[mythtv-users] OT - How to find what is overriding my DPI setting

[Saul A. Peebsen]

On Fri, 17 Jan 2014 21:21:44 -0600
Jeremy Jones <jeremy.dwain.jones at gmail.com> wrote:

> On Jan 14, 2014 9:41 AM, "Joe Henley" <joehenley at kc.rr.com> wrote:
> >
> > Maybe:  ps ax | grep X
> 
> Well, I have finally determined that the DPI is not being over ridden
> by a startup script or config file. It is the nvidia driver somehow.
> It wont let me use non square dpi when using the edid. It appears to
> ignore the option "useEdidDpi" "False". If I set the option "useEdid"
> "False". It scales the pixels right but I lose the resolution I want.
> It sets the resolution to 800x600 and I cant set it to the native
> panel resolution of 1024x768.
> 
> Anyone with some pointers.

You are correct, nVidia blob ignores some established Xorg options, but it all is documented.
Not sure if every distro has it in same place, but mine has nVidia
driver options in /usr/share/doc/nvidia-drivers-<version>/*
Well worth reading. 

-- 
Cheers, Saul