Additional info:
reporter:       libreport-2.14.0
WARNING: CPU: 1 PID: 759 at drivers/gpu/drm/i915/display/intel_display.c:7928 verify_connector_state+0x279/0x2a0 [i915]
Modules linked in: uinput snd_seq_dummy rfcomm snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat ip6table_filter ip6_tables iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter bridge stp llc overlay ccm cmac bnep sunrpc vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iwlmvm snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation mac80211 snd_soc_core x86_pkg_temp_thermal intel_powerclamp snd_compress coretemp snd_pcm_dmaengine ee1004 snd_usb_audio mei_wdt soundwire_cadence mei_hdcp libarc4 kvm_intel iTCO_wdt snd_hda_codec intel_pmc_bxt uvcvideo iTCO_vendor_support kvm btusb snd_hda_core btrtl intel_rapl_msr snd_usbmidi_lib ac97_bus ppdev dell_laptop snd_hwdep snd_rawmidi iwlwifi btbcm ledtrig_audio btintel snd_seq irqbypass rapl videobuf2_vmalloc videobuf2_memops snd_seq_device dell_smm_hwmon videobuf2_v4l2 intel_cstate intel_uncore
 videobuf2_common snd_pcm cfg80211 bluetooth videodev snd_timer joydev pcspkr mc snd dell_wmi soundcore dell_smbios dcdbas processor_thermal_device i2c_i801 processor_thermal_rfim processor_thermal_mbox ecdh_generic ecc i2c_smbus mei_me sparse_keymap dell_wmi_descriptor intel_wmi_thunderbolt processor_thermal_rapl wmi_bmof intel_rapl_common mei intel_soc_dts_iosf ie31200_edac intel_pch_thermal parport_pc parport dell_smo8800 int3400_thermal dell_rbtn rfkill int3403_thermal acpi_thermal_rel acpi_pad int340x_thermal_zone ip_tables amdgpu iommu_v2 gpu_sched radeon i915 rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel drm_ttm_helper ttm e1000e ghash_clmulni_intel i2c_algo_bit drm_kms_helper serio_raw cec drm rtsx_pci wmi video hid_plantronics fuse
CPU: 1 PID: 759 Comm: systemd-logind Not tainted 5.11.16-300.fc34.x86_64 #1
Hardware name: Dell Inc. Precision 3510/0CXHYY, BIOS 1.23.3 08/04/2020
RIP: 0010:verify_connector_state+0x279/0x2a0 [i915]
Code: c7 c7 c0 e6 69 c0 e8 25 36 5c c5 0f 0b e9 ae fe ff ff e8 19 36 5c c5 0f 0b e9 bb fd ff ff 48 c7 c7 90 e6 69 c0 e8 06 36 5c c5 <0f> 0b e9 8f fe ff ff e8 fa 35 5c c5 0f 0b e9 5a fe ff ff e8 ee 35
RSP: 0018:ffffa83400edf970 EFLAGS: 00010282
RAX: 000000000000002c RBX: 0000000000000003 RCX: 0000000000000027
RDX: ffff9c6c2dc58ac8 RSI: 0000000000000001 RDI: ffff9c6c2dc58ac0
RBP: ffff9c69fbbde800 R08: ffffffff86a64ec0 R09: ffffa83400edf910
R10: 0000000000000001 R11: ffffffffffffffff R12: ffff9c69fbcd2cc0
R13: ffff9c68cb76a800 R14: ffff9c68c0ee9000 R15: ffff9c68c0f3b000
FS:  00007f502adafbc0(0000) GS:ffff9c6c2dc40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1970154db8 CR3: 000000010264e004 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 intel_atomic_commit_tail+0x926/0x1370 [i915]
 intel_atomic_commit+0x32b/0x3b0 [i915]
 drm_client_modeset_commit_atomic+0x1c4/0x200 [drm]
 drm_client_modeset_commit_locked+0x56/0x150 [drm]
 drm_fb_helper_set_par+0x75/0xd0 [drm_kms_helper]
 intel_fbdev_set_par+0x16/0x60 [i915]
 fb_set_var+0x174/0x330
 ? ep_poll_callback+0x246/0x290
 fbcon_blank+0x146/0x240
 do_unblank_screen+0xaa/0x150
 vt_ioctl+0x125b/0x15b0
 tty_ioctl+0x372/0x900
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f502ba0e4eb
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:00007ffc69125388 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000555bc2154300 RCX: 00007f502ba0e4eb
RDX: 0000000000000000 RSI: 0000000000004b3a RDI: 0000000000000013
RBP: 0000000000000013 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000001d R14: 00007ffc69125490 R15: 0000555bc219c5b0