[mythtv-users] 9XXX Nvidia Drivers Ignore My Modeline!

[Paul Bender]

Nicholas Fasano wrote:
> I had a chance to go back and reinstall the 9746
> drivers to see what was going on and here's the
> relevant lines from xorg.0.log:
> 
> (--) NVIDIA(0): Connected display device(s) on GeForce
> FX 5200 at PCI:1:0:0:
> (--) NVIDIA(0):     PIO PDA-5002 (DFP-0)
> (--) NVIDIA(0): PIO PDA-5002 (DFP-0): 135.0 MHz
> maximum pixel clock
> (--) NVIDIA(0): PIO PDA-5002 (DFP-0): Internal Single
> Link TMDS
> (II) NVIDIA(0): Assigned Display Device: DFP-0
> (WW) NVIDIA(0): No valid modes for "Pioneer
> 503/PDA5002 1280x768"; removing.
> (WW) NVIDIA(0): 
> (WW) NVIDIA(0): Unable to validate any modes; falling
> back to the default mode
> (WW) NVIDIA(0):     "nvidia-auto-select".
> (WW) NVIDIA(0): 
> (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 (23, 31); computed from
> "UseEdidDpi" X config
> (--) NVIDIA(0):     option
> (--) Depth 24 pixmap format is 32 bpp
> 
> So it seems that the nvidia drivers are trying to
> validate my modeline and are failing.  This modeline
> has worked for me for years with the older drivers, so
> I thought maybe I could force the drivers to use it by
> putting Option "UseEDID" "false" in the screen section
> of my xorg.conf.  Well, that was even worse, giving me
> a 640x480 resolution and the following in xorg.0.log:
> 
> (--) NVIDIA(0): Connected display device(s) on GeForce
> FX 5200 at PCI:1:0:0:
> (--) NVIDIA(0):     DFP-0
> (--) NVIDIA(0): DFP-0: 135.0 MHz maximum pixel clock
> (--) NVIDIA(0): DFP-0: Internal Single Link TMDS
> (II) NVIDIA(0): Assigned Display Device: DFP-0
> (WW) NVIDIA(0): No valid modes for "Pioneer
> 503/PDA5002 1280x768"; removing.
> (WW) NVIDIA(0): 
> (WW) NVIDIA(0): Unable to validate any modes; falling
> back to the default mode
> (WW) NVIDIA(0):     "nvidia-auto-select".
> (WW) NVIDIA(0): 
> (II) NVIDIA(0): Validated modes:
> (II) NVIDIA(0):     "nvidia-auto-select"
> (II) NVIDIA(0): Virtual screen size determined to be
> 640 x 480
> (WW) NVIDIA(0): Unable to get display device DFP-0's
> EDID; cannot compute DPI
> (WW) NVIDIA(0):     from DFP-0's EDID.
> (==) NVIDIA(0): DPI set to (75, 75); computed from
> built-in default
> (--) Depth 24 pixmap format is 32 bpp
> 
> I didn't have any more ideas, so I dropped back to
> 8776 again for now.  It would be nice to hear from any
> Pioneer 503CMX plasma users who are running 9XXX
> drivers.  Is there a better modeline for my plasma
> that I don't know about?  Does anyone have any other
> suggestions for forcing the drivers to use a known
> working modeline?
> 
> Thanks,
> Nick F

What logverbose level are you using when running X? When I run X with 
logverbose level 6, the NVIDIA driver says exactly why it rejects each 
mode line.