> Andrei POPESCU composed on 2021-01-04 21:45 (UTC+0200): >> An initramfs rebuild is still needed, maybe that's the reason. On 1/4/21 9:06 PM, Felix Miata wrote: > This is why I suggested to test first via radeon.modeset=0. Blacklist means > don't > load the radeon kernel module, which is what radeon.modeset=0 causes.
I tried radeon.modeset and also did initramfs rebuilds, neither helped though. But I went on and installed Arch Linux as I commonly use it on my other machines, and after some fiddling with the Apple UEFI, the system worked out of the box by installing mesa and the ati drivers :) Thanks for your help!