[Bug 61041] New: [Pineview]I-G-T/testdisplay && VGA 1600x1200 65Hz messing the screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61041

          Priority: medium
            Bug ID: 61041
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [Pineview]I-G-T/testdisplay && VGA 1600x1200 65Hz
                    messing the screen
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: bingx.a.yan at intel.com
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 75032
  --> https://bugs.freedesktop.org/attachment.cgi?id=75032&action=edit
mess-screen.dmesg

Environment:
--------------------------
Kernel: (drm-intel-next-queued)1ca6bae2b153e5037a05685fb89852bcc9556afe
Some additional commit info:
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date:   Fri Jan 18 19:11:38 2013 +0200

    drm/i915: Implement pipe CSC based limited range RGB output

Steps:
---------------------------

./testdisplay -o (the specific mode like below)

CRTS(3):[0]  1600x1200 65 1600 1664 1856 2160 1200 1201 1204 1250 0x5 0x40
175500


Result:
--------------------------
1.The screen is messing.
2.Just on pineview platform,other platforms normal.
3.The model of the monitor: HP 2309p , but other ones we had just don't contain
this mode.
4.I attached the photo and dmesg.

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