[Bug 84031] New: [BDW Regression]snow shows while playing video with "mplayer -vo xv:adaptor=0 MPEG-2.mpeg"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84031

          Priority: high
            Bug ID: 84031
          Keywords: bisect_pending
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW Regression]snow shows while playing video with
                    "mplayer -vo xv:adaptor=0 MPEG-2.mpeg"
        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 106483
  --> https://bugs.freedesktop.org/attachment.cgi?id=106483&action=edit
snapshot

==System Environment==
--------------------------
Regression: Yes.
Good commit on -next-queued: 91565c85b66db820f01894a971d39aaef60c4325
Bad commit on -next-queued: 17c58fe801f5588c5904cc2f15620f7f5a465b53

Non-working platforms: BDW

==kernel==
--------------------------
origin/drm-intel-nightly:3e5e5913a80f593aa8f67784220eac2658034c6c(fails)
    drm-intel-nightly: 2014y-09m-17d-16h-09m-44s UTC integration manifest
origin/drm-intel-next-queued:de6a03dbc12c72e8ddd936071936fe96633c9d05(works)
    drm/i915: Clarify mmio_flip_lock locking
origin/drm-intel-fixes: d72985765e986f45a28f87d75f3f0ece489b04cc(fails)
    drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv


==Bug detailed description==
-----------------------------
Snow shows while playing video with "mplayer -vo xv:adaptor=0 MPEG-2.mpeg".
Please check snapshot on attachment for details. This bug only find on one BDW
device.

Hardware environment:
root at x-bdw09:~# lspci -nnn
00:00.0 Host bridge [0600]: Intel Corporation Broadwell-U Host Bridge -OPI
[8086:1604] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation Broadwell-U
Integrated Graphics [8086:1616] (rev 09)
00:03.0 Audio device [0403]: Intel Corporation Broadwell-U Audio Controller
[8086:160c] (rev 09)
00:14.0 USB controller [0c03]: Intel Corporation Wildcat Point-LP USB xHCI
Controller [8086:9cb1] (rev 03)
00:16.0 Communication controller [0780]: Intel Corporation Wildcat Point-LP MEI
Controller #1 [8086:9cba] (rev 03)
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection (3)
I218-LM [8086:15a2] (rev 03)
00:1f.0 ISA bridge [0601]: Intel Corporation Wildcat Point-LP LPC Controller
[8086:9cc3] (rev 03)
00:1f.2 SATA controller [0106]: Intel Corporation Wildcat Point-LP SATA
Controller [AHCI Mode] [8086:9c83] (rev 03)
00:1f.3 SMBus [0c05]: Intel Corporation Wildcat Point-LP SMBus Controller
[8086:9ca2] (rev 03)
00:1f.6 Signal processing controller [1180]: Intel Corporation Wildcat Point-LP
Thermal Management Controller [8086:9ca4] (rev 03)

==Reproduce steps==
---------------------------- 
1. xinit &
2. mplayer -vo xv:adaptor=0 MPEG-2.mpeg

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