For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mschreiner/openSUSE_Tumbleweed/home:mschreiner.repo
zypper refresh
zypper install amdgpu_top
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mschreiner/openSUSE_Slowroll/home:mschreiner.repo
zypper refresh
zypper install amdgpu_top
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mschreiner/15.6/home:mschreiner.repo
zypper refresh
zypper install amdgpu_top