Backtrace

WARNING: CPU: 1 PID: 1862 at drivers/gpu/drm/i915/display/intel_display_power_well.c:1003 gen9_disable_dc_states+0x2c5/0x320 [i915]
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables qrtr sunrpc bnep snd_sof_pci_intel_cnl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_hda_codec_hdmi snd_sof_utils snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation snd_soc_acpi intel_rapl_msr soundwire_bus intel_rapl_common snd_soc_sdca intel_uncore_frequency snd_hda_codec_realtek intel_uncore_frequency_common snd_soc_avs snd_hda_codec_generic snd_hda_scodec_component snd_soc_hda_codec intel_tcc_cooling x86_pkg_temp_thermal snd_hda_ext_core intel_powerclamp coretemp snd_soc_core kvm_intel iwlmvm snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel
 spi_nor snd_intel_dspcfg iTCO_wdt snd_intel_sdw_acpi snd_hda_codec intel_pmc_bxt binfmt_misc mtd ee1004 snd_hda_core mei_hdcp mei_pxp iTCO_vendor_support mac80211 kvm irqbypass rapl libarc4 snd_hwdep snd_seq vfat snd_seq_device btusb fat btrtl btintel snd_pcm intel_cstate btbcm iwlwifi intel_uncore spi_intel_pci snd_timer i2c_i801 btmtk wmi_bmof pcspkr intel_wmi_thunderbolt snd soundcore e1000e spi_intel i2c_smbus mei_me cfg80211 bluetooth mei rfkill intel_pch_thermal intel_pmc_core pmt_telemetry pmt_class acpi_tad acpi_pad intel_vsec joydev loop nfnetlink zram lz4hc_compress lz4_compress i915 rtsx_pci_sdmmc mmc_core polyval_clmulni polyval_generic ghash_clmulni_intel nvme sha512_ssse3 i2c_algo_bit sha256_ssse3 drm_buddy nvme_core ttm sha1_ssse3 rtsx_pci drm_display_helper nvme_auth cec video wmi pinctrl_cannonlake fuse
CPU: 1 UID: 0 PID: 1862 Comm: kworker/1:0 Tainted: G        W          6.14.9-300.fc42.x86_64 #1
Tainted: [W]=WARN
Hardware name: Intel(R) Client Systems NUC8i3BEK/NUC8BEB, BIOS BECFL357.86A.0085.2020.1007.1917 10/07/2020
Workqueue: events output_poll_execute
RIP: 0010:gen9_disable_dc_states+0x2c5/0x320 [i915]
Code: 85 d2 75 03 48 8b 17 48 89 14 24 e8 95 08 71 e4 48 8b 14 24 48 c7 c1 58 f5 ae c0 48 c7 c7 e4 e7 b1 c0 48 89 c6 e8 5b d9 b9 e3 <0f> 0b e9 0a fe ff ff 0f b6 c8 48 8b 03 48 8b 78 08 48 8b 57 50 48
RSP: 0018:ffffcfe382287a18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8f058c31c618 RCX: 0000000000000027
RDX: ffff8f06f5ca1948 RSI: 0000000000000001 RDI: ffff8f06f5ca1940
RBP: ffff8f058c31c000 R08: 0000000000000000 R09: ffffcfe3822878c0
R10: ffffffffa69368e8 R11: 00000000ffffdfff R12: 0000000000000036
R13: fffffffffffffffe R14: 0000000000000002 R15: ffff8f05816a2000
FS:  0000000000000000(0000) GS:ffff8f06f5c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f26895b6e80 CR3: 000000024c82c003 CR4: 00000000003726f0
Call Trace:
 <TASK>
 intel_power_well_enable+0x5b/0x70 [i915]
 __intel_display_power_get_domain.part.0+0x52/0x80 [i915]
 intel_display_power_get+0x54/0x70 [i915]
 intel_dp_aux_xfer+0x10c/0x760 [i915]
 ? _raw_spin_unlock_irqrestore+0x1d/0x40
 intel_dp_aux_transfer+0x10a/0x360 [i915]
 ? intel_runtime_resume+0x1a5/0x290 [i915]
 drm_dp_dpcd_access+0xaf/0x140 [drm_display_helper]
 drm_dp_dpcd_probe+0x41/0xf0 [drm_display_helper]
 drm_dp_dpcd_read+0xc2/0x110 [drm_display_helper]
 lspcon_wake_native_aux_ch+0x57/0xe0 [i915]
 lspcon_resume+0x66/0x1a0 [i915]
 ? __pm_runtime_suspend+0x6a/0xd0
 intel_dp_detect_dpcd+0x46/0x350 [i915]
 intel_dp_detect+0x22d/0x510 [i915]
 ? drm_modeset_lock+0x92/0x120
 drm_helper_probe_detect_ctx+0x4f/0x100
 output_poll_execute+0x136/0x290
 process_one_work+0x17b/0x340
 worker_thread+0x255/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xec/0x230
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x31/0x50
 ? __pfx_kthread+0x10/0x10
 ret_from_fork_asm+0x1a/0x30
 </TASK>