While the DRM feature updates for Linux 4.10 were already sent in and integrate the AMDGPU improvements for the next kernel release, a fixes pull request sent in now gives more hope for GCN 1.0 “Southern Islands” users wanting to run AMDGPU…

Source: Phoronix – GCN 1.0 Southern Islands Seeing AMDGPU Improvements With Linux 4.10