[Bug 79612] [HSW Bisected]igt/kms_plane causes "WARNING: CPU: 3 PID: 4404 at drivers/gpu/drm/i915/intel_display.c:888 display_crc_ctl_write+0x563/0x75d [i915]()"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79612

--- Comment #8 from Guo Jinxian <jinxianx.guo at intel.com> ---
Created attachment 102054
  --> https://bugs.freedesktop.org/attachment.cgi?id=102054&action=edit
dmesg

This bug still able to reproduce on latest
-fixes(84b4e042c4707bd1bf05094a51111403d680dc39)

[   57.103584] WARNING: CPU: 6 PID: 4217 at
drivers/gpu/drm/i915/intel_display.c:861 display_crc_ctl_write+0x568/0x762
[i915]()
[   57.103585] vblank wait timed out
[   57.103586] Modules linked in: ip6table_filter ip6_tables ipv6
iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod
snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic iTCO_wdt
iTCO_vendor_support serio_raw pcspkr i2c_i801 lpc_ich mfd_core snd_hda_intel
snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore
battery wmi tpm_infineon tpm_tis tpm acpi_cpufreq i915 video button
drm_kms_helper drm
[   57.103599] CPU: 6 PID: 4217 Comm: kms_plane Not tainted
3.16.0-rc2_drm-intel-fixes_84b4e0_20140701+ #104
[   57.103600] Hardware name: ASUS All Series/Z87-EXPERT, BIOS 1008 05/17/2013
[   57.103601]  0000000000000000 0000000000000009 ffffffff8177f9bf
ffff880252b5fe28
[   57.103602]  ffffffff8103983c dead000000200200 ffffffffa00766f7
ffff8802566a8000
[   57.103604]  ffff880250eb0000 ffff880250eb80c8 ffff880255dd3000
0000000000000001
[   57.103605] Call Trace:
[   57.103609]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
[   57.103612]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
[   57.103617]  [<ffffffffa00766f7>] ? display_crc_ctl_write+0x568/0x762 [i915]
[   57.103619]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
[   57.103627]  [<ffffffffa00a29ff>] ? intel_wait_for_vblank+0x77/0x1db [i915]
[   57.103632]  [<ffffffffa00766f7>] ? display_crc_ctl_write+0x568/0x762 [i915]
[   57.103635]  [<ffffffff8110b7fd>] ? vfs_write+0xb0/0x183
[   57.103637]  [<ffffffff8110bbde>] ? SyS_write+0x41/0x84
[   57.103639]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b

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