(In reply to Takashi Iwai from comment #51) > Please test just a simple update of kernel-firmware-amdgpu package from: > > http://download.opensuse.org/repositories/home:/tiwai:/test:/fw-fix/ > openSUSE_Factory/noarch/kernel-firmware-amdgpu-20201005-336.1.noarch.rpm I reverted to broken firmware first by running zypper dup. Then I ran: The following package is going to be upgraded: kernel-firmware-amdgpu The following package is going to change vendor: kernel-firmware-amdgpu openSUSE -> obs://build.opensuse.org/home:tiwai 1 package to upgrade, 1 to change vendor. Overall download size: 7.6 MiB. Already cached: 0 B. No additional space will be used or freed after the operation. Continue? [y/n/v/...? shows all options] (y): Retrieving package kernel-firmware-amdgpu-20201005-336.1.noarch (1/1), 7.6 MiB ( 7.6 MiB unpacked) Boot now works.