Comment # 8 on bug 108892 from Sami Farin

Created attachment 144130 [details]
dmesg

4.19.37 has this bug also.

Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Lexa PRO [Radeon RX
550/550X] driver: amdgpu v: kernel 
           Display: server: Fedora Project X.org 1.20.4 driver: amdgpu,ati
unloaded: fbdev,modesetting,vesa 
           resolution: 3840x2160~60Hz 
           OpenGL: renderer: Radeon 550 Series (POLARIS12 DRM 3.27.0 4.19.38+
LLVM 7.0.1) v: 4.5 Mesa 19.0.3