>From there, I wonder if I could run Xorg with some parameter or even use ICC
color correction mechanism. Making server map color levels from 0-255 to 0-63.
I'v tried to play with xrandr, but this have absolute no effect...
xrandr --output HDMI-1 --gamma .1:.1:.1
xrandr --output HDMI-1 --brigh
Dears,
Thanks for your suggestion, sorry for this late answer...
Yes, 16 (5+6+5)bits instead of 18 (6+6+6)bits seem acceptable!
Unfortunately, this don't work: I think I have an Endianness problem.
For who's interested, I've posted some photos of resulted screen here:
DefaultDepth 16
Rasp
Dears,
Thanks for your suggestion, sorry for this late answer...
Yes, 16 (5+6+5)bits instead of 18 (6+6+6)bits seem acceptable!
Unfortunately, this don't work: I think I have an Endianness problem.
For who's interested, I've posted some photos of resulted screen here:
https://f-hauri.ch/vra
>
> 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
> G1
