WARNING: CPU: 10 PID: 232 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:5121 dp_retrieve_lttpr_cap+0x157/0x1c0 [amdgpu]
I just updated by ThinkPad T14 Gen 3 AMD (21CF) to Kernel 6.2.0-rc4 and see the following trace on bootup. Does not seem to have any negative consequence (Display works fine).
[ +0,075598] [drm] PSR support 1, DC PSR ver 0, sink PSR ver 3 DPCD caps 0x30 su_y_granularity 4
[ +0,000898] [drm] DP Alt mode state on HPD: 1
[ +0,047751] ------------[ cut here ]------------
[ +0,000004] WARNING: CPU: 10 PID: 232 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:5121 dp_retrieve_lttpr_cap+0x157/0x1c0 [amdgpu]
[ +0,000501] Modules linked in: fjes(-) hid_logitech_dj(+) usbhid amdgpu(+) iommu_v2 drm_buddy gpu_sched i2c_algo_bit drm_ttm_helper ttm drm_display_helper cec crct10dif_pclmul rc_core crc32_pclmul nvme polyval_clmulni polyval_generic drm_k>
[ +0,000027] CPU: 10 PID: 232 Comm: systemd-udevd Not tainted 6.2.0-060200rc4-generic #202301151633
[ +0,000003] Hardware name: LENOVO 21CF004PGE/21CF004PGE, BIOS R23ET62W (1.32 ) 11/11/2022
[ +0,000002] RIP: 0010:dp_retrieve_lttpr_cap+0x157/0x1c0 [amdgpu]
[ +0,000330] Code: 0f b6 55 e7 48 21 c8 48 c1 e2 38 48 09 d0 49 89 84 24 88 02 00 00 41 f6 84 24 b0 02 00 00 02 74 2c e8 1d ed ff ff 84 c0 75 23 <0f> 0b 41 c6 84 24 8c 02 00 00 80 b9 80 00 00 00 48 c7 c2 60 6d 79
[ +0,000001] RSP: 0018:ffffbd7280d7b3c8 EFLAGS: 00010246
[ +0,000002] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00ffffffffffffff
[ +0,000001] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ +0,000000] RBP: ffffbd7280d7b3e8 R08: 0000000000000000 R09: 0000000000000000
[ +0,000001] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9ae9a52bf000
[ +0,000000] R13: ffff9ae98469f2c0 R14: ffff9ae9a52bf000 R15: ffff9ae9a5e78800
[ +0,000001] FS: 00007f5a55be88c0(0000) GS:ffff9af09f080000(0000) knlGS:0000000000000000
[ +0,000001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ +0,000001] CR2: 000055813bf83088 CR3: 0000000101cf6000 CR4: 0000000000750ee0
[ +0,000001] PKRU: 55555554
[ +0,000000] Call Trace:
[ +0,000002] <TASK>
[ +0,000001] retrieve_link_cap+0x7b/0xa50 [amdgpu]
[ +0,000197] ? dm_helpers_is_dp_sink_present+0x3d/0x50 [amdgpu]
[ +0,000214] detect_dp_sink_caps+0xe/0x20 [amdgpu]
[ +0,000213] detect_link_and_local_sink+0x969/0xc90 [amdgpu]
[ +0,000210] dc_link_detect+0x1f/0x1a0 [amdgpu]
[ +0,000202] amdgpu_dm_initialize_drm_device+0x4c0/0x8ca [amdgpu]
[ +0,000209] amdgpu_dm_init.isra.0.cold+0x638/0x6e6 [amdgpu]
[ +0,000201] ? __pfx_enable_assr+0x10/0x10 [amdgpu]
[ +0,000216] ? __pfx_update_config+0x10/0x10 [amdgpu]
[ +0,000218] dm_hw_init+0x12/0x30 [amdgpu]
[ +0,000208] amdgpu_device_ip_init+0x614/0x892 [amdgpu]
[ +0,000203] amdgpu_device_init.cold+0x2da/0x7de [amdgpu]
[ +0,000195] amdgpu_driver_load_kms+0x1a/0x120 [amdgpu]
[ +0,000141] amdgpu_pci_probe+0x15f/0x3b0 [amdgpu]
[ +0,000137] local_pci_probe+0x47/0x90
[ +0,000003] pci_call_probe+0x55/0x190
[ +0,000002] pci_device_probe+0x84/0x120
[ +0,000001] really_probe+0xf9/0x3b0
[ +0,000003] ? pm_runtime_barrier+0x55/0xa0
[ +0,000003] __driver_probe_device+0x8c/0x1a0
[ +0,000001] driver_probe_device+0x24/0xd0
[ +0,000001] __driver_attach+0x10b/0x210
[ +0,000001] ? __pfx___driver_attach+0x10/0x10
[ +0,000001] bus_for_each_dev+0x90/0xe0
[ +0,000002] driver_attach+0x1e/0x30
[ +0,000001] bus_add_driver+0x1d0/0x220
[ +0,000001] driver_register+0x8f/0x100
[ +0,000002] __pci_register_driver+0x62/0x70
[ +0,000001] amdgpu_init+0x6a/0xff0 [amdgpu]
[ +0,000142] ? __pfx_init_module+0x10/0x10 [amdgpu]
[ +0,000135] do_one_initcall+0x5e/0x250
[ +0,000004] do_init_module+0x50/0x210
[ +0,000002] load_module+0xb43/0xc30
[ +0,000002] ? kernel_read_file+0x2a4/0x320
[ +0,000003] __do_sys_finit_module+0xc4/0x140
[ +0,000001] ? __do_sys_finit_module+0xc4/0x140
[ +0,000001] __x64_sys_finit_module+0x18/0x30
[ +0,000002] do_syscall_64+0x5b/0x90
[ +0,000002] ? ksys_mmap_pgoff+0x120/0x260
[ +0,000003] ? exit_to_user_mode_prepare+0x30/0xb0
[ +0,000002] ? syscall_exit_to_user_mode+0x29/0x50
[ +0,000002] ? do_syscall_64+0x67/0x90
[ +0,000001] ? do_syscall_64+0x67/0x90
[ +0,000001] ? exit_to_user_mode_prepare+0x30/0xb0
[ +0,000001] ? syscall_exit_to_user_mode+0x29/0x50
[ +0,000001] ? do_syscall_64+0x67/0x90
[ +0,000001] ? syscall_exit_to_user_mode+0x29/0x50
[ +0,000000] ? do_syscall_64+0x67/0x90
[ +0,000001] ? sysvec_call_function+0x4b/0xd0
[ +0,000002] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ +0,000003] RIP: 0033:0x7f5a562e0a3d
[ +0,000002] Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 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 a3 0f 00 f7 d8 64 89 01 48
[ +0,000000] RSP: 002b:00007ffcd23a2338 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ +0,000001] RAX: ffffffffffffffda RBX: 000055813cb5fc60 RCX: 00007f5a562e0a3d
[ +0,000001] RDX: 0000000000000000 RSI: 000055813cb5b460 RDI: 0000000000000019
[ +0,000001] RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000040
[ +0,000000] R10: 0000000000000019 R11: 0000000000000246 R12: 000055813cb5b460
[ +0,000001] R13: 000055813cb0b580 R14: 0000000000000000 R15: 000055813cb5b5c0
[ +0,000001] </TASK>
[ +0,000000] ---[ end trace 0000000000000000 ]---