[Bug 90012] [ BSW regression] Call trace when starting the system

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90012

--- Comment #1 from Jeff Zheng <jeff.zheng at intel.com> ---
Yes, this issue also exists on drm-intel-testing-2015-04-10

[    4.528751] WARNING: CPU: 3 PID: 741 at
drivers/gpu/drm/i915/intel_audio.c:484
i915_audio_component_get_cdclk_freq+0x37/0x72 [i915]()
[    4.528759] WARN_ON_ONCE(!HAS_DDI(dev_priv))
[    4.528780] Modules linked in: iTCO_wdt iTCO_vendor_support serio_raw pcspkr
i2c_i801 lpc_ich mfd_core snd_hda_intel snd_hda_controller snd_hda_codec
snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq
joydev i915 button video drm_kms_helper drm
[    4.528784] CPU: 3 PID: 741 Comm: kworker/3:1 Not tainted
4.0.0-rc7_drm-intel-testing-2015-04-10+ #1074
[    4.528791] Workqueue: events azx_probe_work [snd_hda_intel]
[    4.528796]  0000000000000000 0000000000000009 ffffffff817958c7
ffff880179d4fd28
[    4.528799]  ffffffff8103bd5a 0000000000000046 ffffffffa00c12bd
ffff88017a2a5000
[    4.528802]  ffff880002c90000 ffff880179c2a800 0000000000000004
ffff880002e03800
[    4.528803] Call Trace:
[    4.528813]  [<ffffffff817958c7>] ? dump_stack+0x40/0x50
[    4.528819]  [<ffffffff8103bd5a>] ? warn_slowpath_common+0x98/0xb0
[    4.528852]  [<ffffffffa00c12bd>] ?
i915_audio_component_get_cdclk_freq+0x37/0x72 [i915]
[    4.528856]  [<ffffffff8103bdb7>] ? warn_slowpath_fmt+0x45/0x4a
[    4.528863]  [<ffffffff81357973>] ? pci_bus_read_config_word+0x70/0x7b
[    4.528896]  [<ffffffffa00c12bd>] ?
i915_audio_component_get_cdclk_freq+0x37/0x72 [i915]
[    4.528901]  [<ffffffffa01f4974>] ? haswell_set_bclk+0x1c/0x91
[snd_hda_intel]
[    4.528906]  [<ffffffffa01f3f33>] ? azx_probe_work+0x391/0x544
[snd_hda_intel]
[    4.528912]  [<ffffffff8104ca7f>] ? process_one_work+0x1b2/0x31d
[    4.528916]  [<ffffffff8104d278>] ? worker_thread+0x24d/0x339
[    4.528920]  [<ffffffff8104d02b>] ? cancel_delayed_work_sync+0xa/0xa
[    4.528924]  [<ffffffff81050b25>] ? kthread+0xce/0xd6
[    4.528928]  [<ffffffff81050a57>] ? kthread_create_on_node+0x162/0x162
[    4.528931]  [<ffffffff8179b0c8>] ? ret_from_fork+0x58/0x90
[    4.528935]  [<ffffffff81050a57>] ? kthread_create_on_node+0x162/0x162
[    4.528937] ---[ end trace 1ecd514f87a6026c ]---
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