Backtrace

WARNING: CPU: 0 PID: 12528 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x1b8/0x1d0 [drm]
Modules linked in: 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 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 bnep sunrpc b43 cordic bcma mac80211 nls_utf8 hfsplus cfg80211 iTCO_wdt libarc4 coretemp joydev kvm_intel intel_pmc_bxt iTCO_vendor_support uvcvideo kvm applesmc videobuf2_vmalloc videobuf2_memops btusb videobuf2_v4l2 videobuf2_common btrtl irqbypass snd_hda_codec_realtek btbcm snd_hda_codec_generic ledtrig_audio btintel videodev bluetooth i2c_i801 snd_hda_intel i2c_smbus pcspkr snd_intel_dspcfg snd_intel_sdw_acpi
 snd_hda_codec mc bcm5974 ecdh_generic rfkill snd_hda_core ecc snd_hwdep ssb snd_seq acpi_als kfifo_buf apple_mfi_fastcharge snd_seq_device mmc_core snd_pcm industrialio lpc_ich snd_timer sbs snd sbshc soundcore acpi_cpufreq apple_bl zram ip_tables dm_crypt trusted i915 i2c_algo_bit drm_kms_helper cec drm ata_generic pata_acpi hid_appleir video hid_apple fuse
CPU: 0 PID: 12528 Comm: gnome-shell Not tainted 5.12.7-300.fc34.x86_64 #1
Hardware name: Apple Inc. MacBookAir1,1/Mac-F42C8CC8, BIOS    MBA11.88Z.00BB.B03.0803171226 03/17/08
RIP: 0010:drm_wait_one_vblank+0x1b8/0x1d0 [drm]
Code: fe ff ff 48 8b 7d 08 4c 8b 6f 50 4d 85 ed 74 26 e8 1d 05 3c f2 44 89 e1 4c 89 ea 48 c7 c7 a8 98 44 c0 48 89 c6 e8 75 8c 76 f2 <0f> 0b e9 9d fe ff ff 4c 8b 2f eb 98 4c 8b 2f eb d5 0f 1f 80 00 00
RSP: 0018:ffffa2b9c15bba88 EFLAGS: 00010292
RAX: 0000000000000032 RBX: 000000000001464a RCX: 0000000000000027
RDX: ffff89d53aa185c8 RSI: 0000000000000001 RDI: ffff89d53aa185c0
RBP: ffff89d51bd80000 R08: 0000000000000000 R09: ffffa2b9c15bb8b8
R10: ffffa2b9c15bb8b0 R11: ffffffffb3b45f28 R12: 0000000000000000
R13: ffff89d4c18c21c0 R14: ffff89d51c13ec30 R15: 0000000000000000
FS:  00007f2eb994bd80(0000) GS:ffff89d53aa00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e7c048088 CR3: 0000000027ed0000 CR4: 00000000000006f0
Call Trace:
 ? finish_wait+0x80/0x80
 intel_pre_plane_update+0x24d/0x4f0 [i915]
 intel_update_crtc+0x85/0x4a0 [i915]
 ? finish_wait+0x80/0x80
 intel_commit_modeset_enables+0x5e/0x80 [i915]
 intel_atomic_commit_tail+0x47f/0x1460 [i915]
 ? try_to_wake_up+0x1c1/0x4f0
 ? __queue_work+0x1d1/0x3e0
 intel_atomic_commit+0x323/0x3a0 [i915]
 drm_atomic_helper_set_config+0x70/0xb0 [drm_kms_helper]
 drm_mode_setcrtc+0x1d3/0x6f0 [drm]
 ? drm_mode_getcrtc+0x170/0x170 [drm]
 drm_ioctl_kernel+0x86/0xd0 [drm]
 ? sched_clock_local+0xe/0x80
 drm_ioctl+0x20f/0x3c0 [drm]
 ? drm_mode_getcrtc+0x170/0x170 [drm]
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2ebdb940ab
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:00007ffd2719a308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffd2719a340 RCX: 00007f2ebdb940ab
RDX: 00007ffd2719a340 RSI: 00000000c06864a2 RDI: 000000000000000b
RBP: 00000000c06864a2 R08: 0000000000000000 R09: 000055f14b73dba0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 000055f1491df0e0 R15: 00007ffd2719a528