[Bug 85217] New: Bug 85216 - [BSW]eDP monitor no signal when edp and DP both connected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85217

            Bug ID: 85217
           Summary: Bug 85216 - [BSW]eDP monitor no signal when edp and DP
                    both connected
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: wendy.wang at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 108082
  --> https://bugs.freedesktop.org/attachment.cgi?id=108082&action=edit
dmesg log file

==System Environment==
--------------------------
Regression: No

Non-working platforms: BSW RVP FAB2 which done R10 rework

This is not regression, this issue happened after one bug fix:( 84265 - [BSW
Bisected]System fails to find eDP monitor), which merged up Ville's patch: 

commit e17ac6db2ef99388b750b2141c11974dc5742913
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date:   Thu Oct 9 19:37:15 2014 +0300

    drm/i915: Don't trust the DP_DETECT bit for eDP ports on CHV


==kernel==
--------------------------
origin/drm-intel-nightly: 8d1dbeed28a28ecf964769bf089503f0c90ffdaa(fails)
commit 8d1dbeed28a28ecf964769bf089503f0c90ffdaa
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date: Sun Oct 19 16:54:55 2014 +0200

    drm-intel-nightly: 2014y-10m-19d-14h-54m-38s UTC integration manifest

==Bug detailed description==
Boot up BSW with edp and DP both connected, edp monitor no signal, only DP
monitor has signal

==Reproduce steps==
----------------------------
1. Boot up system with edp and DP connected
2. Observer two displays, will observe only DP monitor has signal, edp panel no
signal.

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