Just found this in the log above [ 2.318517] [drm] initializing kernel modesetting (SIENNA_CICHLID 0x1002:0x73BF 0x1EAE:0x6901 0xC0). So seems it's CHIP_SIENNA_CICHLID. So it would be this commit. commit 8da4640a37b84f139a5e0148b4a0243ec1c8f029 Author: Alex Deucher <alexander.deucher@amd.com> Date: Mon Jul 18 14:12:31 2022 -0400 amdgpu: update sienna cichlid to release 22.20 from internal commit: bf6c92c6d66df608a113a20b074b180e370a1b46 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Josh Boyer <jwboyer@kernel.org> I've contacted Alex Deucher directly via email.