Backtrace

WARNING: CPU: 0 PID: 9999 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2546 dc_link_set_backlight_level+0x8a/0xf0 [amdgpu]
Modules linked in: wireguard(OE) ip6_udp_tunnel udp_tunnel ccm rfcomm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp xt_CT tun bridge stp llc ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc snd_soc_dmic snd_acp3x_rn snd_acp3x_pdm_dma snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine edac_mce_amd kvm_amd kvm rtw88_8822be uvcvideo rtw88_8822b snd_hda_codec_conexant snd_hda_codec_generic btusb snd_hda_codec_hdmi rtw88_pci btrtl snd_hda_intel btbcm videobuf2_vmalloc irqbypass videobuf2_memops btintel rtw88_core rapl snd_intel_dspcfg videobuf2_v4l2 bluetooth pcspkr joydev mac80211 videobuf2_common snd_hda_codec snd_hda_core videodev snd_hwdep snd_seq
 ecdh_generic ecc snd_seq_device snd_pcm vfat fat wmi_bmof mc sp5100_tco i2c_piix4 k10temp snd_rn_pci_acp3x cfg80211 snd_pci_acp3x libarc4 snd_timer thinkpad_acpi ucsi_acpi ledtrig_audio typec_ucsi typec snd soundcore rfkill i2c_scmi acpi_cpufreq ip_tables dm_crypt amdgpu iommu_v2 crct10dif_pclmul crc32_pclmul crc32c_intel gpu_sched i2c_algo_bit ttm drm_kms_helper ghash_clmulni_intel cec sdhci_pci drm cqhci serio_raw sdhci nvme ccp mmc_core nvme_core r8169 wmi video pinctrl_amd fuse
CPU: 0 PID: 9999 Comm: systemd-sleep Tainted: G        W  OE     5.8.18-100.fc31.x86_64 #1
Hardware name: LENOVO 20NECTO1WW/20NECTO1WW, BIOS R11ET31W (1.11 ) 11/20/2019
RIP: 0010:dc_link_set_backlight_level+0x8a/0xf0 [amdgpu]
Code: 30 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 c8 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:ffffafd143683d10 EFLAGS: 00010246
RAX: 0000000000000006 RBX: ffff8b4423819400 RCX: 0000000000000000
RDX: ffff8b43c3321e70 RSI: ffff8b43c3320000 RDI: 0000000000000004
RBP: ffff8b4421b70000 R08: 0000000000000000 R09: ffff8b44227ed168
R10: 0000000000000000 R11: ffff8b4430aaa370 R12: 000000000000cd01
R13: 0000000000000000 R14: 000000000000cd66 R15: 0000000000000001
FS:  00007f801c6c6940(0000) GS:ffff8b4430a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560f93f20df6 CR3: 000000035dbce000 CR4: 00000000003406f0
Call Trace:
 amdgpu_dm_backlight_update_status+0xb1/0xc0 [amdgpu]
 backlight_suspend+0x6a/0x80
 ? backlight_resume+0x80/0x80
 dpm_run_callback+0x4f/0x140
 __device_suspend+0x11c/0x4a0
 dpm_suspend+0x117/0x250
 hibernation_snapshot+0xaf/0x440
 hibernate.cold+0x97/0x217
 state_store+0xcb/0xd0
 kernfs_fop_write+0xce/0x1b0
 vfs_write+0xc7/0x1f0
 ksys_write+0x4f/0xc0
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f801d6544a7
Code: 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 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:00007ffe1f38a0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f801d6544a7
RDX: 0000000000000005 RSI: 00007ffe1f38a1a0 RDI: 0000000000000004
RBP: 00007ffe1f38a1a0 R08: 0000000000000000 R09: 00005622b880dda0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 00005622b880b2f0 R14: 0000000000000005 R15: 00007f801d725700