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

[Karl Newman]

On Sat, Jan 18, 2014 at 5:40 AM, Jeremy Jones
<jeremy.dwain.jones at gmail.com>wrote:

>
> On Jan 17, 2014 9:51 PM, "Saul A. Peebsen" <jaglover at gmail.com> wrote:
> >
> > 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
>
> Just in case this thread turns up in a future search.  The useEdidDpi
> false is not supposed to be ignored.  FWIW I dont think it is ignoring it.
> I think the nvidia driver is just choosing to use the display size from the
> edid to calculate the dpi instead of using what I specified in the
> xorg.conf file. Telling it to ignore all edid seems to fix the dpi issue,
> but if I do that I don't know how to set the display resolution. Ive tried
> adding modlines but did not succeed.
>
> I've decided its not worth more time foolong with it. The tv probably
> won't last much longer anyway.
>
> Thanks,
>
> Jeremy
>
You might be able to set the resolution using xrandr in your .xinitrc
script.

Karl
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