Odroid C2 and weird monitor

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Odroid C2 and weird monitor

Postby erich » Fri Nov 26, 2021 2:23 am

Hi,
I've got an Odroid C2 with a weird display that I'm trying to get working on mainline.
https://www.waveshare.com/wiki/11.9inch_HDMI_LCD
If I do a base install the display comes up (with a magenta background so there's a YUV issue) so I know it works.
If I upgrade to the mainline kernel the display stops working. I can't find any docs on setting the modeline for non-X sessions.
In the stock Odroid kernel there's a boot.ini you can muck with, is there something like that for the mainline kernel?
Thanks.
erich
 
Posts: 6
Joined: Sun Jul 26, 2020 4:01 am

Re: Odroid C2 and weird monitor

Postby erich » Sat Nov 27, 2021 7:08 am

SOLVED.
The AmLogic (meson) drm does not currently support YUV and that's the only data format the display takes over HDMI.
erich
 
Posts: 6
Joined: Sun Jul 26, 2020 4:01 am


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