Backtrace

WARNING: CPU: 7 PID: 4399 at drivers/gpu/drm/i915/display/intel_display_power.c:1183 gen9_disable_dc_states+0x253/0x260 [i915]
Modules linked in: ccm rfcomm xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nft_compat nf_nat_tftp nft_objref nf_conntrack_tftp nft_counter bridge stp llc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink cmac bnep sunrpc vfat fat ext4 mbcache jbd2 snd_hda_codec_hdmi wacom hid_multitouch snd_sof_pci_intel_icl snd_sof_intel_hda_common snd_soc_hdac_hda soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_ctl_led soundwire_bus snd_hda_codec_realtek i2c_designware_platform iTCO_wdt iwlmvm i2c_designware_core iTCO_vendor_support snd_soc_core snd_hda_codec_generic dell_laptop snd_compress dell_wmi_sysman intel_rapl_msr ledtrig_audio dell_wmi mac80211 firmware_attributes_class wmi_bmof
 intel_wmi_thunderbolt dell_smbios snd_hda_intel dell_wmi_descriptor snd_intel_dspcfg snd_intel_sdw_acpi dcdbas libarc4 snd_hda_codec x86_pkg_temp_thermal snd_hda_core intel_powerclamp iwlwifi snd_hwdep coretemp snd_seq btusb rapl btrtl intel_cstate snd_seq_device btbcm snd_pcm btintel cfg80211 intel_uncore bluetooth joydev pcspkr snd_timer rtsx_pci_ms idma64 snd i2c_i801 soundcore memstick mei_me ecdh_generic mei intel_lpss_pci intel_lpss rfkill hid_sensor_accel_3d hid_sensor_rotation hid_sensor_incl_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_magn_3d hid_sensor_trigger processor_thermal_device_pci_legacy hid_sensor_iio_common intel_soc_dts_iosf processor_thermal_device industrialio_triggered_buffer processor_thermal_rfim kfifo_buf processor_thermal_mbox industrialio processor_thermal_rapl intel_rapl_common wmi int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel intel_hid sparse_keymap intel_pmc_core acpi_pad acpi_tad xfs libcrc32c dm_crypt
 hid_sensor_custom intel_ishtp_hid i915 cec intel_gtt crct10dif_pclmul i2c_algo_bit ttm rtsx_pci_sdmmc mmc_core crc32_pclmul drm_kms_helper crc32c_intel syscopyarea nvme sysfillrect sysimgblt ghash_clmulni_intel intel_ish_ipc fb_sys_fops r8152 nvme_core mii serio_raw drm rtsx_pci t10_pi intel_ishtp i2c_hid_acpi i2c_hid video pinctrl_icelake dm_mirror dm_region_hash dm_log dm_mod ipmi_devintf ipmi_msghandler fuse
CPU: 7 PID: 4399 Comm: kworker/u16:12 Kdump: loaded Tainted: G        W        --------- -  - 4.18.0-408.el8.x86_64 #1
Hardware name: Dell Inc. XPS 13 7390 2-in-1/06CDVY, BIOS 1.5.0 06/05/2020
Workqueue: events_unbound async_run_entry_fn
RIP: 0010:gen9_disable_dc_states+0x253/0x260 [i915]
Code: e8 4c 8b 6f 70 4d 85 ed 75 04 4c 8b 6f 10 e8 d4 6b 07 e3 45 89 e0 89 e9 4c 89 ea 48 89 c6 48 c7 c7 b0 16 8b c0 e8 d6 60 b3 e2 <0f> 0b e9 52 fe ff ff e8 d1 5d b3 e2 90 0f 1f 44 00 00 e9 96 fd ff
RSP: 0018:ffffac03c2c1fd60 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff97bc78520000 RCX: 0000000000000027
RDX: 0000000000000027 RSI: 0000000000000096 RDI: ffff97bfbf7d6650
RBP: 0000000000000000 R08: ffffffffa4a629c0 R09: 0000000000000000
R10: ffffffffa56a4b68 R11: ffffffffa56a4b65 R12: 0000000000000001
R13: ffff97bc427db510 R14: 0000000000000002 R15: ffffffffa435c903
FS:  0000000000000000(0000) GS:ffff97bfbf7c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa0d66f9038 CR3: 00000001bd610005 CR4: 0000000000770ee0
PKRU: 55555554
Call Trace:
 icl_display_core_uninit.part.41+0x16/0x60 [i915]
 intel_power_domains_suspend+0x72/0x1e0 [i915]
 i915_drm_suspend_late+0x5a/0x100 [i915]
 ? pci_pm_poweroff_late+0x30/0x30
 dpm_run_callback+0x4f/0x150
 __device_suspend_late+0x90/0x180
 async_suspend_late+0x1a/0x90
 async_run_entry_fn+0x39/0x160
 process_one_work+0x1a7/0x360
 worker_thread+0x30/0x390
 ? create_worker+0x1a0/0x1a0
 kthread+0x10a/0x120
 ? set_kthread_struct+0x40/0x40
 ret_from_fork+0x1f/0x40