Re: vt(4) chops off the leftmost three columns

From: Adrian Chadd <adrian.chadd_at_gmail.com>
Date: Sat, 14 Jan 2017 21:08:23 -0800
heh.

As always, patches gratefully accepted. :)



-adrian


On 14 January 2017 at 21:07, Ernie Luzar <luzar722_at_gmail.com> wrote:
>
> You can add these things to the vt to-do list
>
> Change the default font to look like sc.
> Add copy/paste function like sc has.
> Add splash screen support like sc has.
>
>
>
> Adrian Chadd wrote:
>>
>> hi,
>>
>> no, the vt_vga backend doesn't yet do VESA.
>>
>> I keep meaning to sit down and fix this, but life and wifi gets in the
>> way.
>>
>>
>> -adrian
>>
>>
>> On 14 January 2017 at 16:27, Kevin Oberman <rkoberman_at_gmail.com> wrote:
>>>
>>> On Sat, Jan 14, 2017 at 2:11 PM, Adrian Chadd <adrian.chadd_at_gmail.com>
>>> wrote:
>>>>
>>>> It depends(tm). I think the VT code just does "640x480x4bpp" and lets
>>>> the BIOS sort it out. A lot of things don't cope well with 640x480
>>>> these days - they try autodetecting picture edges, but a black border
>>>> makes that very difficult.
>>>>
>>>>
>>>> -adrian
>>>
>>>
>>> Can you use vidcontrol(1) to change to something better? 1600x900, maybe?
>>> (Note, I have not tried this and I know that vt does not support a lot of
>>> vidcontrol functionality, but starting X sets the display to 200x56
>>> characters on my laptop.)
>>> --
>>> Kevin Oberman, Part time kid herder and retired Network Engineer
>>> E-mail: rkoberman_at_gmail.com
>>> PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
>>>
>>>
>>>> On 14 January 2017 at 08:57, Matthias Andree <matthias.andree_at_gmx.de>
>>>> wrote:
>>>>>
>>>>> Am 14.01.2017 um 00:11 schrieb Alan Somers:
>>>>>>
>>>>>> I take it back.  The first three columns _are_ rendered, but they
>>>>>> don't show up on some monitiors.  It's as if those monitors require a
>>>>>> minimum amount of overscan on the left side of the screen, and vt(4)
>>>>>> doesn't provide enough.  Can that be tuned?
>>>>>
>>>>> Once upon a time, I've seen similar things on Linux, but with fewer
>>>>> pixels offset, when switching framebuffer drivers - back then, the
>>>>> scanning-VGA-timing was an issue. Is there any way to tweak the row and
>>>>> column timings, with blank periods, viewport offsets and thereabouts?
>
>
>
Received on Sun Jan 15 2017 - 04:08:27 UTC

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