===== guest environment (DragonFly QEMU/KVM guest) =====
$ uname -a
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026  root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
$ cc --version | head -1
cc 8.3 [DragonFly] Release/2019-02-22

===== GPU inventory: NO AMD GPU present =====
$ pciconf -lv | grep -A3 vgapci
vgapci0@pci0:0:2:0:  class=0x030000 card=0x11001af4 chip=0x11111234 rev=0x02 hdr=0x00
    class      = display
    subclass   = VGA
  -> virtio-vga (Red Hat 0x1111:1234); amdgpu cannot bind; amdgpu.ko not built
     into this guest (not in sys/conf/files, module tree absent from /boot/modules)

===== kernel source present for verbatim extraction =====
$ ls /usr/src/sys/dev/drm/amd/amdgpu/amdgpu_acpi.c
/usr/src/sys/dev/drm/amd/amdgpu/amdgpu_acpi.c
$ kldstat -v | grep -ci amdgpu -> 0