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[Bug 1338582] Re: [i915_bdw] No picture on BDW-Y SDP with latest kernel

 

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-trusty

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https://bugs.launchpad.net/bugs/1338582

Title:
  [i915_bdw] No picture on BDW-Y SDP with latest kernel

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  In Progress

Bug description:
  The Intel BDW-Y SDP needs a few patches from 3.15 to fix modesetting
  issues with it's highres panel:

  eeb6324dd6668b0 drm/i915: consider the source max DP lane count too
  56071a207602a45 drm/i915: use lane count and link rate from VBT as minimums for eDP
  f4cdbc21444a45d drm/i915/dp: force eDP lane count to max available lanes on BDW

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References