Backtrace

WARNING: CPU: 4 PID: 14475 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2553 dc_link_set_backlight_level+0x8a/0xf0 [amdgpu]
Modules linked in: xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm 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 sunrpc snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation edac_mce_amd snd_soc_core iwlmvm kvm_amd snd_compress snd_pcm_dmaengine soundwire_cadence squashfs mac80211 kvm snd_hda_codec uvcvideo btusb vfat fat btrtl snd_hda_core libarc4 btbcm videobuf2_vmalloc btintel irqbypass videobuf2_memops ac97_bus videobuf2_v4l2 snd_hwdep loop iwlwifi
 bluetooth rapl snd_seq videobuf2_common snd_seq_device tuxedo_io(OE) clevo_wmi(OE) videodev snd_pcm asus_wmi sp5100_tco tuxedo_keyboard(OE) cfg80211 wmi_bmof sparse_keymap pcspkr joydev k10temp i2c_piix4 mc snd_timer snd ecdh_generic ecc snd_rn_pci_acp3x snd_pci_acp3x soundcore rfkill acpi_cpufreq zram ip_tables dm_crypt amdgpu hid_multitouch iommu_v2 gpu_sched ttm i2c_algo_bit drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel nvme drm serio_raw nvme_core ccp ghash_clmulni_intel r8169 wmi video pinctrl_amd i2c_hid fuse
CPU: 4 PID: 14475 Comm: (sd-bright) Tainted: G           OE     5.10.11-200.fc33.x86_64 #1
Hardware name: TUXEDO TUXEDO Pulse 14 Gen1/PULSE1401, BIOS N.1.06.A01 10/13/2020
RIP: 0010:dc_link_set_backlight_level+0x8a/0xf0 [amdgpu]
Code: 70 03 00 00 31 c0 48 8d 96 c0 01 00 00 48 8b 0a 48 85 c9 74 06 48 3b 59 08 74 20 83 c0 01 48 81 c2 d8 04 00 00 83 f8 06 75 e3 <0f> 0b 45 31 e4 5b 44 89 e0 5d 41 5c 41 5d 41 5e c3 48 98 48 69 c0
RSP: 0018:ffffb88c00f2bd88 EFLAGS: 00010246
RAX: 0000000000000006 RBX: ffffa0b711012800 RCX: 0000000000000000
RDX: ffffa0b75cf01ed0 RSI: ffffa0b75cf00000 RDI: 0000000000000000
RBP: ffffa0b70fbd0000 R08: 00000000000000eb R09: 000000000000000a
R10: 000000000000000a R11: f000000000000000 R12: 000000000000ec01
R13: 0000000000000000 R14: 000000000000ecdd R15: ffffa0b75fbe3220
FS:  00007efd1ee26080(0000) GS:ffffa0bdef700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd2011d860 CR3: 0000000105a18000 CR4: 0000000000350ee0
Call Trace:
 amdgpu_dm_backlight_update_status+0xb4/0xc0 [amdgpu]
 backlight_device_set_brightness+0x6e/0x110
 ? copyin+0x2d/0x40
 brightness_store+0x3b/0x50
 kernfs_fop_write_iter+0x124/0x1b0
 new_sync_write+0x108/0x180
 vfs_write+0x1bc/0x270
 ksys_write+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7efd1fde6297
Code: 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
RSP: 002b:00007ffc9ac37e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efd1fde6297
RDX: 0000000000000004 RSI: 00007ffc9ac37f10 RDI: 0000000000000003
RBP: 00007ffc9ac37f10 R08: 0000000000000000 R09: 00007efd1feb8a60
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 000055bde5625d60 R14: 0000000000000004 R15: 00007efd1feb9720