igt@i915_selftest@live - incomplete - drm_WARN_ON(!intel_irqs_enabled(dev_priv))
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_6488/fi-cfl-8109u/igt@i915_selftest@live.html
<7> [221.858836] i915 0000:00:02.0: [drm:intel_fbc_update [i915]] Enabling FBC on [PLANE:31:plane 1A]
<4> [221.858960] ------------[ cut here ]------------
<4> [221.858977] i915 0000:00:02.0: drm_WARN_ON(!intel_irqs_enabled(dev_priv))
<4> [221.858991] WARNING: CPU: 2 PID: 56 at drivers/gpu/drm/i915/i915_irq.c:445 bdw_update_pipe_irq+0xc5/0x130 [i915]
<4> [221.859066] Modules linked in: i915(-) drm_display_helper drm_kms_helper vgem drm_shmem_helper fuse snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio x86_pkg_temp_thermal coretemp kvm_intel kvm btusb irqbypass ttm crct10dif_pclmul btrtl crc32_pclmul btbcm drm_buddy btintel snd_intel_dspcfg ghash_clmulni_intel bluetooth snd_hda_codec snd_hwdep snd_hda_core ecdh_generic syscopyarea ecc e1000e sysfillrect snd_pcm mei_me sysimgblt ptp i2c_i801 fb_sys_fops pps_core i2c_smbus mei prime_numbers [last unloaded: snd_hda_intel]
<4> [221.859139] CPU: 2 PID: 56 Comm: kworker/2:2 Tainted: G W 5.18.0-CI_DRM_11694-gba77f2196526+ #1
<4> [221.859142] Hardware name: Intel Corporation NUC8i3BEH/NUC8BEB, BIOS BECFL357.86A.0087.2020.1209.1115 12/09/2020
<4> [221.859145] Workqueue: events intel_dp_modeset_retry_work_fn [i915]
<4> [221.859265] RIP: 0010:bdw_update_pipe_irq+0xc5/0x130 [i915]
<4> [221.859339] Code: 48 8b 5f 50 48 85 db 75 03 48 8b 1f e8 14 9e e1 e0 48 c7 c1 10 7c b7 a0 48 89 da 48 c7 c7 bd 88 bc a0 48 89 c6 e8 70 43 19 e1 <0f> 0b 5b 5d 41 5c 41 5d 41 5e c3 48 8d bf b8 17 00 00 be ff ff ff
<4> [221.859342] RSP: 0018:ffffc900002cb950 EFLAGS: 00010082
<4> [221.859346] RAX: 0000000000000000 RBX: ffff8881027868b0 RCX: 0000000000000004
<4> [221.859348] RDX: 0000000080000004 RSI: ffffffff82316c35 RDI: 00000000ffffffff
<4> [221.859351] RBP: 0000000000000000 R08: 0000000000000000 R09: c00000010000b5f2
<4> [221.859353] R10: 00000000007ded38 R11: ffffc900002cb770 R12: 0000000000000001
<4> [221.859355] R13: ffff888122660000 R14: 0000000000000046 R15: 0000000000000438
<4> [221.859357] FS: 0000000000000000(0000) GS:ffff8882b5900000(0000) knlGS:0000000000000000
<4> [221.859359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [221.859362] CR2: 00005564ed6a7000 CR3: 0000000129a36004 CR4: 00000000003706e0
<4> [221.859364] Call Trace:
<4> [221.859366] <TASK>
<4> [221.859372] bdw_enable_vblank+0x55/0x80 [i915]
<4> [221.859449] drm_vblank_enable+0xd9/0x180
<4> [221.859457] drm_vblank_get+0x8d/0xd0
<4> [221.859463] intel_pipe_update_start+0x15c/0x480 [i915]
<4> [221.859582] ? finish_swait+0x80/0x80
<4> [221.859593] intel_update_crtc+0xb9/0x370 [i915]
<4> [221.859714] skl_commit_modeset_enables+0x444/0x4f0 [i915]
<4> [221.859838] intel_atomic_commit_tail+0x6b9/0x1960 [i915]
<4> [221.859957] ? flush_workqueue+0x211/0x530
<4> [221.859979] ? intel_atomic_commit+0x363/0x3e0 [i915]
<4> [221.860093] ? intel_atomic_commit+0x32a/0x3e0 [i915]
<4> [221.860211] intel_atomic_commit+0x363/0x3e0 [i915]
<4> [221.860330] drm_atomic_commit+0x8f/0xc0
<4> [221.860333] ? drm_plane_get_damage_clips.cold.5+0x1c/0x1c
<4> [221.860341] drm_client_modeset_commit_atomic+0x22b/0x270
<4> [221.860363] drm_client_modeset_commit_locked+0x52/0x180
<4> [221.860370] drm_client_modeset_commit+0x1c/0x40
<4> [221.860374] __drm_fb_helper_restore_fbdev_mode_unlocked+0x88/0xb0 [drm_kms_helper]
<4> [221.860387] drm_fb_helper_set_par+0x34/0x40 [drm_kms_helper]
<4> [221.860396] drm_fb_helper_hotplug_event.part.25+0xb5/0xd0 [drm_kms_helper]
<4> [221.860405] drm_kms_helper_connector_hotplug_event+0x21/0x30 [drm_kms_helper]
<4> [221.860414] process_one_work+0x275/0x5c0
<4> [221.860427] worker_thread+0x1ee/0x370
<4> [221.860433] ? process_one_work+0x5c0/0x5c0
<4> [221.860436] kthread+0xef/0x120
<4> [221.860439] ? kthread_complete_and_exit+0x20/0x20
<4> [221.860445] ret_from_fork+0x22/0x30
<4> [221.860462] </TASK>
<4> [221.860464] irq event stamp: 5118938
<4> [221.860466] hardirqs last enabled at (5118937): [<ffffffff81b15140>] _raw_spin_unlock_irqrestore+0x50/0x60
<4> [221.860470] hardirqs last disabled at (5118938): [<ffffffff81b14f07>] _raw_spin_lock_irqsave+0x47/0x50
<4> [221.860473] softirqs last enabled at (5116670): [<ffffffff81e0032d>] __do_softirq+0x32d/0x493
<4> [221.860477] softirqs last disabled at (5116665): [<ffffffff810b8c16>] irq_exit_rcu+0xa6/0xe0
<4> [221.860479] ---[ end trace 0000000000000000 ]---