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[Bug 1599379] Re: Baytrail-I got black screen with HDMI output

 

** Changed in: hwe-next
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1599379

Title:
  Baytrail-I got black screen with HDMI output

Status in HWE Next:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  This issue happens with 4.0+ kernels. Bisecting shows following commit
  cause the issue:

  commit d2182a660808d9053a605e3ebc8c46a323ec6e5d
  Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
  Date: Fri Jan 9 14:21:14 2015 +0200

      drm/i915: Don't register HDMI connectors for eDP ports on VLV/CHV

  The issue has been reported to upstream [1] and the fix has been
  merged.

  Although the commit fff7660 fixes the issue, it still misses to probe
  HDMI port in some circumstance, therefore there's another commit
  (already merged):

  commit a5aac5ab876ad95b7f5e8d862afb07248ee9cae2
  Author:     Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
  CommitDate: Fri Jun 10 10:40:54 2016 +0300

      drm/i915: Check VBT for port presence in addition to the strap on
  VLV/CHV

  [1]: https://bugs.freedesktop.org/show_bug.cgi?id=96288

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