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List: freedesktop-xorg
Subject: Re: Video 62 shade of grey, 3x 6bits: 18bits
From: "Chris Sorenson" <csoren () cpinternet ! com>
Date: 2021-10-13 23:01:17
Message-ID: 1634166077.fmipd2aqgc4ccgw0 () webmail ! mycci ! net
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>
> Message: 1
> Date: Wed, 13 Oct 2021 09:32:20 +0200
> From: F?lix Hauri
> To: xorg@lists.x.org
> Subject: Video 62 shade of grey, 3x 6bits: 18bits
> Message-ID:
> Content-Type: text/plain; charset=utf-8
>
> Dears,
>
> Working on an industrial PC, I've restaured a strange 18bits LCD display
> G121XN01 V.0 (without touch panel.)
>
> https://www.panelook.com/G121XN01%20V0_AUO_12.1_LCM_parameter_831.html
>
> They are able to display 262K colors ( 6-bit Red, 6-bit Green, 6-bit Blue )
>
> I've found an DVI+VGA driver for this screen, trying to make them working
> on a raspberry-pi, unfortunely, I don't know how to start Xorg with this
> kind of 18bit depth mode.
>
> In the worst case, I could imagine creating a modified 256 color map, based
> on standard 8bit web color map, but if I found a way of using 262K ``real''
> colors, this will be better!
>
> Regards!
>
> --
> Felix Hauri - - http://www.f-hauri.ch
>
Wouldn't this be as simple as setting DefaultDepth 18 in xinitrc? Best way to do this \
is copy the system xinitrc (or whatever it's a symbolic link to) to ~/.xinitrc and do \
any experimenting from there.
If that doesn't work, for whatever reason X might need multiples of 8 bits, I don't \
actually know, but DefaultDepth 16 should work
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