[mythtv-users] OT - aspect ratio and non-square pixel display

[Jeremy Jones]

On May 21, 2013 11:10 PM, "Jeremy Jones" <jeremy.dwain.jones at gmail.com>
wrote:
>
>
> On May 21, 2013 1:49 PM, "Roger Siddons" <dizygotheca at ntlworld.com> wrote:
> >
> > On Tue, 21 May 2013 18:20:37 +0100, Jeremy Jones <
jeremy.dwain.jones at gmail.com> wrote:
> >
> >>
> >> On May 21, 2013 10:09 AM, "Michael T. Dean" <mtdean at thirdcontact.com>
wrote:
> >> >
> >> > On 05/21/2013 10:55 AM, Jeremy Jones wrote:
> >> >>
> >> >>
> >> >> I tried adding the lines above to xorg.conf and it did not help.
 After some googling and some searching of the files in my system (reading
startup scripts, etc) I think that xrandr may be the culprit.  It seems to
be forcing square DPI.  I found a setting  using xrandr from terminal that
will change this and all works well until reboot.  Adding the command to a
script and running it at logon, does not seem to work however.  I think it
has to do with the timing of the scripts that are running.
> >> >>
> >> >> Since I have a fix that works for the current session, and since
reboots are very infrequent (mythfrontend only box), I just added the
xrandr command to the mythfrontend startup script. Then when there is a
reboot and my wife/kids press the button on the remote to start
mythfronted, the xrandr command runs first.
> >> >>
> >> >> I know this is an ugly solution, but it works for me and this TV
will probably not last that much longer anyway.  Thanks to those that
helped.
> >> >
> >> >
> >> > I still think you should check your X start scripts and I'll bet one
or more of them has a hard-coded -dpi 100 on it.  It's very common for
distros to add that (brokenness).
> >> >
> >> > Mike
> >> >
> >>
> >> I totally agree, but I did not find anything during my search, and
there is only so much time I'm willing to invest.
> >>
> >> Also I didn't get a response from any of the mythbuntu team.  Knowing
a little more about  where to look might make me try again.
> >>
> >> Thanks for the help.
> >>
> >> Jeremy
> >
> > I haven't really been following this thread but my mythbuntu machine
does set the dpi in /etc/lightdm/mythbuntu-lightdm-gtk-greeter.conf
> > I don't know if that helps you...
> >
> It did help indeed! I thought I had checked that file but I did not see
the line setting the doing

Oops....phone's autocorrect got me again.

doing -> DPI

to 96.  Taking that out allowed me to use the displaysize setting in
xorg.conf and all works as it should.
>
> Thank you Roger!
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