Re: [solved] intel atom D525MW w/i915 onboard gfx vs 16x9 monitor
On Saturday 18 July 2015 08:43:52 Nicolas George wrote:
> Le decadi 30 messidor, an CCXXIII, Dan Ritter a écrit :
> > > Does anyone know how to get a square pixel on this gfx set?
> >
> > Sounds like you need to set DisplaySize in the Monitor section
> > of your Xorg.conf.
>
> Certainly not.
>
> The DisplaySize option is informative: its value is available for
> applications that want to display something at a specific physical
> size. There are not many applications that do that.
>
> Setting it will not change the shape of circles in most applications.
> It will definitely not make the pixels square.
>
> To actually fix the problem, instead of following random suggestions
> given in the dark, Gene would need to help himself a bit more,
> starting by looking up the native resolution of his screen, then
> querying the actual resolution used by X11 (xdpyinfo) and checking
> which driver was selected by X.org (/var/log/Xorg.0.log).
>
> Regards,
Unforch, xdpyinfo reports on the screen in use, so when I am logged into
that machine with an ssh -Y session, I get the output from display 10:0,
this one. Lesson learned? Go check on that machine.
The Xorg.0.log does say its using the open source intel i915 driver.
So I go out to it, xdpyinfo says its running 1024x768, but
settings/display shows a laptop defaulted at that, and also shows the
AOC monitor, giving a top resolution of 13##x768. So I select it,
screen goes blank for about a second, and come back EXACTLY filling the
screen. The last time I tried that, linuxcnc was running so I could see
the effect on a circle, and it set the display area nominally 2" wider
than the screen, and the circle wasn't fixed.
This time it wasn't running, so I click keep, then ran linuxcnc and
loaded the circle. Perfect! Nother lesson learned. You cannot
completely reconfigure the screen when an application is using it, even
if no motion is taking place and the image is static. Its still being
redrawn altho I have no clue why. Or a lock is held. Which,
damnedifiknow.
Probably pure serendipity, but thank you Nicholes for making me go play
some more. If it holds on a reboot, I will be a very happy camper. ;-)
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
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