[Bug 79612] New: [HSW Regression]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

          Priority: high
            Bug ID: 79612
          Keywords: bisect_pending
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW Regression]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]()"
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 100381
  --> https://bugs.freedesktop.org/attachment.cgi?id=100381&action=edit
dmesg

==System Environment==
--------------------------
Regression: yes. 
Good commit on -next-queued:4c0e552882114d1edb588242d45035246ab078a0

Non-working platforms: HSW

==kernel==
--------------------------
origin/drm-intel-nightly: 455a8fc4304af51a913e33763b72dd2849c11d0c(fails)
    drm-intel-nightly: 2014y-06m-02d-19h-49m-25s integration manifest
origin/drm-intel-next-queued: 866997c6fc0d3ed9fa35770d23ba2f48c17919c7(fails)
    drm/i915: Drop unused lut tables from intel_plane
origin/drm-intel-fixes: d23db88c3ab233daed18709e3a24d6c95344117f(works)
    drm/i915: Prevent negative relocation deltas from wrapping

==Bug detailed description==
-----------------------------
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]()"

Failed cases list:
igt/kms_plane/plane-position-covered-pipe-B-plane-1
igt/kms_plane/plane-position-covered-pipe-C-plane-1
igt/kms_plane/plane-position-covered-pipe-C-plane-2

Dmesg shows:
[  150.978613] WARNING: CPU: 3 PID: 4404 at
drivers/gpu/drm/i915/intel_display.c:888 display_crc_ctl_write+0x563/0x75d
[i915]()
[  150.978614] vblank wait timed out
[  150.978615] Modules linked in: dm_mod snd_hda_codec_realtek
snd_hda_codec_hdmi snd_hda_codec_generic iTCO_wdt iTCO_vendor_support dcdbas
serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec
snd_hwdep lpc_ich shpchp mfd_core snd_pcm snd_timer snd soundcore battery
acpi_cpufreq i915 video button drm_kms_helper drm
[  150.978627] CPU: 3 PID: 4404 Comm: kms_plane Not tainted
3.15.0-rc3_drm-intel-next-queued_866997_20140603+ #3210
[  150.978628] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A03
09/17/2013
[  150.978630]  0000000000000000 0000000000000009 ffffffff81723690
ffff880002af7e28
[  150.978631]  ffffffff8103517a dead000000200200 ffffffffa0073aac
ffff880119b58000
[  150.978633]  ffff880002ca0000 ffff880002ca8068 ffff8800db3f9800
0000000000000001
[  150.978634] Call Trace:
[  150.978638]  [<ffffffff81723690>] ? dump_stack+0x41/0x51
[  150.978641]  [<ffffffff8103517a>] ? warn_slowpath_common+0x73/0x8b
[  150.978646]  [<ffffffffa0073aac>] ? display_crc_ctl_write+0x563/0x75d [i915]
[  150.978647]  [<ffffffff8103522a>] ? warn_slowpath_fmt+0x45/0x4a
[  150.978655]  [<ffffffffa009ce90>] ? intel_wait_for_vblank+0x77/0x1db [i915]
[  150.978660]  [<ffffffffa0073aac>] ? display_crc_ctl_write+0x563/0x75d [i915]
[  150.978663]  [<ffffffff810e0b64>] ? vfs_write+0xba/0x176
[  150.978665]  [<ffffffff810e0f1c>] ? SyS_write+0x41/0x84
[  150.978668]  [<ffffffff8172de62>] ? system_call_fastpath+0x16/0x1b

==Reproduce steps==
---------------------------- 
1. ./kms_plane --run-subtest plane-position-covered-pipe-B-plane-1

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