[Bug 100022] [BXT][IGT] WARNING at drivers/gpu/drm/i915/intel_display.c:13881 intel_get_pipe_from_connector
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Mar 1 16:19:30 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=100022
--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
[ 219.968336] [drm:intel_enable_pipe [i915]] enabling pipe A
[ 219.968423] [drm:intel_edp_backlight_on.part.22 [i915]]
[ 219.968428] ------------[ cut here ]------------
[ 219.968481] WARNING: CPU: 3 PID: 2457 at
drivers/gpu/drm/i915/intel_display.c:13881
intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 219.968483]
WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 219.968485] Modules linked in: nls_iso8859_1 snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec
snd_hda_core snd_hwdep snd_pcm intel_rapl x86_pkg_temp_thermal coretemp
kvm_intel snd_seq_midi snd_seq_midi_event kvm snd_rawmidi irqbypass
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_seq snd_seq_device
serio_raw snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd
lpc_ich snd mei_me shpchp soundcore mei rfkill_gpio mac_hid intel_pmc_ipc
parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid igb
ahci i915 xhci_pci dca xhci_hcd ptp sdhci_pci sdhci libahci pps_core i2c_hid
hid video
[ 219.968573] CPU: 3 PID: 2457 Comm: kworker/u8:3 Tainted: G W
4.10.0-tip-201703010159+ #2
[ 219.968575] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS
APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 219.968627] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 219.968629] Call Trace:
[ 219.968640] dump_stack+0x63/0x87
[ 219.968646] __warn+0xd1/0xf0
[ 219.968651] warn_slowpath_fmt+0x4f/0x60
[ 219.968657] ? drm_printk+0x97/0xa0
[ 219.968708] intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 219.968756] intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 219.968804] intel_edp_backlight_on.part.22+0x33/0x40 [i915]
[ 219.968852] intel_edp_backlight_on+0x18/0x20 [i915]
[ 219.968900] intel_enable_ddi+0x94/0xc0 [i915]
[ 219.968950] intel_encoders_enable.isra.93+0x77/0x90 [i915]
[ 219.969000] haswell_crtc_enable+0x310/0x7f0 [i915]
[ 219.969051] intel_update_crtc+0x58/0x100 [i915]
[ 219.969101] skl_update_crtcs+0x218/0x240 [i915]
[ 219.969153] intel_atomic_commit_tail+0x350/0x1000 [i915]
[ 219.969159] ? vtime_account_idle+0xe/0x50
[ 219.969164] ? finish_task_switch+0x107/0x250
[ 219.969214] intel_atomic_commit_work+0x12/0x20 [i915]
[ 219.969219] process_one_work+0x153/0x3f0
[ 219.969223] worker_thread+0x12b/0x4b0
[ 219.969227] kthread+0x101/0x140
[ 219.969230] ? rescuer_thread+0x340/0x340
[ 219.969233] ? kthread_park+0x90/0x90
[ 219.969237] ? do_syscall_64+0x6e/0x180
[ 219.969243] ret_from_fork+0x2c/0x40
[ 219.969246] ---[ end trace 0a8fa19387b9ad6d ]---
[ 219.969295] [drm:intel_panel_enable_backlight [i915]] pipe A
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