[mythtv-users] Ahh - Evil xorg and modelines

Rage321 rage321 at optonline.net
Tue Jun 19 19:36:50 UTC 2007


It's a great rush when something you've fighting with for days/weeks suddenly 
works.  I wish they sold it in bottles!  Congrats bro.

----- Original Message -----
From: Damian Surr <damian at gingermagic.co.uk>
To: Discussion about mythtv <mythtv-users at mythtv.org>
Date: Mon, 18 Jun 2007 23:13:49 +0100
Subject: Re: [mythtv-users] Ahh - Evil xorg and modelines

> Steve Smith wrote:
> > Damian,
> > 
> > Interesting:
> > 
> > 1) It first accepts our 1024x768 @ 60hz
> >       
> > 
> > (II) NVIDIA(0):   Validating Mode "1024x768":
> > (II) NVIDIA(0):     1024 x 768 @ 60 Hz
> > (II) NVIDIA(0):     For use as DFP backend.
> > 
> > 
> > (II) NVIDIA(0):     Mode Source: EDID
> > (II) NVIDIA(0):       Pixel Clock      : 65.00 MHz
> > (II) NVIDIA(0):       HRes, HSyncStart : 1024, 1048
> > (II) NVIDIA(0):       HSyncEnd, HTotal : 1184, 1344
> > (II) NVIDIA(0):       VRes, VSyncStart :  768,  771
> > 
> > 
> > (II) NVIDIA(0):       VSyncEnd, VTotal :  777,  806
> > (II) NVIDIA(0):       H/V Polarity     : -/-
> > (II) NVIDIA(0):     Mode is valid.
> > 
> > 
> > 
> > 2) Then later on it rejects it based on the "Native resolution":
> > 
> > (II) NVIDIA(0):   Validating Mode "1024x768":
> > (II) NVIDIA(0):     1024 x 768 @ 60 Hz
> > (II) NVIDIA(0):     Mode Source: EDID
> > (II) NVIDIA(0):       Pixel Clock      : 65.00 MHz
> > (II) NVIDIA(0):       HRes, HSyncStart : 1024, 1048
> > 
> > 
> > (II) NVIDIA(0):       HSyncEnd, HTotal : 1184, 1344
> > (II) NVIDIA(0):       VRes, VSyncStart :  768,  771
> > (II) NVIDIA(0):       VSyncEnd, VTotal :  777,  806
> > (II) NVIDIA(0):       H/V Polarity     : -/-
> > 
> > (WW) NVIDIA(0):     Mode is rejected: Mode (1024 x 768) is too large for 
> DFP
> > 
> > (WW) NVIDIA(0):     Native Resolution (Max: 800 x 600).
> > 
> > 
> > II) NVIDIA(0):   Validating Mode "1024x768":
> > (II) NVIDIA(0):     1024 x 768 @ 60 Hz
> > 
> > (II) NVIDIA(0):     Mode Source: X Server
> > (II) NVIDIA(0):       Pixel Clock      : 
> > 65.00 MHz
> > (II) NVIDIA(0):       HRes, HSyncStart : 1024, 1048
> > (II) NVIDIA(0):       HSyncEnd, HTotal : 1184, 1344
> > (II) NVIDIA(0):       VRes, VSyncStart :  768,  771
> > 
> > (II) NVIDIA(0):       VSyncEnd, VTotal :  777,  806
> > 
> > (II) NVIDIA(0):       H/V Polarity     : -/-
> > (WW) NVIDIA(0):     Mode is rejected: Mode (1024 x 768) is too large for 
> DFP
> > (WW) NVIDIA(0):     Native Resolution (Max: 800 x 600).
> > 
> > 
> > So what we need to do first of all is convince it to either a) Ignore 
> > the native resolution OR b) that the native resolution is bigger...
> > 
> > (Here's someone else with the same problem: 
> > http://www.linuxquestions.org/questions/showthread.php?t=560726 
> > <http://www.linuxquestions.org/questions/showthread.php?t=560726> )
> > 
> > Option a)
> > We try:
> >     Option "ModeValidation" "NoDFPNativeResolutionCheck"
> > 
> > In the Device and Monitor sections (for good measure ;-).
> > Now retry...
> > 
> > (Remember we're going for 1024 x 768 at 60hz at this point...walk before 
> > we run.)
> 
> YES!!!!!!!!!!!!
> 
> I'm so happy! I'd really started to think that my projector was broken 
> and I live in too remote an area to easily test it, but you solved the 
> problem Steve! The
> Option "ModeValidation" "NoDFPNativeResolutionCheck"
> worked like a charm and I got 1024x768 coming up beautifully!
> I'm off to play with a few different possibilities not to see what 
> resolution works best. Thank you so much Steve and everyone else who 
> helped out on this thread!!
> 
> One happy Linux newbie who's leaning fast and has lots of respect for 
> you gurus!
> 
> Cheers
> Damian
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> 
> 



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