Backtrace

WARNING: CPU: 2 PID: 1986 at drivers/gpu/drm/i915/display/intel_cdclk.c:850 skl_get_cdclk+0x26c/0x2a0 [i915]
Modules linked in: uinput nls_utf8 isofs snd_seq_dummy snd_hrtimer rfcomm ccm 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 ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat snd_hda_codec_hdmi snd_soc_skl snd_hda_codec_realtek snd_soc_hdac_hda snd_hda_ext_core dell_rbtn snd_hda_codec_generic snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core iwlmvm snd_compress snd_pcm_dmaengine soundwire_cadence mac80211 snd_hda_codec snd_hda_core libarc4 iTCO_wdt x86_pkg_temp_thermal ac97_bus intel_powerclamp intel_pmc_bxt coretemp
 dell_laptop ee1004 snd_hwdep mei_wdt kvm_intel mei_hdcp ledtrig_audio iTCO_vendor_support intel_rapl_msr snd_seq kvm snd_seq_device dell_smm_hwmon btusb uvcvideo dell_wmi irqbypass videobuf2_vmalloc btrtl iwlwifi videobuf2_memops rapl snd_pcm btbcm dell_smbios videobuf2_v4l2 intel_cstate btintel videobuf2_common snd_timer dcdbas intel_uncore pcspkr mei_me cfg80211 dell_wmi_sysman intel_wmi_thunderbolt wmi_bmof dell_wmi_descriptor bluetooth snd i2c_i801 soundcore i2c_smbus videodev mei processor_thermal_device processor_thermal_rfim processor_thermal_mbox ecdh_generic rfkill intel_xhci_usb_role_switch processor_thermal_rapl joydev idma64 mc ucsi_acpi intel_rapl_common roles ecc intel_pch_thermal typec_ucsi typec intel_soc_dts_iosf int3400_thermal acpi_thermal_rel acpi_pad int3403_thermal int340x_thermal_zone intel_hid sparse_keymap zram ip_tables uas usb_storage i915 hid_multitouch i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc mmc_core cec crct10dif_pclmul crc32_pclmul
 crc32c_intel ghash_clmulni_intel serio_raw drm e1000e rtsx_pci wmi i2c_hid video fuse
CPU: 2 PID: 1986 Comm: gnome-shell Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude 7390/0HFXXW, BIOS 1.19.0 02/23/2021
RIP: 0010:skl_get_cdclk+0x26c/0x2a0 [i915]
Code: 8b 7d 18 4c 8b 6f 50 4d 85 ed 74 36 e8 fd 3c 38 e8 48 c7 c1 68 70 54 c0 4c 89 ea 48 c7 c7 b0 d2 56 c0 48 89 c6 e8 03 39 72 e8 <0f> 0b 8b 53 04 e9 31 fe ff ff ba 5b b5 04 00 31 c0 89 13 e9 2f ff
RSP: 0018:ffffbb9201ac39f8 EFLAGS: 00010292
RAX: 0000000000000036 RBX: ffffbb9201ac3a24 RCX: 0000000000000027
RDX: ffff9790ae498ac8 RSI: 0000000000000001 RDI: ffff9790ae498ac0
RBP: ffff978d49c60000 R08: 0000000000000000 R09: ffffbb9201ac3828
R10: ffffbb9201ac3820 R11: ffffffffa9b44f08 R12: ffff978d49c60808
R13: ffff978d4117f260 R14: ffff978d49c66720 R15: ffff978d49c66cf0
FS:  00007f1f84942d80(0000) GS:ffff9790ae480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1f70537000 CR3: 0000000151b42004 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 gen9_disable_dc_states+0x57/0x240 [i915]
 __intel_display_power_get_domain.part.0+0x94/0xb0 [i915]
 intel_display_power_get+0x95/0xc0 [i915]
 __gt_unpark+0x2c/0x70 [i915]
 __intel_wakeref_get_first+0x3b/0x80 [i915]
 i915_gem_do_execbuffer+0x18be/0x1e40 [i915]
 ? sock_def_readable+0x37/0x70
 ? unix_stream_sendmsg+0x448/0x480
 ? __pollwait+0xd0/0xd0
 ? i915_gem_execbuffer2_ioctl+0x8c/0x200 [i915]
 i915_gem_execbuffer2_ioctl+0xf1/0x200 [i915]
 ? i915_gem_execbuffer_ioctl+0x2a0/0x2a0 [i915]
 drm_ioctl_kernel+0x86/0xd0 [drm]
 drm_ioctl+0x20f/0x3c0 [drm]
 ? i915_gem_execbuffer_ioctl+0x2a0/0x2a0 [i915]
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f1f88aae4eb
Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 b9 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffdb737a0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00005573db9c9088 RCX: 00007f1f88aae4eb
RDX: 00007ffdb737a0f0 RSI: 0000000040406469 RDI: 0000000000000010
RBP: 00007ffdb737a180 R08: 0000000000000020 R09: 0000000000005021
R10: 0000000000001021 R11: 0000000000000246 R12: 00007f1f63fffce0
R13: 0000000000000000 R14: 00007ffdb737a0f0 R15: 0000000000000010