Re: [6.12.60 lts] [amdgpu]: regression: broken multi-monitor USB4 dock on Ryzen 7840U

Hi,

On 05/12/25 20:52, Péter Bohner wrote:
> upgrading from 6.12.59 to 6.12.60 broke my USB4 (Dynabook Thunderbolt 4 
> Dock)'s video output with my Framework 13 (AMD Ryzen 7840U / Radeom 780M 
> igpu) .
> With two monitors plugged in, only one of them works, the other (always 
> the one on the 'video 2' output) remains blank (but receives signal).
> 
> relevant dmesg [note: tainted by ZFS]
> (full output at: https://gist.github.com/x- 
> zvf/128d45d028230438b8777c40759fa997):
> 

Just a note:

This looks related to whats fixed in 6.12.61:

https://lore.kernel.org/stable/[email protected]/

Try with 6.12.61 maybe ?

Thanks,
Harshit

> 
> [drm:amdgpu_dm_process_dmub_aux_transfer_sync [amdgpu]] *ERROR* 
> wait_for_completion_timeout timeout!
> ------------[ cut here ]------------
> WARNING: CPU: 15 PID: 3064 at drivers/gpu/drm/amd/amdgpu/../display/dc/ 
> link/hwss/link_hwss_dpia.c:49 
> update_dpia_stream_allocation_table+0xf2/0x100 [amdgpu]
> Modules linked in: hid_logitech_hidpp hid_logitech_dj snd_seq_midi 
> snd_seq_midi_event uvcvideo videobuf2_vmalloc uvc videobuf2_memops 
> snd_usb_audio videobuf2_v4l2 videobuf2_common snd_usbmidi_lib snd_ump 
> videodev snd_rawmidi mc cdc_ether usbnet mii uas usb_storage ccm 
> snd_seq_dummy rfcomm snd_hrtimer snd_seq snd_seq_device tun ip6t_REJECT 
> nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_multiport xt_cgroup xt_mark 
> xt_owner xt_tcpudp ip6table_raw iptable_raw ip6table_mangle 
> iptable_mangle ip6table_nat iptable_nat nf_nat nf_conntrack 
> nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c crc32c_generic ip6table_filter 
> ip6_tables iptable_filter uhid cmac algif_hash algif_skcipher af_alg 
> bnep vfat fat amd_atl intel_rapl_msr intel_rapl_common snd_sof_amd_acp70 
> snd_sof_amd_acp63 snd_soc_acpi_amd_match snd_sof_amd_vangogh 
> snd_sof_amd_rembrandt snd_sof_amd_renoir snd_sof_amd_acp snd_sof_pci 
> snd_sof_xtensa_dsp snd_sof mt7921e snd_sof_utils mt7921_common 
> snd_pci_ps mt792x_lib snd_hda_codec_realtek snd_amd_sdw_acpi 
> soundwire_amd kvm_amd
>   mt76_connac_lib snd_hda_codec_generic soundwire_generic_allocation 
> snd_hda_scodec_component snd_hda_codec_hdmi mousedev mt76 soundwire_bus 
> snd_hda_intel kvm snd_soc_core snd_intel_dspcfg irqbypass 
> snd_intel_sdw_acpi mac80211 snd_compress ac97_bus crct10dif_pclmul 
> hid_sensor_als snd_pcm_dmaengine snd_hda_codec crc32_pclmul 
> hid_sensor_trigger crc32c_intel snd_rpl_pci_acp6x 
> industrialio_triggered_buffer snd_acp_pci polyval_clmulni kfifo_buf 
> snd_hda_core snd_acp_legacy_common polyval_generic libarc4 
> hid_sensor_iio_common industrialio ghash_clmulni_intel leds_cros_ec 
> cros_ec_sysfs cros_ec_hwmon cros_kbd_led_backlight cros_charge_control 
> led_class_multicolor gpio_cros_ec cros_ec_chardev cros_ec_debugfs 
> sha512_ssse3 snd_hwdep snd_pci_acp6x hid_multitouch joydev spd5118 
> hid_sensor_hub cros_ec_dev sha256_ssse3 snd_pcm btusb cfg80211 
> sha1_ssse3 btrtl aesni_intel snd_pci_acp5x btintel snd_timer 
> snd_rn_pci_acp3x sp5100_tco gf128mul ucsi_acpi crypto_simd btbcm 
> snd_acp_config snd amd_pmf typec_ucsi cryptd snd_soc_acpi
>   i2c_piix4 btmtk bluetooth rapl wmi_bmof pcspkr typec k10temp 
> thunderbolt amdtee soundcore ccp snd_pci_acp3x i2c_smbus rfkill roles 
> cros_ec_lpcs i2c_hid_acpi amd_sfh cros_ec platform_profile i2c_hid tee 
> amd_pmc mac_hid i2c_dev crypto_user dm_mod loop nfnetlink bpf_preload 
> ip_tables x_tables hid_generic usbhid amdgpu zfs(POE) crc16 amdxcp 
> spl(OE) i2c_algo_bit drm_ttm_helper ttm serio_raw drm_exec atkbd 
> gpu_sched libps2 vivaldi_fmap drm_suballoc_helper nvme drm_buddy i8042 
> drm_display_helper nvme_core video serio cec nvme_auth wmi
> CPU: 15 UID: 1000 PID: 3064 Comm: kwin_wayland Tainted: P  OE 6.12.60-1- 
> lts #1 9b11292f14ae477e878a6bb6a5b5efc27ccf021d
> Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
> Hardware name: Framework Laptop 13 (AMD Ryzen 7040Series)/FRANMDCP07, 
> BIOS 03.16 07/25/2025
> RIP: 0010:update_dpia_stream_allocation_table+0xf2/0x100 [amdgpu]
> Code: d0 0f 1f 00 48 8b 44 24 08 65 48 2b 04 25 28 00 00 00 75 1a 48 83 
> c4 10 5b 5d 41 5c 41 5d e9 10 ec e3 d9 31 db e9 6f ff ff ff <0f> 0b eb 
> 8a e8 05 09 c3 d9 0f 1f 44 00 00 90 90 90 90 90 90 90 90
> RSP: 0018:ffffd26fe3473248 EFLAGS: 00010282
> RAX: 00000000ffffffff RBX: 0000000000000025 RCX: 0000000000001140
> RDX: 00000000ffffffff RSI: ffffd26fe34731f0 RDI: ffff8bb78c7bb608
> RBP: ffff8bb7982c3b88 R08: 00000000ffffffff R09: 0000000000001100
> R10: ffffd27000ef9900 R11: ffff8bb78c7bb400 R12: ffff8bb7982ed600
> R13: ffff8bb7982c3800 R14: ffff8bb984e402a8 R15: ffff8bb7982c38c8
> FS:  000073883c086b80(0000) GS:ffff8bc51e180000(0000) 
> knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00002020005ba004 CR3: 000000014396e000 CR4: 0000000000f50ef0
> PKRU: 55555554
> Call Trace:
>   <TASK>
>   ? link_set_dpms_on+0x7a5/0xc70 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   link_set_dpms_on+0x806/0xc70 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   dce110_apply_single_controller_ctx_to_hw+0x300/0x480 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   dce110_apply_ctx_to_hw+0x24c/0x2e0 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   ? dcn10_setup_stereo+0x160/0x170 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   dc_commit_state_no_check+0x63d/0xeb0 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   dc_commit_streams+0x296/0x490 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? schedule_timeout+0x133/0x170
>   amdgpu_dm_atomic_commit_tail+0x6a1/0x3a10 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? psi_task_switch+0x113/0x2a0
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? schedule+0x27/0xf0
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? schedule_timeout+0x133/0x170
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? dma_fence_default_wait+0x8b/0x230
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? wait_for_completion_timeout+0x12e/0x180
>   commit_tail+0xae/0x140
>   drm_atomic_helper_commit+0x13c/0x180
>   drm_atomic_commit+0xa6/0xe0
>   ? __pfx___drm_printfn_info+0x10/0x10
>   drm_mode_atomic_ioctl+0xa60/0xcd0
>   ? sock_poll+0x51/0x110
>   ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
>   drm_ioctl_kernel+0xad/0x100
>   drm_ioctl+0x286/0x500
>   ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
>   amdgpu_drm_ioctl+0x4a/0x80 [amdgpu 
> d75f7e51e39957084964278ab74da83065554c01]
>   __x64_sys_ioctl+0x91/0xd0
>   do_syscall_64+0x7b/0x190
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? __x64_sys_ppoll+0xf8/0x180
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? syscall_exit_to_user_mode+0x37/0x1c0
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? do_syscall_64+0x87/0x190
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? do_syscall_64+0x87/0x190
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? do_syscall_64+0x87/0x190
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? do_syscall_64+0x87/0x190
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? do_syscall_64+0x87/0x190
>   ? srso_alias_return_thunk+0x5/0xfbef5
>   ? irqentry_exit_to_user_mode+0x2c/0x1b0
>   entry_SYSCALL_64_after_hwframe+0x76/0x7e
> RIP: 0033:0x738842d9b70d
> Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 
> 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 
> 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
> RSP: 002b:00007ffe3c7ed230 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> RAX: ffffffffffffffda RBX: 0000634abd49c210 RCX: 0000738842d9b70d
> RDX: 00007ffe3c7ed320 RSI: 00000000c03864bc RDI: 0000000000000013
> RBP: 00007ffe3c7ed280 R08: 0000634abc4049bc R09: 0000634abce43e80
> R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3c7ed320
> R13: 00000000c03864bc R14: 0000000000000013 R15: 0000634abc404840
>   </TASK>
> ---[ end trace 0000000000000000 ]---
> 
> 
> regards,
> ~ Peter
> 
> 
> 
>