https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_474/fi-pnv-d510/igt@kms_flip@flip-vs-fences-interruptible.html#dmesg-warnings119

<4> [139.942831] ------------[ cut here ]------------
<4> [139.942851] WARN_ON(debug_locks && !lock_is_held(&(&((obj)->base.resv)->lock.base)->dep_map))
<4> [139.943242] WARNING: CPU: 0 PID: 1203 at drivers/gpu/drm/i915/gem/i915_gem_domain.c:405 i915_gem_object_unpin_from_display_plane+0x70/0x130 [i915]
<4> [139.943263] Modules linked in: snd_hda_intel i915 vgem snd_hda_codec_realtek snd_hda_codec_generic coretemp snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core r8169 lpc_ich snd_pcm realtek prime_numbers [last unloaded: i915]
<4> [139.943347] CPU: 0 PID: 1203 Comm: kms_flip Tainted: G     U            5.6.0-gd0fda5c2cf3f1-drmtip_474+ #1
<4> [139.943363] Hardware name:  /D510MO, BIOS MOPNV10J.86A.0311.2010.0802.2346 08/02/2010
<4> [139.943589] RIP: 0010:i915_gem_object_unpin_from_display_plane+0x70/0x130 [i915]
<4> [139.943589] Code: 85 28 01 00 00 be ff ff ff ff 48 8d 78 60 e8 d7 9b f0 e2 85 c0 75 b9 48 c7 c6 50 b9 38 c0 48 c7 c7 e9 48 3c c0 e8 20 d4 e9 e2 <0f> 0b eb a2 48 c7 c1 08 bb 38 c0 ba 0a 01 00 00 48 c7 c6 88 a3 35
<4> [139.943589] RSP: 0018:ffffb774c0603b48 EFLAGS: 00010282
<4> [139.943589] RAX: 0000000000000000 RBX: ffff9a142fa36e80 RCX: 0000000000000006
<4> [139.943589] RDX: 000000000000160d RSI: ffff9a142c1a88f8 RDI: ffffffffa434a64d
<4> [139.943589] RBP: ffff9a1410a513c0 R08: ffff9a142c1a88f8 R09: 0000000000000000
<4> [139.943589] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9a1436ee94b8
<4> [139.943589] R13: 0000000000000001 R14: 00000000ffffffff R15: ffff9a1410960000
<4> [139.943589] FS:  00007fc73a744e40(0000) GS:ffff9a143da00000(0000) knlGS:0000000000000000
<4> [139.943589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [139.943589] CR2: 00007fc73997e098 CR3: 000000002f5fe000 CR4: 00000000000006f0
<4> [139.943589] Call Trace:
<4> [139.943589]  intel_pin_and_fence_fb_obj+0x1c9/0x1f0 [i915]
<4> [139.943589]  intel_plane_pin_fb+0x3f/0xd0 [i915]
<4> [139.943589]  intel_prepare_plane_fb+0x13b/0x5c0 [i915]
<4> [139.943589]  drm_atomic_helper_prepare_planes+0x85/0x110
<4> [139.943589]  intel_atomic_commit+0xda/0x390 [i915]
<4> [139.943589]  drm_atomic_helper_page_flip+0x9c/0xd0
<4> [139.943589]  ? drm_event_reserve_init+0x46/0x60
<4> [139.943589]  drm_mode_page_flip_ioctl+0x587/0x5d0
<4> [139.943589]  ? drm_mode_cursor2_ioctl+0x10/0x10
<4> [139.943589]  drm_ioctl_kernel+0xb0/0xf0
<4> [139.943589]  drm_ioctl+0x2e1/0x390
<4> [139.943589]  ? drm_mode_cursor2_ioctl+0x10/0x10
<4> [139.943589]  ? __might_fault+0x39/0x90
<4> [139.943589]  ksys_ioctl+0x7b/0x90
<4> [139.943589]  __x64_sys_ioctl+0x11/0x20
<4> [139.943589]  do_syscall_64+0x4f/0x240
<4> [139.943589]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [139.943589] RIP: 0033:0x7fc7392625d7
<4> [139.943589] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [139.943589] RSP: 002b:00007ffefafc8d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [139.943589] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc7392625d7
<4> [139.943589] RDX: 00007ffefafc8d80 RSI: 00000000c01864b0 RDI: 0000000000000005
<4> [139.943589] RBP: 00007ffefafc8d80 R08: 00007ffefafc9091 R09: 0000000000000000
<4> [139.943589] R10: 5f746e6572727563 R11: 0000000000000246 R12: 00000000c01864b0
<4> [139.943589] R13: 0000000000000005 R14: 00007ffefafc9090 R15: 00007ffefafc9090
<4> [139.943589] irq event stamp: 418116
<4> [139.943589] hardirqs last  enabled at (418115): [<ffffffffa3136d4c>] vprintk_emit+0xcc/0x330
<4> [139.943589] hardirqs last disabled at (418116): [<ffffffffa3001e90>] trace_hardirqs_off_thunk+0x1a/0x1c
<4> [139.943589] softirqs last  enabled at (418102): [<ffffffffa3e00385>] __do_softirq+0x385/0x47f
<4> [139.943589] softirqs last disabled at (418095): [<ffffffffa30c088a>] irq_exit+0xba/0xc0
<4> [139.943589] ---[ end trace eb0a5a71c0b849f1 ]---