Backtrace

WARNING: CPU: 7 PID: 15322 at drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_link_encoder.c:216 dcn21_link_encoder_acquire_phy+0xf1/0x140 [amdgpu]
Modules linked in: xt_nat veth nf_conntrack_netlink xt_addrtype overlay uhid rfcomm nf_nat_tftp nf_conntrack_tftp ccm tun ipt_REJECT xt_conntrack xt_MASQUERADE xt_CHECKSUM xt_comment dummy nft_masq nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink cmac bnep vfat fat squashfs loop snd_hda_codec_realtek snd_usb_audio snd_hda_codec_generic snd_hda_codec_hdmi snd_acp3x_pdm_dma snd_acp3x_rn snd_soc_dmic snd_hda_intel snd_intel_dspcfg snd_soc_core snd_usbmidi_lib snd_hda_codec btusb snd_hda_core snd_compress snd_rawmidi btrtl ac97_bus snd_hwdep btbcm snd_pcm_dmaengine btintel snd_seq bluetooth snd_seq_device snd_pcm snd_rn_pci_acp3x ecdh_generic ecc snd_pci_acp3x
 snd_timer tps6598x iwlmvm roles mac80211 libarc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 iwlwifi videobuf2_common edac_mce_amd videodev rapl joydev cfg80211 thinkpad_acpi mc pcspkr wmi_bmof k10temp sp5100_tco ledtrig_audio i2c_piix4 snd ipmi_devintf ucsi_acpi ipmi_msghandler typec_ucsi soundcore typec rfkill i2c_scmi i2c_multi_instantiate acpi_cpufreq auth_rpcgss sunrpc zram hid_logitech_hidpp r8152 mii hid_logitech_dj amdgpu iommu_v2 gpu_sched i2c_algo_bit ttm rtsx_pci_sdmmc mmc_core drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel serio_raw nvme rtsx_pci nvme_core r8169 wmi video pinctrl_amd kvm_amd ccp kvm irqbypass iptable_filter ip6table_filter ip6_tables br_netfilter bridge stp llc arp_tables fuse ip_tables
CPU: 7 PID: 15322 Comm: kworker/7:1 Not tainted 5.9.16-200.fc33.x86_64 #1
Hardware name: LENOVO 20UDCTO1WW/20UDCTO1WW, BIOS R1BET40W(1.09 ) 08/07/2020
Workqueue: events dm_irq_work_func [amdgpu]
RIP: 0010:dcn21_link_encoder_acquire_phy+0xf1/0x140 [amdgpu]
Code: 78 0f b6 8a 8a 00 00 00 44 8b 80 28 02 00 00 ba 01 00 00 00 41 b9 01 00 00 00 e8 0a 6a 04 00 b8 01 00 00 00 48 83 c4 08 5b c3 <0f> 0b 48 83 c4 08 31 c0 5b c3 0f 0b 48 8b 53 60 48 8b 43 68 41 b9
RSP: 0018:ffffac894135fc08 EFLAGS: 00010246
RAX: 0000000000163333 RBX: ffff9741f1aee400 RCX: 0000000000000011
RDX: 0000000000000000 RSI: 000000000000608e RDI: ffff9741ed3e0000
RBP: ffff9741f1aee400 R08: ffffac894135fc0c R09: ffffac894135fcf0
R10: 0000000000000001 R11: 0000000000000003 R12: ffffac894135fcf0
R13: 0000000000000008 R14: ffff9741f1aee400 R15: ffff973f03902008
FS:  0000000000000000(0000) GS:ffff9741ff9c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff9125d2000 CR3: 00000002f69b0000 CR4: 0000000000350ee0
Call Trace:
 dcn21_link_encoder_enable_dp_mst_output+0x18/0x40 [amdgpu]
 dp_enable_link_phy+0x16f/0x200 [amdgpu]
 perform_link_training_with_retries+0xfe/0x150 [amdgpu]
 enable_link_dp+0xd5/0x200 [amdgpu]
 core_link_enable_stream+0x70b/0x7f0 [amdgpu]
 ? core_link_disable_stream+0xa5/0x1d0 [amdgpu]
 dc_link_handle_hpd_rx_irq+0x719/0x740 [amdgpu]
 handle_hpd_rx_irq+0x6d/0x300 [amdgpu]
 ? __switch_to_asm+0x36/0x70
 dm_irq_work_func+0x49/0x60 [amdgpu]
 process_one_work+0x1b4/0x370
 worker_thread+0x53/0x3e0
 ? process_one_work+0x370/0x370
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30