dmesg | grep amd

[    0.000000] Linux version 5.3.0-28-generic (buildd@lcy01-amd64-009) (gcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1)) #30~18.04.1-Ubuntu SMP Fri Jan 17 06:14:09 UTC 2020 (Ubuntu 5.3.0-28.30~18.04.1-generic 5.3.13)
[    4.566515] [drm] amdgpu kernel modesetting enabled.
[    4.567114] amdgpu 0000:40:00.0: remove_conflicting_pci_framebuffers: bar 0: 0x6000000000 -> 0x600fffffff
[    4.567116] amdgpu 0000:40:00.0: remove_conflicting_pci_framebuffers: bar 2: 0x6010000000 -> 0x60101fffff
[    4.567117] amdgpu 0000:40:00.0: remove_conflicting_pci_framebuffers: bar 5: 0x70000000 -> 0x7007ffff
[    4.567133] amdgpu 0000:40:00.0: enabling device (0000 -> 0003)
[    4.570483] [drm:amdgpu_discovery_init [amdgpu]] *ERROR* invalid ip discovery binary signature
[    4.570486] amdgpu 0000:40:00.0: amdgpu_discovery_init failed
[    4.570488] amdgpu 0000:40:00.0: Fatal error during GPU init
[    4.570489] [drm] amdgpu: finishing device.
[    4.570512] Modules linked in: amdgpu(+) amd_iommu_v2 gpu_sched ttm snd_hrtimer aufs overlay bnep hid_multitouch hid_generic binfmt_misc nls_iso8859_1 uvcvideo btusb videobuf2_vmalloc btrtl btbcm videobuf2_memops videobuf2_v4l2 btintel videobuf2_common bluetooth videodev mc ecdh_generic ecc sof_pci_dev snd_sof_intel_hda_common snd_sof_intel_hda snd_hda_codec_hdmi snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_soc_skl snd_soc_hdac_hda x86_pkg_temp_thermal intel_powerclamp snd_hda_ext_core coretemp snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match kvm_intel mei_hdcp kvm snd_hda_codec_realtek dell_laptop irqbypass snd_hda_codec_generic intel_rapl_msr snd_soc_acpi ledtrig_audio snd_soc_core crct10dif_pclmul snd_compress ac97_bus snd_pcm_dmaengine crc32_pclmul snd_hda_intel snd_hda_codec ghash_clmulni_intel snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi aesni_intel iwlmvm aes_x86_64 cdc_ether crypto_simd usbnet cryptd
[    4.570631]  amdgpu_ucode_sysfs_fini+0x18/0x20 [amdgpu]
[    4.570664]  amdgpu_device_fini+0x2d8/0x540 [amdgpu]
[    4.570696]  amdgpu_driver_unload_kms+0x4f/0xa0 [amdgpu]
[    4.570726]  amdgpu_driver_load_kms+0x14c/0x240 [amdgpu]
[    4.570776]  amdgpu_pci_probe+0x12a/0x1e0 [amdgpu]
[    4.570823]  amdgpu_init+0x74/0x83 [amdgpu]
[    4.571014] amdgpu: probe of 0000:40:00.0 failed with error -22