Backtrace

WARNING: CPU: 4 PID: 1052 at drivers/gpu/drm/i915/display/intel_display.c:8620 intel_atomic_commit_tail+0x12ab/0x1350 [i915]
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp 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 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 bnep sunrpc vfat fat snd_hda_codec_hdmi snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic intel_rapl_msr intel_rapl_common iwlmvm ledtrig_audio mac80211 btusb snd_hda_intel btrtl snd_intel_dspcfg btbcm snd_intel_sdw_acpi intel_tcc_cooling x86_pkg_temp_thermal btintel intel_powerclamp iTCO_wdt snd_hda_codec libarc4 intel_pmc_bxt mei_hdcp ee1004 snd_hda_core
 iTCO_vendor_support bluetooth snd_hwdep kvm_intel snd_seq iwlwifi snd_seq_device ecdh_generic joydev kvm snd_pcm ecc cfg80211 snd_timer irqbypass snd rapl i2c_i801 intel_cstate soundcore rfkill intel_wmi_thunderbolt i2c_smbus mei_me pcspkr intel_uncore mei intel_pch_thermal ir_rc6_decoder rc_rc6_mce nuvoton_cir acpi_pad binfmt_misc zram ip_tables crct10dif_pclmul i915 crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper sdhci_pci e1000e cqhci cec ghash_clmulni_intel sdhci drm mmc_core wmi video fuse [last unloaded: vboxdrv]
CPU: 4 PID: 1052 Comm: systemd-logind Tainted: G        W IOE     5.13.12-200.fc34.x86_64 #1
Hardware name:  /NUC6i7KYB, BIOS KYSKLi70.86A.0033.2016.0408.1727 04/08/2016
RIP: 0010:intel_atomic_commit_tail+0x12ab/0x1350 [i915]
Code: e8 aa a9 28 ed 48 c7 c1 2d b9 67 c0 4c 89 ea 48 c7 c7 be ad 67 c0 48 89 c6 e8 ac 4b 64 ed 0f 0b e9 32 ee ff ff e8 a0 4b 64 ed <0f> 0b e9 78 f8 ff ff 48 c7 c7 88 7d 65 c0 e8 8d 4b 64 ed 0f 0b e9
RSP: 0018:ffffb8b24150f9f8 EFLAGS: 00010292
RAX: 0000000000000019 RBX: ffff924a47dd6000 RCX: 0000000000000027
RDX: ffff924deed18a08 RSI: 0000000000000001 RDI: ffff924deed18a00
RBP: ffff924d074a4000 R08: ffffffffaec66880 R09: ffffb8b24150f998
R10: 0000000000000001 R11: ffffffffffffffff R12: ffff924a8d818000
R13: ffff924a4bba0000 R14: ffff924a4bba02c0 R15: 0000000000000000
FS:  00007f085941abc0(0000) GS:ffff924deed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f60bb82e500 CR3: 00000001203c2005 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 intel_atomic_commit+0x323/0x3a0 [i915]
 drm_client_modeset_commit_atomic+0x1c4/0x200 [drm]
 drm_client_modeset_commit_locked+0x56/0x150 [drm]
 ? __wake_up_common_lock+0x7a/0x90
 drm_fb_helper_set_par+0x75/0xd0 [drm_kms_helper]
 intel_fbdev_set_par+0x16/0x60 [i915]
 fb_set_var+0x174/0x330
 ? __wake_up_common+0x80/0x180
 fbcon_blank+0x146/0x240
 do_unblank_screen+0xaa/0x150
 vt_ioctl+0x1189/0x1350
 tty_ioctl+0x35a/0x880
 ? security_file_ioctl+0x32/0x50
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x40/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f085a0ac0ab
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 9d bd 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc7a284638 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000563ff548ef50 RCX: 00007f085a0ac0ab
RDX: 0000000000000000 RSI: 0000000000004b3a RDI: 0000000000000009
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 000000000000002d R14: 00007ffc7a284740 R15: 0000563ff54a1b20