Do you have a 4K display that requires DP 1.2 MST? I tried the latest proprietary amdgpu-pro drivers also. I even bought the RX 560 because some other Linux u

Do you have a 4K display that requires DP 1.2 MST? I tried the latest proprietary amdgpu-pro drivers also. I even bought the RX 560 because some other Linux users assured me the AMD Linux drivers were excellent. My post here is to help other people so they can make a more informed choice in the future.