x1200"
> (**) VIA(0):  Built-in mode "1400x1050"
> (**) VIA(0):  Built-in mode "1280x1024"
> (**) VIA(0):  Built-in mode "1280x800"
> (**) VIA(0):  Built-in mode "1280x768"
> (**) VIA(0):  Built-in mode "1024x768"
> (**) VIA(0):  Built-in mode "800x600": 0.0 MHz, 37879.3 kHz, 60.8 Hz
> (II) VIA(0): Modeline "800x600"    0.00  800 0 0 0  600 0 0 0
> (**) VIA(0):  Built-in mode "640x480": 0.0 MHz, 31500.5 kHz, 60.5 Hz
> (II) VIA(0): Modeline "640x480"    0.00  640 0 0 0  480 0 0 0
> (++) VIA(0): DPI set to (100, 100)
> -------------------------------------------------------------------------
> 
> Any ideas what went wrong here ?

Have a look a bit further up the log for 1280x800_60.00 and if there 
isn't a previous mention, you need more logging (with `X --logverbose` I 
think); there must be some reason.

Cheers,

John.