03-19-2020, 06:23 PM
(03-19-2020, 11:02 AM)hunderteins Wrote:(03-19-2020, 08:29 AM)amiraeva Wrote: I compiled Manjaro's (mainline-ish) u-boot for the PBP and added the additional config lines from your rk3399-hdmi branch, naively hoping I could get the USB keyboard and eDP display to work on boot. It compiled but unfortunately neither the keyboard/LCD display work in uboot or grub; GRUB still says "error: no suitable video mode found" when trying to display on tty1.
Do you have any suggestions on how I can go about getting this to work? Thanks!
It's more than just change the config. hdmi-support for rk3399 is a patch from Jagan Teki.
I compiled the hdmi-branch from sigmaris, wrote it to mmc and got a wonderful u-boot-console on hdmi. usb-keyboard was not working, serial did.
So I hit a key to intercept the autoboot. After
=> usb start
the usb-keyboard was working, too.
As sigmaris wrote, usb-init takes time and slows down the boot. So it is not part of autoboot, yet.
After booting the kernel 4.4 I have the same syncing problem with hdmi that I already have with the linux-mainline-kernel. It seems this new hdmi-init in the u-boot-patches and the modern kernels set some frequency or register my monitor doesn't like.
Thanks - I definitely wouldn't have figured that out! I managed to get the PBP keyboard working after playing around with the configs.
After applying the changes from the hdmi-support branch, and playing around with the config I still wasn't able to get the eDP LCD display for the PBP to work. I might just have to wait until someone smarter than me comes along and writes a patch to have it work out of the box.
