When trying an early 4.17-rc0 RPM from Fedora, I get: [ 2.794243] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:1! type 0 expected 3 We've had issues with connector types on this laptop before and found some workarounds, looks like those got lost with the DC code. my boot options: radeon.cik_support=0 amdgpu.cik_support=1 drm_kms_helper.poll=0 amdgpu.dc=1 What information would you like me to provide? Thanks, Shawn.