Rembrandt [Radeon 680M] (rev d4): external display no longer working
Hardware: HP Elitebook 845 G9 (Ryzen 6850u) My external display, connected via USB-C is no longer detected and I get this in kernel logs:
[ 12.582906] WARNING: CPU: 6 PID: 472 at drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_capability.c:1527 dp_retrieve_lttpr_cap+0x16f/0x1a0 [amdgpu]
[ 12.583383] Modules linked in: cmac algif_hash algif_skcipher af_alg bnep qrtr_mhi snd_ctl_led snd_soc_dmic snd_soc_acp6x_mach snd_acp6x_pdm_dma snd_sof_amd_rembrandt qrtr snd_sof_amd_renoir snd_sof_amd_acp ath11k_pci snd_hda_codec_realtek intel_rapl_msr joydev snd_sof_pci mousedev amdgpu(+) intel_rapl_common snd_hda_codec_generic snd_sof_xtensa_dsp ath11k ledtrig_audio snd_sof snd_hda_codec_hdmi qmi_helpers hid_sensor_als snd_sof_utils snd_hda_scodec_cs35l41_spi amdxcp drm_buddy snd_hda_intel hid_sensor_trigger snd_soc_core btusb snd_intel_dspcfg gpu_sched industrialio_triggered_buffer snd_compress btrtl snd_intel_sdw_acpi kfifo_buf i2c_algo_bit ac97_bus mac80211 hid_sensor_iio_common edac_mce_amd btbcm drm_suballoc_helper snd_pcm_dmaengine snd_hda_codec uvcvideo snd_pci_ps drm_ttm_helper btintel industrialio snd_rpl_pci_acp6x videobuf2_vmalloc ttm libarc4 btmtk kvm_amd snd_hda_core snd_acp_pci uvc hp_wmi snd_hda_scodec_cs35l41_i2c snd_hda_scodec_cs35l41 videobuf2_memops snd_pci_acp6x bluetooth hid_multitouch
[ 12.583477] sparse_keymap wmi_bmof hid_sensor_hub drm_display_helper snd_hwdep snd_pci_acp5x videobuf2_v4l2 snd_hda_cs_dsp_ctls cfg80211 cec snd_rn_pci_acp3x kvm snd_pcm cs_dsp ucsi_acpi snd_acp_config ecdh_generic videodev snd_timer sp5100_tco snd_soc_acpi snd_soc_cs35l41_lib typec_ucsi video rfkill videobuf2_common irqbypass mc rapl pcspkr typec snd crc16 thunderbolt k10temp amd_sfh snd_pci_acp3x i2c_piix4 soundcore mhi roles i2c_hid_acpi amd_pmf wmi i2c_hid platform_profile wireless_hotkey serial_multi_instantiate amd_pmc acpi_tad mac_hid crypto_user loop fuse ip_tables x_tables btrfs blake2b_generic libcrc32c crc32c_generic xor raid6_pq vfat fat dm_crypt cbc encrypted_keys trusted asn1_encoder tee dm_mod crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic serio_raw gf128mul atkbd ghash_clmulni_intel libps2 sha512_ssse3 aesni_intel vivaldi_fmap crypto_simd nvme cryptd nvme_core xhci_pci ccp i8042 xhci_pci_renesas nvme_common serio uas usb_storage
[ 12.583596] CPU: 6 PID: 472 Comm: (udev-worker) Not tainted 6.5.7-arch1-1 #1 0f5c742c3372ed589b7098a21a0ff406fc2e7c9c
[ 12.583600] Hardware name: HP HP EliteBook 845 14 inch G9 Notebook PC/8990, BIOS U82 Ver. 01.06.00 07/03/2023
[ 12.583602] RIP: 0010:dp_retrieve_lttpr_cap+0x16f/0x1a0 [amdgpu]
[ 12.583984] Code: 04 25 28 00 00 00 75 45 48 83 c4 10 89 d8 5b 5d e9 26 5c 11 e4 48 c7 c2 07 a7 48 c2 be 02 00 00 00 31 ff e8 03 04 c6 e3 eb b7 <0f> 0b c6 85 94 02 00 00 80 b9 80 00 00 00 48 c7 c2 b8 22 46 c2 31
[ 12.583986] RSP: 0018:ffffac3683c9b5a8 EFLAGS: 00010246
[ 12.583987] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 00ffffffffffffff
[ 12.583989] RDX: 0000000000000007 RSI: ffffac3683c9b5a8 RDI: 0000000000000000
[ 12.583990] RBP: ffffa0ec85c7a000 R08: 0000000000000008 R09: 0000000000000000
[ 12.583991] R10: 0000000000000002 R11: 0000000000000100 R12: 0000000000000001
[ 12.583992] R13: 0000000000000001 R14: ffffac3683c9b69c R15: ffffa0ec89a27740
[ 12.583993] FS: 00007fbfda129480(0000) GS:ffffa0efce980000(0000) knlGS:0000000000000000
[ 12.583994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.583995] CR2: 00007fbcc37fdeb8 CR3: 000000011c15a000 CR4: 0000000000750ee0
[ 12.583997] PKRU: 55555554
[ 12.583997] Call Trace:
[ 12.584000] <TASK>
[ 12.584001] ? dp_retrieve_lttpr_cap+0x16f/0x1a0 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.584214] ? __warn+0x81/0x130
[ 12.584219] ? dp_retrieve_lttpr_cap+0x16f/0x1a0 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.584428] ? report_bug+0x171/0x1a0
[ 12.584433] ? handle_bug+0x3c/0x80
[ 12.584436] ? exc_invalid_op+0x17/0x70
[ 12.584438] ? asm_exc_invalid_op+0x1a/0x20
[ 12.584443] ? dp_retrieve_lttpr_cap+0x16f/0x1a0 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.584642] ? dp_retrieve_lttpr_cap+0x114/0x1a0 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.584840] retrieve_link_cap+0x7d/0xb90 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.585044] ? srso_alias_return_thunk+0x5/0x7f
[ 12.585047] ? srso_alias_return_thunk+0x5/0x7f
[ 12.585048] ? dp_is_sink_present+0xbc/0x120 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.585241] detect_link_and_local_sink+0xb24/0xfc0 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.585443] ? srso_alias_return_thunk+0x5/0x7f
[ 12.585444] ? dm_read_reg_func+0x3b/0xb0 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.585647] link_detect+0x3a/0x480 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.585849] ? dal_gpio_destroy_irq+0x25/0x40 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.586047] ? srso_alias_return_thunk+0x5/0x7f
[ 12.586049] ? query_hpd_status+0x6e/0xa0 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.586251] amdgpu_dm_init.isra.0+0xf34/0x1e00 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.586472] ? __pfx_enable_assr+0x10/0x10 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.586679] ? __pfx_update_config+0x10/0x10 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.586895] dm_hw_init+0x12/0x30 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.587108] amdgpu_device_init+0x1e0e/0x2430 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.587260] ? srso_alias_return_thunk+0x5/0x7f
[ 12.587263] amdgpu_driver_load_kms+0x19/0x190 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.587442] amdgpu_pci_probe+0x150/0x440 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.587604] local_pci_probe+0x45/0xa0
[ 12.587608] pci_device_probe+0xc1/0x260
[ 12.587611] ? sysfs_do_create_link_sd+0x6e/0xe0
[ 12.587615] really_probe+0x19e/0x3e0
[ 12.587619] ? __pfx___driver_attach+0x10/0x10
[ 12.587621] __driver_probe_device+0x78/0x160
[ 12.587624] driver_probe_device+0x1f/0x90
[ 12.587626] __driver_attach+0xd2/0x1c0
[ 12.587628] bus_for_each_dev+0x88/0xd0
[ 12.587632] bus_add_driver+0x116/0x220
[ 12.587635] driver_register+0x59/0x100
[ 12.587638] ? __pfx_amdgpu_init+0x10/0x10 [amdgpu ac36dc998119af919dc47e92cbc13a806ae01e4a]
[ 12.587787] do_one_initcall+0x5d/0x320
[ 12.587792] do_init_module+0x60/0x240
[ 12.587795] init_module_from_file+0x89/0xe0
[ 12.587801] idempotent_init_module+0x120/0x2b0
[ 12.587804] __x64_sys_finit_module+0x5e/0xb0
[ 12.587807] do_syscall_64+0x60/0x90
[ 12.587811] ? srso_alias_return_thunk+0x5/0x7f
[ 12.587812] ? syscall_exit_to_user_mode+0x2b/0x40
[ 12.587814] ? srso_alias_return_thunk+0x5/0x7f
[ 12.587816] ? do_syscall_64+0x6c/0x90
[ 12.587818] ? srso_alias_return_thunk+0x5/0x7f
[ 12.587819] ? __irq_exit_rcu+0x4b/0xc0
[ 12.587822] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 12.587825] RIP: 0033:0x7fbfda52c73d
[ 12.587852] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c3 95 0c 00 f7 d8 64 89 01 48
[ 12.587853] RSP: 002b:00007fff168fa4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 12.587855] RAX: ffffffffffffffda RBX: 000055c2872e0600 RCX: 00007fbfda52c73d
[ 12.587856] RDX: 0000000000000004 RSI: 00007fbfdaace376 RDI: 0000000000000019
[ 12.587857] RBP: 00007fbfdaace376 R08: 0000000000000070 R09: fffffffffffffe90
[ 12.587858] R10: 0000000000000050 R11: 0000000000000246 R12: 0000000000020000
[ 12.587859] R13: 000055c2872e7410 R14: 0000000000000000 R15: 000055c2872c5120
[ 12.587863] </TASK>