[Bug 58791] New: [ILK] Some modes can't light up on DP display

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58791

          Priority: medium
            Bug ID: 58791
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ILK] Some modes can't light up on DP display
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: yangweix.shui at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 72162
  --> https://bugs.freedesktop.org/attachment.cgi?id=72162&action=edit
Some modes can't light up dmesg

Environment:
-------------------------
Kernel: (drm-intel-next-queued)c0c36b941b6f0be6ac74f340040cbb29d6a0b06c
Some additional commit info:
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Dec 19 16:08:43 2012 +0000

Description:
-------------------------
Testing these modes below, monitor can't light up.

CRTS(3):[0]  1920x1200 60 1920 1968 2000 2080 1200 1203 1209 1235 0x9 0x48
154000
CRTS(3):[0]  1680x945 60 1680 1784 1960 2240 945 946 949 978 0x6 0x0 131481
CRTS(3):[0]  1280x1024 75 1280 1296 1440 1688 1024 1025 1028 1066 0x5 0x40
135000

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