[21371.878297] WARNING: CPU: 0 PID: 23887 at drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:88 dm_dp_aux_transfer+0xa5/0xb0 [amdgpu]
[21371.878299] Modules linked in: rfcomm fuse bnep nct6775 hwmon_vid amdkfd amd_iommu_v2 amdgpu nls_iso8859_1 nls_cp437 vfat fat intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel btusb btrtl btbcm btintel kvm bluetooth ofpart chash cmdlinepart gpu_sched ttm ecdh_generic intel_spi_platform crct10dif_pclmul crc32_pclmul intel_spi rfkill spi_nor drm_kms_helper crc16 mtd iTCO_wdt iTCO_vendor_support input_leds gpio_ich led_class mxm_wmi ghash_clmulni_intel pcbc snd_hda_codec_realtek drm snd_hda_codec_generic snd_hda_codec_hdmi aesni_intel snd_hda_intel aes_x86_64 crypto_simd joydev cryptd snd_hda_codec glue_helper agpgart intel_cstate syscopyarea sysfillrect intel_uncore sysimgblt intel_rapl_perf igb pcspkr snd_hda_core fb_sys_fops snd_hwdep i2c_algo_bit snd_pcm dca e1000e mei_me snd_timer
[21371.878325]  i2c_i801 mousedev evdev snd pcc_cpufreq mei wmi lpc_ich soundcore mac_hid crypto_user ip_tables x_tables btrfs libcrc32c crc32c_generic xor zstd_decompress zstd_compress xxhash raid6_pq sd_mod ahci libahci libata crc32c_intel scsi_mod
[21371.878335] CPU: 0 PID: 23887 Comm: kworker/0:2 Tainted: G        W         4.18.16-arch1-1-ARCH #1
[21371.878336] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z87 Extreme6, BIOS P2.40 07/08/2014
[21371.878365] Workqueue: events dm_irq_work_func [amdgpu]
[21371.878392] RIP: 0010:dm_dp_aux_transfer+0xa5/0xb0 [amdgpu]
[21371.878393] Code: be 01 00 00 00 48 8b bf 58 04 00 00 5b e9 c3 03 08 00 4c 8b 46 08 8b 0e 31 d2 31 f6 48 8b bf 58 04 00 00 e8 4d 04 08 00 eb c6 <0f> 0b 48 c7 c0 f9 ff ff ff 5b c3 0f 1f 44 00 00 53 48 89 fb 48 83 
[21371.878410] RSP: 0018:ffff98f20ccd7ab8 EFLAGS: 00010286
[21371.878410] RAX: 0000000000000005 RBX: 0000000000000007 RCX: 0000000000000238
[21371.878411] RDX: 0000000000000001 RSI: ffff98f20ccd7b38 RDI: ffff96f4fcdb98a0
[21371.878411] RBP: ffff96f4fcdb98a0 R08: 00000000000270c0 R09: fffffffffffffffb
[21371.878412] R10: fffff5a7c4c7ee80 R11: ffff98f20ccd7898 R12: ffff98f20ccd7b38
[21371.878412] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc09b8314
[21371.878413] FS:  0000000000000000(0000) GS:ffff96f51ec00000(0000) knlGS:0000000000000000
[21371.878414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[21371.878414] CR2: 00007f54b8000010 CR3: 00000002aca0a001 CR4: 00000000001606f0
[21371.878415] Call Trace:
[21371.878422]  drm_dp_i2c_do_msg+0x90/0x290 [drm_kms_helper]
[21371.878426]  drm_dp_i2c_xfer+0x155/0x250 [drm_kms_helper]
[21371.878429]  __i2c_transfer+0x113/0x430
[21371.878430]  i2c_transfer+0x51/0xc0
[21371.878438]  drm_do_probe_ddc_edid+0xbe/0x140 [drm]
[21371.878445]  ? drm_edid_to_sad+0x1d0/0x1d0 [drm]
[21371.878450]  drm_do_get_edid+0x149/0x310 [drm]
[21371.878456]  drm_get_edid+0x66/0x380 [drm]
[21371.878482]  dm_helpers_read_local_edid+0x51/0xe0 [amdgpu]
[21371.878508]  dc_link_detect+0x4d9/0xbb0 [amdgpu]
[21371.878511]  ? _raw_spin_unlock_irq+0x1d/0x30
[21371.878537]  handle_hpd_irq+0x3f/0x90 [amdgpu]
[21371.878562]  dm_irq_work_func+0x4e/0x60 [amdgpu]
[21371.878564]  process_one_work+0x1eb/0x3c0
[21371.878566]  worker_thread+0x2d/0x3d0
[21371.878567]  ? process_one_work+0x3c0/0x3c0
[21371.878568]  kthread+0x112/0x130
[21371.878570]  ? kthread_flush_work_fn+0x10/0x10
[21371.878571]  ret_from_fork+0x35/0x40
[21371.878573] ---[ end trace 53aabd6e2150ca15 ]---
[21380.991145] [drm:generic_reg_wait [amdgpu]] *ERROR* REG_WAIT timeout 10us * 3500 tries - dce_mi_free_dmif line:636
[21380.991181] WARNING: CPU: 4 PID: 838 at drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c:254 generic_reg_wait+0xe7/0x160 [amdgpu]
[21380.991181] Modules linked in: rfcomm fuse bnep nct6775 hwmon_vid amdkfd amd_iommu_v2 amdgpu nls_iso8859_1 nls_cp437 vfat fat intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel btusb btrtl btbcm btintel kvm bluetooth ofpart chash cmdlinepart gpu_sched ttm ecdh_generic intel_spi_platform crct10dif_pclmul crc32_pclmul intel_spi rfkill spi_nor drm_kms_helper crc16 mtd iTCO_wdt iTCO_vendor_support input_leds gpio_ich led_class mxm_wmi ghash_clmulni_intel pcbc snd_hda_codec_realtek drm snd_hda_codec_generic snd_hda_codec_hdmi aesni_intel snd_hda_intel aes_x86_64 crypto_simd joydev cryptd snd_hda_codec glue_helper agpgart intel_cstate syscopyarea sysfillrect intel_uncore sysimgblt intel_rapl_perf igb pcspkr snd_hda_core fb_sys_fops snd_hwdep i2c_algo_bit snd_pcm dca e1000e mei_me snd_timer
[21380.991204]  i2c_i801 mousedev evdev snd pcc_cpufreq mei wmi lpc_ich soundcore mac_hid crypto_user ip_tables x_tables btrfs libcrc32c crc32c_generic xor zstd_decompress zstd_compress xxhash raid6_pq sd_mod ahci libahci libata crc32c_intel scsi_mod
[21380.991214] CPU: 4 PID: 838 Comm: Xorg Tainted: G        W         4.18.16-arch1-1-ARCH #1
[21380.991214] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z87 Extreme6, BIOS P2.40 07/08/2014
[21380.991241] RIP: 0010:generic_reg_wait+0xe7/0x160 [amdgpu]
[21380.991241] Code: 44 24 58 8b 54 24 48 89 de 44 89 4c 24 08 48 8b 4c 24 50 48 c7 c7 68 e2 f5 c0 e8 f4 bc c8 ff 83 7d 20 01 44 8b 4c 24 08 74 02 <0f> 0b 48 83 c4 10 44 89 c8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 41 0f 
[21380.991255] RSP: 0018:ffff98f20210b6a0 EFLAGS: 00010297
[21380.991256] RAX: 0000000000000000 RBX: 000000000000000a RCX: 0000000000000001
[21380.991256] RDX: 0000000000000000 RSI: ffffffff91cab7d6 RDI: 00000000ffffffff
[21380.991257] RBP: ffff96f4fe3a8d00 R08: 0000441faa848f00 R09: 0000000000000002
[21380.991257] R10: 00000000000004e1 R11: 0000000000004648 R12: 0000000000000dad
[21380.991258] R13: 00000000000035af R14: 0000000000000010 R15: 0000000000000001
[21380.991259] FS:  00007fa2873bae00(0000) GS:ffff96f51ed00000(0000) knlGS:0000000000000000
[21380.991259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[21380.991260] CR2: 000056237e4cb588 CR3: 00000003f283a003 CR4: 00000000001606e0
[21380.991260] Call Trace:
[21380.991290]  dce_mi_free_dmif+0xf8/0x180 [amdgpu]
[21380.991317]  dce110_reset_hw_ctx_wrap+0x149/0x1e0 [amdgpu]
[21380.991344]  dce110_apply_ctx_to_hw+0x52/0xa30 [amdgpu]
[21380.991369]  ? hwmgr_handle_task+0x6b/0xc0 [amdgpu]
[21380.991395]  ? pp_dpm_dispatch_tasks+0x41/0x60 [amdgpu]
[21380.991413]  ? amdgpu_pm_compute_clocks.part.8+0xb7/0x530 [amdgpu]
[21380.991439]  dc_commit_state+0x2d1/0x550 [amdgpu]
[21380.991465]  ? set_freesync_on_streams.part.6+0x4d/0x250 [amdgpu]
[21380.991490]  ? mod_freesync_set_user_enable+0x11f/0x150 [amdgpu]
[21380.991516]  amdgpu_dm_atomic_commit_tail+0x37c/0xd70 [amdgpu]
[21380.991520]  ? preempt_count_add+0x68/0xa0
[21380.991522]  ? _raw_spin_lock_irq+0x1a/0x40
[21380.991523]  ? _raw_spin_unlock_irq+0x1d/0x30
[21380.991525]  ? wait_for_common+0x113/0x190
[21380.991526]  ? _raw_spin_unlock_irq+0x1d/0x30
[21380.991527]  ? wait_for_common+0x113/0x190
[21380.991553]  ? dm_plane_helper_cleanup_fb+0x120/0x120 [amdgpu]
[21380.991558]  commit_tail+0x3d/0x70 [drm_kms_helper]
[21380.991561]  drm_atomic_helper_commit+0x103/0x110 [drm_kms_helper]
[21380.991565]  restore_fbdev_mode_atomic+0x1a8/0x210 [drm_kms_helper]
[21380.991568]  drm_fb_helper_restore_fbdev_mode_unlocked+0x45/0x90 [drm_kms_helper]
[21380.991572]  drm_fb_helper_set_par+0x29/0x50 [drm_kms_helper]
[21380.991574]  fb_set_var+0x212/0x3e0
[21380.991576]  ? __switch_to_asm+0x40/0x70
[21380.991577]  ? __switch_to_asm+0x34/0x70
[21380.991578]  ? __switch_to_asm+0x40/0x70
[21380.991579]  ? __switch_to_asm+0x40/0x70
[21380.991580]  ? __switch_to_asm+0x34/0x70
[21380.991582]  ? __switch_to_asm+0x40/0x70
[21380.991583]  ? __switch_to_asm+0x34/0x70
[21380.991584]  ? __switch_to_asm+0x40/0x70
[21380.991585]  ? __switch_to_asm+0x34/0x70
[21380.991586]  ? __switch_to_asm+0x40/0x70
[21380.991587]  ? __switch_to_asm+0x34/0x70
[21380.991588]  ? __switch_to_asm+0x40/0x70
[21380.991589]  ? __switch_to_asm+0x34/0x70
[21380.991590]  ? __switch_to_asm+0x40/0x70
[21380.991591]  ? __switch_to_asm+0x34/0x70
[21380.991593]  fbcon_blank+0x26e/0x310
[21380.991596]  do_unblank_screen+0x9b/0x150
[21380.991597]  complete_change_console+0x54/0xd0
[21380.991598]  vt_ioctl+0x10cb/0x1110
[21380.991600]  ? _raw_spin_unlock+0x16/0x30
[21380.991602]  ? do_wp_page+0x26b/0x5a0
[21380.991603]  tty_ioctl+0x220/0x890
[21380.991606]  do_vfs_ioctl+0xa4/0x620
[21380.991608]  ksys_ioctl+0x60/0x90
[21380.991609]  __x64_sys_ioctl+0x16/0x20
[21380.991611]  do_syscall_64+0x5b/0x170
[21380.991612]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[21380.991614] RIP: 0033:0x7fa28a3c280b
[21380.991614] Code: 0f 1e fa 48 8b 05 55 b6 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 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 25 b6 0c 00 f7 d8 64 89 01 48 
[21380.991628] RSP: 002b:00007fffeebb7518 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
[21380.991629] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa28a3c280b
[21380.991629] RDX: 0000000000000001 RSI: 0000000000005605 RDI: 000000000000000d
[21380.991630] RBP: 00005649aeee87f8 R08: 00005649aee8a6cc R09: 00007fffeebb7210
[21380.991630] R10: 0000000000000007 R11: 0000000000003246 R12: ffffffffffffffe0
[21380.991630] R13: 00000000ffffffff R14: 000000000000000b R15: 00007fa2873bad80
[21380.991632] ---[ end trace 53aabd6e2150ca16 ]---
[21381.045678] audit: type=1130 audit(1540626345.736:117): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=getty@tty2 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[21382.859462] WARNING: CPU: 0 PID: 23887 at drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:88 dm_dp_aux_transfer+0xa5/0xb0 [amdgpu]
[21382.859463] Modules linked in: rfcomm fuse bnep nct6775 hwmon_vid amdkfd amd_iommu_v2 amdgpu nls_iso8859_1 nls_cp437 vfat fat intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel btusb btrtl btbcm btintel kvm bluetooth ofpart chash cmdlinepart gpu_sched ttm ecdh_generic intel_spi_platform crct10dif_pclmul crc32_pclmul intel_spi rfkill spi_nor drm_kms_helper crc16 mtd iTCO_wdt iTCO_vendor_support input_leds gpio_ich led_class mxm_wmi ghash_clmulni_intel pcbc snd_hda_codec_realtek drm snd_hda_codec_generic snd_hda_codec_hdmi aesni_intel snd_hda_intel aes_x86_64 crypto_simd joydev cryptd snd_hda_codec glue_helper agpgart intel_cstate syscopyarea sysfillrect intel_uncore sysimgblt intel_rapl_perf igb pcspkr snd_hda_core fb_sys_fops snd_hwdep i2c_algo_bit snd_pcm dca e1000e mei_me snd_timer
[21382.859489]  i2c_i801 mousedev evdev snd pcc_cpufreq mei wmi lpc_ich soundcore mac_hid crypto_user ip_tables x_tables btrfs libcrc32c crc32c_generic xor zstd_decompress zstd_compress xxhash raid6_pq sd_mod ahci libahci libata crc32c_intel scsi_mod
[21382.859500] CPU: 0 PID: 23887 Comm: kworker/0:2 Tainted: G        W         4.18.16-arch1-1-ARCH #1
[21382.859501] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z87 Extreme6, BIOS P2.40 07/08/2014
[21382.859530] Workqueue: events dm_irq_work_func [amdgpu]
[21382.859557] RIP: 0010:dm_dp_aux_transfer+0xa5/0xb0 [amdgpu]
[21382.859557] Code: be 01 00 00 00 48 8b bf 58 04 00 00 5b e9 c3 03 08 00 4c 8b 46 08 8b 0e 31 d2 31 f6 48 8b bf 58 04 00 00 e8 4d 04 08 00 eb c6 <0f> 0b 48 c7 c0 f9 ff ff ff 5b c3 0f 1f 44 00 00 53 48 89 fb 48 83 
[21382.859574] RSP: 0018:ffff98f20ccd7ab8 EFLAGS: 00010286
[21382.859575] RAX: 0000000000000005 RBX: 0000000000000007 RCX: 0000000000000238
[21382.859576] RDX: 0000000000000001 RSI: ffff98f20ccd7b38 RDI: ffff96f4fcdb98a0
[21382.859576] RBP: ffff96f4fcdb98a0 R08: 00000000000270c0 R09: fffffffffffffffb
[21382.859577] R10: fffff5a7c4c7ee80 R11: ffff98f20ccd7898 R12: ffff98f20ccd7b38
[21382.859577] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc09b8314
[21382.859578] FS:  0000000000000000(0000) GS:ffff96f51ec00000(0000) knlGS:0000000000000000
[21382.859579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[21382.859579] CR2: 00007fa2867a3000 CR3: 00000002aca0a006 CR4: 00000000001606f0
[21382.859580] Call Trace:
[21382.859587]  drm_dp_i2c_do_msg+0x90/0x290 [drm_kms_helper]
[21382.859590]  drm_dp_i2c_xfer+0x155/0x250 [drm_kms_helper]
[21382.859593]  __i2c_transfer+0x113/0x430
[21382.859594]  i2c_transfer+0x51/0xc0
[21382.859602]  drm_do_probe_ddc_edid+0xbe/0x140 [drm]
[21382.859609]  ? drm_edid_to_sad+0x1d0/0x1d0 [drm]
[21382.859614]  drm_do_get_edid+0x149/0x310 [drm]
[21382.859620]  drm_get_edid+0x66/0x380 [drm]
[21382.859646]  dm_helpers_read_local_edid+0x51/0xe0 [amdgpu]
[21382.859672]  dc_link_detect+0x4d9/0xbb0 [amdgpu]
[21382.859676]  ? _raw_spin_unlock_irq+0x1d/0x30
[21382.859702]  handle_hpd_irq+0x3f/0x90 [amdgpu]
[21382.859729]  dm_irq_work_func+0x4e/0x60 [amdgpu]
[21382.859732]  process_one_work+0x1eb/0x3c0
[21382.859733]  worker_thread+0x2d/0x3d0
[21382.859734]  ? process_one_work+0x3c0/0x3c0
[21382.859736]  kthread+0x112/0x130
[21382.859737]  ? kthread_flush_work_fn+0x10/0x10
[21382.859739]  ret_from_fork+0x35/0x40
[21382.859741] ---[ end trace 53aabd6e2150ca17 ]---
[21382.988875] [drm] amdgpu_dm_irq_schedule_work FAILED src 2