[Bug 92172] New: Intel Graphic Drivers don't detect Chrontel CH7511B DP to LVDS bridge

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 28 18:00:13 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=92172

            Bug ID: 92172
           Summary: Intel Graphic Drivers don't detect Chrontel CH7511B DP
                    to LVDS bridge
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: adolfo_sm_cr at hotmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 118507
  --> https://bugs.freedesktop.org/attachment.cgi?id=118507&action=edit
dmesg file

O.S: Ubuntu 14.10
Kernel 4.2
Intel Bay Trail I

Using DP to LVDS converter CH7511B
1) There is signal on the monitor before entering to Operating System
2) There is signal on the monitor if using Windows 7
3) There is no signal on the monitor if using Ubuntu 14.10

-xrandr shows output disconnected 

-attached dmesg with drm.debug=0xe

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