Backtrace

WARNING: CPU: 0 PID: 2222 at drivers/gpu/drm/drm_vblank.c:730 drm_crtc_vblank_helper_get_vblank_timestamp_internal+0x366/0x380
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer 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_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables qrtr bnep binfmt_misc uvcvideo iwldvm uvc videobuf2_vmalloc mac80211 videobuf2_memops videobuf2_v4l2 videobuf2_common snd_hda_codec_hdmi libarc4 coretemp snd_hda_codec_realtek videodev snd_hda_codec_generic mc btusb snd_hda_scodec_component btrtl snd_hda_intel kvm_intel iwlwifi snd_intel_dspcfg acer_wmi snd_intel_sdw_acpi btintel btbcm kvm snd_hda_codec i2c_i801 btmtk cfg80211 sparse_keymap iTCO_wdt snd_hda_core i2c_smbus pcspkr intel_pmc_bxt bluetooth iTCO_vendor_support platform_profile wmi_bmof snd_hwdep snd_seq snd_seq_device jmb38x_ms snd_pcm pktcdvd lpc_ich irqbypass memstick snd_timer acpi_cpufreq rfkill snd joydev soundcore loop zram lz4hc_compress lz4_compress nouveau sha512_ssse3 sdhci_pci drm_ttm_helper
 sdhci_uhs2 sdhci sha256_ssse3 ttm gpu_sched sha1_ssse3 i2c_algo_bit drm_gpuvm drm_exec mxm_wmi drm_display_helper cqhci mmc_core yenta_socket cec tg3 video wmi serio_raw ata_generic pata_acpi sunrpc iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi i2c_dev fuse nfnetlink
CPU: 0 UID: 1000 PID: 2222 Comm: KMS thread Tainted: G        W           6.15.10-200.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [W]=WARN
Hardware name: Acer, inc. TN               /Monserrat        , BIOS v0.3611 10/17/2008
RIP: 0010:drm_crtc_vblank_helper_get_vblank_timestamp_internal+0x366/0x380
Code: 50 4d 85 e4 75 03 4c 8b 23 48 89 df e8 63 e6 02 00 48 c7 c1 e8 91 ec ac 4c 89 e2 48 c7 c7 79 7a f6 ac 48 89 c6 e8 5a 16 49 ff <0f> 0b e9 9a fd ff ff e8 1e 4c 5d 00 66 66 2e 0f 1f 84 00 00 00 00
RSP: 0018:ffffd5414627fa60 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8e8a410ee0c8 RCX: 0000000000000027
RDX: ffff8e8a7bc1cbc8 RSI: 0000000000000001 RDI: ffff8e8a7bc1cbc0
RBP: ffffd5414627fad0 R08: 0000000000000000 R09: ffffd5414627f908
R10: ffffffffad93bfc8 R11: 00000000ffffdfff R12: ffff8e8a409d62e0
R13: ffff8e8a5347f0a8 R14: 0000000000000000 R15: ffffffffc0b0fd80
FS:  00007fe855fff6c0(0000) GS:ffff8e8acd470000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8401f6314c CR3: 000000001aec2000 CR4: 00000000000026f0
Call Trace:
 <TASK>
 drm_crtc_get_last_vbltimestamp+0x55/0x90
 drm_crtc_vblank_on_config+0xf3/0x250
 drm_crtc_vblank_on+0x43/0x60
 nv50_disp_atomic_commit_tail+0x330/0x780 [nouveau]
 nv50_disp_atomic_commit.part.0+0x174/0x1a0 [nouveau]
 drm_atomic_commit+0xb1/0xe0
 ? __pfx___drm_printfn_info+0x10/0x10
 drm_atomic_connector_commit_dpms+0xfa/0x110
 drm_mode_obj_set_property_ioctl+0x1b6/0x430
 ? __pfx_drm_mode_obj_set_property_ioctl+0x10/0x10
 drm_ioctl_kernel+0xae/0x100
 drm_ioctl+0x2a8/0x540
 ? __pfx_drm_mode_obj_set_property_ioctl+0x10/0x10
 nouveau_drm_ioctl+0x58/0xb0 [nouveau]
 __x64_sys_ioctl+0x97/0xc0
 do_syscall_64+0x7b/0x160
 ? __irq_exit_rcu+0x4c/0xf0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fe870efea6d
Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
RSP: 002b:00007fe855ffd970 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe83001a230 RCX: 00007fe870efea6d
RDX: 00007fe855ffda00 RSI: 00000000c01864ba RDI: 000000000000000c
RBP: 00007fe855ffd9c0 R08: 0000000000000000 R09: 00007fe870ff6ac0
R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe855ffda00
R13: 00000000c01864ba R14: 000000000000000c R15: 00007fe855ffdbc8
 </TASK>