From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 90320] Lenovo ThinkPad E455 (Kaveri A10-7300): Blank built-in screen with radeon kms driver Date: Thu, 17 Nov 2016 17:57:24 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0545971307==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 717B96E838 for ; Thu, 17 Nov 2016 17:57:24 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0545971307== Content-Type: multipart/alternative; boundary="14794054442.E95D.10597"; charset="UTF-8" --14794054442.E95D.10597 Date: Thu, 17 Nov 2016 17:57:24 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D90320 Samir Ibrad=C5=BEi=C4=87 changed: What |Removed |Added ---------------------------------------------------------------------------- Version|DRI git |unspecified Component|DRM/Radeon |DRM/AMDgpu-pro --- Comment #14 from Samir Ibrad=C5=BEi=C4=87 --- A year and a half later, BUMP again - This bug is still happening on upstream kernels, just tried against 4.9 r= c5 - It happens on latest amdgpu, with CIK support compiled - It even happens with amdgpu-pro DKMS 16.40.5 @ Ubuntu 16.04 @ 4.4.0-47.68 which supposedly enables DAL (it doesn't want to compile on newer kernels) The same implications as before, eDP is black, backlight control works, external HDMI works. It only works with fglrx, just checked with 15.20.2 (Feb 27 2015 build) @ Ubuntu 15.04 @ 4.0.0-040000-generic (ubuntu ppa kernel), display inits fine= , X works, but Gnome just dies on it, so I'm forced to use desktop that I can't stand... Whay would fglrx know how to enable eDP, when all other fail? Is there some dark display initialization voodoo magic in there that is not in amdgpu-pro DAL? Some sort of workaround in the code dedicated to handle some buggy eDP link training or i2c link issues that are known for some LCD displays? Please Help --=20 You are receiving this mail because: You are the assignee for the bug.= --14794054442.E95D.10597 Date: Thu, 17 Nov 2016 17:57:24 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated Samir Ibrad=C5=BEi=C4=87 changed bug 90320<= /a>
What Removed Added
Version DRI git unspecified
Component DRM/Radeon DRM/AMDgpu-pro

Commen= t # 14 on bug 90320<= /a> from Samir Ibrad=C5=BEi=C4=87 
A year and a half later, BUMP again

- This bug is still happening on upstream kernels, just tried against 4.9 r=
c5
- It happens on latest amdgpu, with CIK support compiled
- It even happens with amdgpu-pro DKMS 16.40.5 @ Ubuntu 16.04 @ 4.4=
.0-47.68
which supposedly enables DAL (it doesn't want to compile on newer kernels)

The same implications as before, eDP is black, backlight control works,
external HDMI works.

It only works with fglrx, just checked with 15.20.2 (Feb 27 2015 build) =
4;
Ubuntu 15.04 @ 4.0.0-040000-generic (ubuntu ppa kernel), display inits =
fine, X
works, but Gnome just dies on it, so I'm forced to use desktop that I can't
stand...

Whay would fglrx know how to enable eDP, when all other fail? Is there some
dark display initialization voodoo magic in there that is not in amdgpu-pro
DAL? Some sort of workaround in the code dedicated to handle some buggy eDP
link training or i2c link issues that are known for some LCD displays?

Please Help

You are receiving this mail because:
  • You are the assignee for the bug.
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