[mythtv-users] nVidia driver 304.88: problems

[HP-mini]

On Mon, 2013-04-15 at 19:16 -0500, Saul A. Peebsen wrote:
> On Tue, 16 Apr 2013 11:42:30 +1200
> HP-mini <blm-ubunet at slingshot.co.nz> wrote:
> 
> > On Mon, 2013-04-15 at 16:16 -0500, Saul A. Peebsen wrote:
> > > On Tue, 16 Apr 2013 09:01:35 +1200
> > > HP-mini <blm-ubunet at slingshot.co.nz> wrote:
> > > 
> > > > > http://polypux.org/projects/read-edid/
> > > > > 
> > 
> > > 
> > > Worked for me ... running Gentoo 64-bit. 
> > > 
> > Is that with the nVidia proprietary driver running ?
> > I had read that that driver did not expose the I2C bus (DDC on
> > VGA/DVI)
> 
> Don't remember really. It is possible I did it from CLI with nVidia
> module not loaded. I added 
>     Option      "CustomEDID" "DFP-1:/etc/X11/Dell_edid.bin"
> to my Xorg conf and it solved my problem.
> My problem was I have a DVI to DVI+HDMI splitter in that particular
> output and Xorg got confused.
> But there really shouldn't be any problems pulling the EDID, you could
> boot up with SysRescueCD or GRML or whatever is your favorite USB-stick
> distro and get it. You could even hook up that monitor to some other
> box and get the EDID out.
> 
You can just use nvidia-settings to extract EDID.
It is also dumped in the /var/log/Xorg.0.log if you use "ModeDebug"
keyword options.

But both these require:
- EDID interface working
- target display has DDC/I2C EDID eeprom etc.

I use a custom modelines...any extracted EDID is only a curiosity.