Backtrace

WARNING: CPU: 5 PID: 110705 at drivers/gpu/drm/i915/display/intel_cdclk.c:850 skl_get_cdclk+0x25f/0x2a0 [i915]
Modules linked in: xfs nilfs2 jfs udf crc_itu_t uinput rfcomm ccm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc 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 ip_set_hash_ip nf_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) cmac bnep squashfs vfat fat loop dell_rbtn snd_hda_codec_hdmi snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_hda_codec_realtek snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_hda_codec_generic snd_soc_acpi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation
 snd_soc_core snd_compress x86_pkg_temp_thermal snd_pcm_dmaengine soundwire_cadence intel_powerclamp coretemp snd_hda_codec kvm_intel iwlmvm snd_hda_core dell_laptop iTCO_wdt ac97_bus snd_hwdep intel_pmc_bxt uvcvideo ledtrig_audio ee1004 iTCO_vendor_support snd_seq mei_wdt snd_seq_device mei_hdcp intel_rapl_msr mac80211 kvm dell_smm_hwmon videobuf2_vmalloc libarc4 irqbypass snd_pcm rapl videobuf2_memops intel_cstate dell_wmi iwlwifi intel_uncore btusb videobuf2_v4l2 btrtl snd_timer dell_smbios btbcm pcspkr btintel videobuf2_common dcdbas dell_wmi_sysman wmi_bmof bluetooth intel_wmi_thunderbolt dell_wmi_descriptor snd cfg80211 i2c_i801 soundcore i2c_smbus videodev processor_thermal_device ecdh_generic processor_thermal_rfim mc rfkill processor_thermal_mbox ecc mei_me joydev processor_thermal_rapl mei idma64 intel_rapl_common intel_xhci_usb_role_switch ucsi_acpi intel_soc_dts_iosf typec_ucsi roles intel_pch_thermal typec int3403_thermal int340x_thermal_zone acpi_pad
 dell_smo8800 int3400_thermal acpi_thermal_rel intel_hid sparse_keymap auth_rpcgss sunrpc binfmt_misc zram ip_tables hid_logitech_hidpp i915 hid_multitouch rtsx_pci_sdmmc crct10dif_pclmul mmc_core crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper nvme cec e1000e ghash_clmulni_intel serio_raw nvme_core drm rtsx_pci wmi i2c_hid video hid_logitech_dj fuse
CPU: 5 PID: 110705 Comm: kworker/u16:9 Tainted: G     U  W  OE     5.11.11-200.fc33.x86_64 #1
Hardware name: Dell Inc. Latitude 5490/08NJ82, BIOS 1.16.0 10/21/2020
Workqueue: events_unbound async_run_entry_fn
RIP: 0010:skl_get_cdclk+0x25f/0x2a0 [i915]
Code: 8b 7d 18 4c 8b 6f 50 4d 85 ed 74 45 e8 0a eb f8 c8 48 c7 c1 20 40 94 c0 4c 89 ea 48 c7 c7 40 a2 96 c0 48 89 c6 e8 a7 f4 32 c9 <0f> 0b 8b 53 04 e9 43 fe ff ff c7 03 80 97 06 00 b8 01 00 00 00 e9
RSP: 0000:ffffaf63c76f3d10 EFLAGS: 00010282
RAX: 0000000000000036 RBX: ffff97724b2a53e8 RCX: ffff977366558ac8
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff977366558ac0
RBP: ffff97724b2a0000 R08: ffffffff8aa64ec0 R09: 000000008b53dbc2
R10: ffffffffffffffff R11: 0000000000000004 R12: ffff97724b2a0808
R13: ffff97724153b3f0 R14: 0000000000000020 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff977366540000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000177a10001 CR4: 00000000003706e0
Call Trace:
 intel_update_cdclk+0x1c/0x60 [i915]
 intel_cdclk_init_hw+0x3c2/0x430 [i915]
 intel_power_domains_init_hw+0x2ed/0x6a0 [i915]
 intel_power_domains_resume+0xd9/0x120 [i915]
 i915_drm_resume_early+0x81/0xa0 [i915]
 ? i915_pm_restore_early+0x20/0x20 [i915]
 dpm_run_callback+0x4c/0x120
 device_resume_early+0x91/0x210
 async_resume_early+0x19/0x30
 async_run_entry_fn+0x39/0x160
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30