https://bugs.freedesktop.org/show_bug.cgi?id=103370 --- Comment #22 from Shih-Yuan Lee --- (In reply to Mike Lothian from comment #19) > You have to blacklist radeon to use amdgpu as both modules try and claim the > device After I blacklist radeon, there is no AMD graphics provider from `xrandr --listproviders`. [ 1.937326] amdgpu 0000:01:00.0: enabling device (0000 -> 0003) [ 1.937633] amdgpu 0000:01:00.0: SI support provided by radeon. [ 1.937635] amdgpu 0000:01:00.0: Use radeon.si_support=0 amdgpu.si_support=1 to override. After I use 'radeon.si_support=0 amdgpu.si_support=1', X window system can not start up. -- You are receiving this mail because: You are the assignee for the bug.