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[Bug 1490038] Re: [i915_bpo] Adding DDI-E support caused a boot up gfx regression


Verified that without that commit, the VGA output works

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  [i915_bpo] Adding DDI-E support caused a boot up gfx regression

Status in linux package in Ubuntu:
Status in linux source package in Vivid:
  In Progress

Bug description:
  A boot up gfx regression (blank display) has been identified on a
  machine being certified caused by the recent addition of DDI-E support
  (VGA out). One patch of the series was still being debated at the time
  of the SRU cutoff date, but got included because it was on the set of
  commits that got tested on a number of systems. We can revert the
  current patch and revisit it later once upstream has a proper solution
  for it.

  commit b6fabc6e37462687296b60262edff5b75a50aff4
  Author: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
  Date:   Fri Aug 7 17:33:42 2015 -0700

      UBUNTU: SAUCE: i915_bpo: drm/i915/skl: DDI-E and DDI-A shares 4

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