From the logs:

Nov 17 03:24:04 newKvm kernel: [drm:amdgpu_vce_ring_test_ring [amdgpu]] *ERROR*
amdgpu: ring 12 test failed
Nov 17 03:24:04 newKvm kernel: [drm:amdgpu_device_init.cold.14 [amdgpu]]
*ERROR* hw_init of IP block <vce_v2_0> failed -110
Nov 17 03:24:04 newKvm kernel: amdgpu 0000:03:00.0: amdgpu_device_ip_init
failed
Nov 17 03:24:04 newKvm kernel: amdgpu 0000:03:00.0: Fatal error during GPU init

That's not anywhere near close to modeset code, and even further away from the
fbdev stuff changed by the supposed bisect. I suspect in all the skipped
commits the bisect got derailed somewhere. Please double-check whether the
parent of the first bad commit works (and perhaps also double-check the bad
commit again). I recommend compiling with CONFIG_LOCALVERFSION_AUTIO and
checking that you have the right git version with uname -r to make really sure.