Question: Setting display dimensions

[Michael Schuster]

Hi,

I think it'd help if you let us know whether you're talking about console
mode or X-Window ...
(and no, I have no idea off hand what to do in either case ... but perhaps
someone who does will be more willing to jump in when more information is
provided)

regards
Michael

On Tue, Sep 24, 2019 at 10:45 AM Jukka Ukkonen <jau789 at gmail.com> wrote:

>
> Hello all,
>
> Recently I bought a small HDMI connected 1024x600 pixels TFT
> display. It seems that 11-stable does not find the correct dimensions
> automatically. The kernel apparently assumes the display to be far
> larger than it actually is and a lot of text simply disappears below
> the lower edge of the screen. So, I assumed there might be some
> method to tell the kernel the default dimensions to use when it fails
> to confirm the actual values from the display device itself.
>
> Now I would like to check whether I am interpreting things correctly.
> Apparently there is kernel MIB variable for this purpose on 12.x series
> (kern.vt.fb.default_mode) but not on 11.x. If this is true, I would like to
> understand why is the feature not available on 11-stable as well?
> Have I understood the meaning of the default_mode variable correctly
> for 12.x and will it work properly for a 1024x600 display?
>
> Moving over to 12-stable will not be a big issue on a new system, if
> that is necessary, but I would like to avoid taking the effort of upgrade
> unless I can be relatively sure it will solve my problem.
>
> --jau
>
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-- 
Michael Schuster
http://recursiveramblings.wordpress.com/
recursion, n: see 'recursion'