Hi all, After merging the amdgpu tree, today's linux-next build (x86_64 allmodconfig) failed like this: ERROR: "dcn20_add_dsc_to_stream_resource" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: "dc_dsc_parse_dsc_dpcd" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: "dc_dsc_get_policy_for_timing" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: "dc_dsc_compute_bandwidth_range" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: "dc_dsc_compute_config" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! I am not sure what caused this. I have used the amdgpu tree from next-20200107 for today. -- Cheers, Stephen Rothwell