kernel module that supports usb-c hdmi
#11
Hi again,

I can also confirm that the behavior of this hdmi output depends also on the version of uboot. I have been playing around with at least two of them. With one of them everything works (with this old 5.7 kernel), with the other one, it worked pretty badly and even ending with this blinking green and red light.

Hope that could help…
alex
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#12
(01-17-2021, 04:04 AM)alexandre Wrote: With one of them everything works (with this old 5.7 kernel), with the other one, it worked pretty badly and even ending with this blinking green and red light.

Hi Alexandre

I also played around with USB-C video yesterday and found out that the Manjaro KDE Plasma Image is already on Kernel 5.10 (XFCE is still on 5.7).

I tried to get an USB-C dock with two external Screens working, but had no luck - the external screens are just mirrored (same behaviour as before, and same as with Manjaro XFCE and postmarketOS).

Maybe you want to give it a try as well - maybe your problem was fixed.
  Reply
#13
(01-26-2021, 01:55 AM)ludix Wrote:
(01-17-2021, 04:04 AM)alexandre Wrote: With one of them everything works (with this old 5.7 kernel), with the other one, it worked pretty badly and even ending with this blinking green and red light.

Hi Alexandre

I also played around with USB-C video yesterday and found out that the Manjaro KDE Plasma Image is already on Kernel 5.10 (XFCE is still on 5.7).

I tried to get an USB-C dock with two external Screens working, but had no luck - the external screens are just mirrored (same behaviour as before, and same as with Manjaro XFCE and postmarketOS).

Maybe you want to give it a try as well - maybe your problem was fixed.
Thanks for the state of the art in manjaro. I was planning to give it a try (i think i can just download their kernel package and pacman -U it…) but i wont if it doesn't work. That pretty strange that this old kernel of mine succeed in managing the two screens very smoothly ! I wish these guys were still maintaining their kernel…
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#14
I switched to <a herf="https://github.com/SvenKiljan/archlinuxarm-pbp">SvenKiljan</a> arch repo a year ago i would say. It uses the manjaro kernel and makes my usb-c hub work great (hdmi, ethernet, usb and so on…)… untill linux5.18 appears Sad With these kernel (18.0 to 18.5 i'd say) hdmi doesnt work anymore. If i downgrad to the latest 5.17 manjaro kernel, it works again.

I dont know where and what could i report in order to understand what happens…

Thanks for any advise.
alex
  Reply


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