Backtrace

WARNING: CPU: 6 PID: 1673 at drivers/gpu/drm/i915/display/intel_cdclk.c:850 skl_get_cdclk+0x26c/0x2a0 [i915]
Modules linked in: rfcomm uinput xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio cmac snd_soc_skl_ssp_clk snd_soc_dmic bnep snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core 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 snd_hda_codec x86_pkg_temp_thermal
 intel_powerclamp sunrpc coretemp mac80211 snd_hda_core iTCO_wdt kvm_intel ac97_bus intel_pmc_bxt snd_hwdep mei_hdcp iTCO_vendor_support intel_rapl_msr snd_seq libarc4 kvm uvcvideo snd_seq_device iwlwifi btusb vfat videobuf2_vmalloc videobuf2_memops fat btrtl irqbypass videobuf2_v4l2 rapl btbcm btintel intel_cstate intel_uncore snd_pcm bluetooth acer_wmi pcspkr videobuf2_common snd_timer intel_wmi_thunderbolt cfg80211 sparse_keymap wmi_bmof videodev snd processor_thermal_device soundcore processor_thermal_rfim i2c_i801 mei_me i2c_smbus joydev processor_thermal_mbox mc ecdh_generic ucsi_acpi processor_thermal_rapl rfkill mei intel_rapl_common typec_ucsi intel_xhci_usb_role_switch ecc roles intel_soc_dts_iosf intel_pch_thermal idma64 typec int3403_thermal int340x_thermal_zone int3400_thermal acpi_pad acpi_thermal_rel acer_wireless zram ip_tables i915 hid_multitouch i2c_algo_bit drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel nvme drm nvme_core ghash_clmulni_intel
 serio_raw i2c_hid wmi video fuse
CPU: 6 PID: 1673 Comm: gnome-shell Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: Acer Swift SF514-52T/Carlsberg_KL, BIOS V1.11 11/26/2018
RIP: 0010:skl_get_cdclk+0x26c/0x2a0 [i915]
Code: 8b 7d 18 4c 8b 6f 50 4d 85 ed 74 36 e8 fd ec 24 c1 48 c7 c1 68 c0 67 c0 4c 89 ea 48 c7 c7 b0 22 6a c0 48 89 c6 e8 03 e9 5e c1 <0f> 0b 8b 53 04 e9 31 fe ff ff ba 5b b5 04 00 31 c0 89 13 e9 2f ff
RSP: 0018:ffffb1d4018b79f8 EFLAGS: 00010292
RAX: 0000000000000036 RBX: ffffb1d4018b7a24 RCX: 0000000000000027
RDX: ffff9703e6d98ac8 RSI: 0000000000000001 RDI: ffff9703e6d98ac0
RBP: ffff97028bd80000 R08: 0000000000000000 R09: ffffb1d4018b7828
R10: ffffb1d4018b7820 R11: ffffffff82b44f08 R12: ffff97028bd80808
R13: ffff9702816512e0 R14: ffff97028bd86720 R15: ffff97028bd86cf0
FS:  00007f1f8efc3d80(0000) GS:ffff9703e6d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1f8e5a7000 CR3: 0000000142a46004 CR4: 00000000003706e0
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]
 ? enqueue_entity+0x165/0x7b0
 ? enqueue_task_fair+0x8a/0x6a0
 ? ___slab_alloc+0x125/0x5b0
 ? psi_task_change+0x84/0xc0
 ? kvmalloc_node+0x46/0x80
 ? check_preempt_curr+0x2f/0x70
 ? ttwu_do_wakeup+0x17/0x130
 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: 0033:0x7f1f932160ab
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 95 bd 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc946fadb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00005605935d6e20 RCX: 00007f1f932160ab
RDX: 00007ffc946fadd0 RSI: 0000000040406469 RDI: 0000000000000010
RBP: 00007ffc946fae60 R08: 0000000000000020 R09: 0000000000005021
R10: 0000000000001021 R11: 0000000000000246 R12: 00007f1f7aacfdd0
R13: 0000000000000000 R14: 00007ffc946fadd0 R15: 0000000000000010