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[Bug 1499491] Re: Display connected on DisplayPort turns black during boot and never returns

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Sat, 26 Sep 2015 18:47:33 -0000
Reply-to: Bug 1499491 <1499491@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** No longer affects: xserver-xorg-video-ati (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1499491

Title:
  Display connected on DisplayPort turns black during boot and never
  returns

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  The display connected on my R9 290 through DisplayPort connection
  turns black during boot and never comes back again.

  According to the power led, it is up and does not turn into power
  saving mode.

  According to xorg.0.log and System Settings / Display  the display is
  perfectly detected.

  This display worked perfectly fine using the same DisplayPort cable,
  running the same driver on my Radeon HD 6670.

  Description:	Ubuntu 15.04
  Release:	15.04

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