Para openSUSE Tumbleweed ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:BdMdesigN:kernel/openSUSE_Tumbleweed/home:BdMdesigN:kernel.repo
zypper refresh
zypper install kernel-firmware-amdgpu
Para openSUSE Slowroll ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:BdMdesigN:kernel/openSUSE_Slowroll/home:BdMdesigN:kernel.repo
zypper refresh
zypper install kernel-firmware-amdgpu
Para 15.6 ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:BdMdesigN:kernel/15.6/home:BdMdesigN:kernel.repo
zypper refresh
zypper install kernel-firmware-amdgpu