[Bug 93915] [BXT-P/ APL] xrandr shows DP panel as disconnect after resume from S3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93915

Matt Roper <matthew.d.roper at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |matthew.d.roper at intel.com
           Assignee|intel-gfx-bugs at lists.freede |bob.j.paauwe at intel.com
                   |sktop.org                   |

--- Comment #2 from Matt Roper <matthew.d.roper at intel.com> ---
(In reply to Humberto Israel Perez Rodriguez from comment #1)
> Created attachment 121374 [details]
> xrandr.log

BXT has an 'HPD sense invert' bit in the HOTPLUG_CTL register that causes
display detection to be inverted; that value needs to be saved and restored
across suspend/resume.  This patch from Bob Paauwe should solve the problem
here:

http://patchwork.freedesktop.org/patch/72566/

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