Backtrace

WARNING: CPU: 4 PID: 148 at drivers/gpu/drm/drm_mode_config.c:538 drm_mode_config_cleanup+0x291/0x2b0 [drm]
Modules linked in: uinput rfcomm 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 cmac bnep b43 cordic sunrpc mac80211 cfg80211 btusb btrtl btbcm btintel intel_rapl_msr intel_rapl_common bluetooth ssb sb_edac mmc_core x86_pkg_temp_thermal intel_powerclamp ecdh_generic nls_utf8 rfkill coretemp hfsplus libarc4 ecc iTCO_wdt kvm_intel intel_pmc_bxt at24 iTCO_vendor_support kvm irqbypass rapl intel_cstate applesmc uvcvideo intel_uncore snd_usb_audio videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 pcspkr videobuf2_common snd_usbmidi_lib snd_hda_codec_cirrus snd_rawmidi joydev videodev i2c_i801 snd_hda_codec_generic
 i2c_smbus lpc_ich ledtrig_audio mc snd_hda_codec_hdmi bcma mei_me mei snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm ioatdma dca snd_timer snd soundcore apple_mfi_fastcharge thunderbolt apple_gmux apple_bl video zram ip_tables amdgpu iommu_v2 gpu_sched radeon i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec ttm ghash_clmulni_intel drm firewire_ohci tg3 firewire_core crc_itu_t fuse
CPU: 4 PID: 148 Comm: irq/29-pciehp Tainted: G        W         5.8.15-301.fc33.x86_64 #1
Hardware name: Apple Inc. MacPro6,1/Mac-F60DEB81FF30ACF6, BIOS 427.0.0.0.0 12/17/2020
RIP: 0010:drm_mode_config_cleanup+0x291/0x2b0 [drm]
Code: 48 8b 70 48 48 c7 c7 b4 f8 59 c0 e8 a9 f3 ff ff 48 89 e7 e8 d1 90 ff ff 48 85 c0 75 e3 48 89 e7 e8 74 90 ff ff e9 0e fe ff ff <0f> 0b e9 02 ff ff ff 0f 0b 48 83 c4 30 5b 5d 41 5c 41 5d c3 66 66
RSP: 0000:ffffc0acc03bfcb0 EFLAGS: 00010212
RAX: ffff9fd664641908 RBX: ffff9fd763944bb0 RCX: 000000000002f140
RDX: fffff2ebd18ea200 RSI: 0000000000000007 RDI: ffff9fd763944bb0
RBP: ffff9fd763944800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffff9fd762329601 R12: ffff9fd763944bd8
R13: ffff9fd763944a70 R14: ffffffff9414c4b0 R15: ffff9fd76ccc26c0
FS:  0000000000000000(0000) GS:ffff9fd76f900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cc2ebb5a68 CR3: 00000002caa0a001 CR4: 00000000001606e0
Call Trace:
 ? kfree+0x1ea/0x200
 radeon_modeset_fini+0x8d/0xa0 [radeon]
 radeon_driver_unload_kms+0x36/0xa0 [radeon]
 drm_dev_unregister+0x5c/0x90 [drm]
 drm_put_dev+0x27/0x90 [drm]
 pci_device_remove+0x3b/0xa0
 __device_release_driver+0x15c/0x210
 device_release_driver+0x24/0x30
 pci_stop_bus_device+0x68/0x90
 pci_stop_and_remove_bus_device+0xe/0x20
 pciehp_unconfigure_device+0x6c/0x10a
 ? irq_thread_dtor+0xa0/0xa0
 pciehp_disable_slot+0x5b/0xd0
 pciehp_handle_presence_or_link_change+0xb3/0x280
 pciehp_ist+0x10a/0x110
 irq_thread_fn+0x20/0x60
 irq_thread+0xd3/0x170
 ? irq_finalize_oneshot.part.0+0xf0/0xf0
 ? irq_thread_check_affinity+0xc0/0xc0
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30