Linux kernel amdgpu regression continues for 4.18 and 4.19

I am now up to 4.19.0 rc5 and no joy with booting it.  I use 4.17.19 now EOL and off the chart.  This works but freezes once a day.  So, it looks like both 4.18 and 4.19 will not boot with the most common configuration of amdgpu and monitor.