[Bug 211649] "drm/amd/display: reuse current context instead of recreating one" cause hdmi hotplug blackscreen on amdgpu

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=211649

--- Comment #3 from youling257@gmail.com ---
replug hdmi, [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:67:crtc-0] flip_done timed out


[  252.377374] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:67:crtc-0] flip_done timed out

[  262.617295] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [CRTC:67:crtc-0] flip_done timed out

[  270.268771] [drm] amdgpu_dm_irq_schedule_work FAILED src 2
[  272.857440] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [PLANE:55:plane-3] flip_done timed out
[  272.906034] ------------[ cut here ]------------
[  272.906037] WARNING: CPU: 0 PID: 15 at
amdgpu_dm_atomic_commit_tail+0x2582/0x25f0 [amdgpu]
[  272.906404] Modules linked in: nct6775 hwmon_vid ccm binfmt_misc overlay
exportfs kvm_amd kvm crc32c_intel crc32_pclmul snd_hda_codec_realtek
snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel
snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore
snd_intel_dspcfg amdgpu drm_kms_helper cec fb_sys_fops syscopyarea sysfillrect
sysimgblt gpu_sched drm_ttm_helper ttm drm ccp rng_core hid_multitouch btusb
iwlmvm btrtl btintel btbcm bluetooth ecdh_generic ecc mac80211 libarc4 iwlwifi
cfg80211 igb i2c_algo_bit k10temp gpio_amdpt gpio_generic efi_pstore sdcardfs
[  272.906461] CPU: 0 PID: 15 Comm: kworker/0:1 Tainted: G        W        
5.11.0-rc5-android-x86_64+ #1
[  272.906466] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./B450 Gaming-ITX/ac, BIOS P4.10 07/08/2020
[  272.906468] Workqueue: events dm_irq_work_func [amdgpu]
[  272.906826] RIP: 0010:amdgpu_dm_atomic_commit_tail+0x2582/0x25f0 [amdgpu]
[  272.907181] Code: a0 fd ff ff 01 c7 85 9c fd ff ff 37 00 00 00 c7 85 a4 fd
ff ff 20 00 00 00 e8 5a 30 13 00 e9 a0 fa ff ff 0f 0b e9 f0 f8 ff ff <0f> 0b e9
3f f9 ff ff 0f 0b 0f 0b e9 55 f9 ff ff 49 8b 06 41 0f b6
[  272.907185] RSP: 0018:ffffa0a8000a3ab8 EFLAGS: 00210002
[  272.907189] RAX: 0000000000000002 RBX: 0000000000000003 RCX:
ffff996d91211918
[  272.907191] RDX: 0000000000000001 RSI: 0000000000200297 RDI:
ffff996d510a0178
[  272.907194] RBP: ffffa0a8000a3db8 R08: 0000000000000005 R09:
0000000000000000
[  272.907196] R10: ffffa0a8000a3a18 R11: ffffa0a8000a3a1c R12:
0000000000200287
[  272.907198] R13: ffff996d6c35d800 R14: ffff996d91211800 R15:
ffff996d6f4d3600
[  272.907200] FS:  0000000000000000(0000) GS:ffff996e56e00000(0000)
knlGS:0000000000000000
[  272.907203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  272.907206] CR2: 00000000144c2000 CR3: 000000010e262000 CR4:
00000000001506f0
[  272.907209] Call Trace:
[  272.907219]  commit_tail+0x94/0x130 [drm_kms_helper]
[  272.907251]  drm_atomic_helper_commit+0x113/0x140 [drm_kms_helper]
[  272.907280]  dm_restore_drm_connector_state+0xef/0x170 [amdgpu]
[  272.907635]  handle_hpd_irq+0x118/0x150 [amdgpu]
[  272.907990]  dm_irq_work_func+0x49/0x60 [amdgpu]
[  272.908346]  process_one_work+0x1c1/0x3c0
[  272.908353]  worker_thread+0x4d/0x3d0
[  272.908357]  ? rescuer_thread+0x3b0/0x3b0
[  272.908362]  kthread+0x133/0x150
[  272.908367]  ? kthread_create_worker_on_cpu+0x70/0x70
[  272.908373]  ret_from_fork+0x22/0x30
[  272.908379] ---[ end trace 9e7a0ad9c8574ed6 ]---
[  272.908402] ------------[ cut here ]------------
[  272.908403] WARNING: CPU: 0 PID: 15 at
amdgpu_dm_atomic_commit_tail+0x258b/0x25f0 [amdgpu]
[  272.908757] Modules linked in: nct6775 hwmon_vid ccm binfmt_misc overlay
exportfs kvm_amd kvm crc32c_intel crc32_pclmul snd_hda_codec_realtek
snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel
snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore
snd_intel_dspcfg amdgpu drm_kms_helper cec fb_sys_fops syscopyarea sysfillrect
sysimgblt gpu_sched drm_ttm_helper ttm drm ccp rng_core hid_multitouch btusb
iwlmvm btrtl btintel btbcm bluetooth ecdh_generic ecc mac80211 libarc4 iwlwifi
cfg80211 igb i2c_algo_bit k10temp gpio_amdpt gpio_generic efi_pstore sdcardfs
[  272.908803] CPU: 0 PID: 15 Comm: kworker/0:1 Tainted: G        W        
5.11.0-rc5-android-x86_64+ #1
[  272.908807] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./B450 Gaming-ITX/ac, BIOS P4.10 07/08/2020
[  272.908809] Workqueue: events dm_irq_work_func [amdgpu]
[  272.909163] RIP: 0010:amdgpu_dm_atomic_commit_tail+0x258b/0x25f0 [amdgpu]
[  272.909517] Code: ff ff 37 00 00 00 c7 85 a4 fd ff ff 20 00 00 00 e8 5a 30
13 00 e9 a0 fa ff ff 0f 0b e9 f0 f8 ff ff 0f 0b e9 3f f9 ff ff 0f 0b <0f> 0b e9
55 f9 ff ff 49 8b 06 41 0f b6 8e 2d 01 00 00 48 c7 c6 38
[  272.909521] RSP: 0018:ffffa0a8000a3ab8 EFLAGS: 00210086
[  272.909524] RAX: 0000000000000001 RBX: 0000000000000003 RCX:
ffff996d91211918
[  272.909526] RDX: 0000000000000001 RSI: 0000000000200297 RDI:
ffff996d510a0178
[  272.909528] RBP: ffffa0a8000a3db8 R08: 0000000000000005 R09:
0000000000000000
[  272.909530] R10: ffffa0a8000a3a18 R11: ffffa0a8000a3a1c R12:
0000000000200287
[  272.909532] R13: ffff996d6c35d800 R14: ffff996d91211800 R15:
ffff996d6f4d3600
[  272.909534] FS:  0000000000000000(0000) GS:ffff996e56e00000(0000)
knlGS:0000000000000000
[  272.909537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  272.909539] CR2: 00000000144c2000 CR3: 000000010e262000 CR4:
00000000001506f0
[  272.909541] Call Trace:
[  272.909549]  commit_tail+0x94/0x130 [drm_kms_helper]
[  272.909579]  drm_atomic_helper_commit+0x113/0x140 [drm_kms_helper]
[  272.909608]  dm_restore_drm_connector_state+0xef/0x170 [amdgpu]
[  272.909961]  handle_hpd_irq+0x118/0x150 [amdgpu]
[  272.910315]  dm_irq_work_func+0x49/0x60 [amdgpu]
[  272.910669]  process_one_work+0x1c1/0x3c0
[  272.910674]  worker_thread+0x4d/0x3d0
[  272.910678]  ? rescuer_thread+0x3b0/0x3b0
[  272.910682]  kthread+0x133/0x150
[  272.910687]  ? kthread_create_worker_on_cpu+0x70/0x70
[  272.910692]  ret_from_fork+0x22/0x30
[  272.910697] ---[ end trace 9e7a0ad9c8574ed7 ]---

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