From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 95206] Display port bandwidth regression Date: Tue, 10 May 2016 09:27:57 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1458366196==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 4829C6E435 for ; Tue, 10 May 2016 09:27:57 +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 --===============1458366196== Content-Type: multipart/alternative; boundary="14628724770.a553d8.24349"; charset="UTF-8" --14628724770.a553d8.24349 Date: Tue, 10 May 2016 09:27:57 +0000 MIME-Version: 1.0 Content-Type: text/plain https://bugs.freedesktop.org/show_bug.cgi?id=95206 --- Comment #8 from Christian L. --- Hi, I've bisected the problem down to the following commit to the mainline kernel (see below). Can I help with some further information? 092c96a8ab9d1bd60ada2ed385cc364ce084180e is the first bad commit commit 092c96a8ab9d1bd60ada2ed385cc364ce084180e Author: Alex Deucher Date: Thu Dec 17 10:23:34 2015 -0500 drm/radeon: fix dp link rate selection (v2) Need to properly handle the max link rate in the dpcd. This prevents some cases where 5.4 Ghz is selected when it shouldn't be. v2: simplify logic, add array bounds check Reviewed-by: Tom St Denis Signed-off-by: Alex Deucher :040000 040000 c27fa6e02534c3ef9f53c3c954fa936b1e414cb3 0be8f64ebe28383efa39ebce68247b148f4a78f2 M drivers -- You are receiving this mail because: You are the assignee for the bug. --14628724770.a553d8.24349 Date: Tue, 10 May 2016 09:27:57 +0000 MIME-Version: 1.0 Content-Type: text/html

Comment # 8 on bug 95206 from 
Hi,

I've bisected the problem down to the following commit to the mainline kernel
(see below). Can I help with some further information?

092c96a8ab9d1bd60ada2ed385cc364ce084180e is the first bad commit
commit 092c96a8ab9d1bd60ada2ed385cc364ce084180e
Author: Alex Deucher <alexander.deucher@amd.com>
Date:   Thu Dec 17 10:23:34 2015 -0500

    drm/radeon: fix dp link rate selection (v2)

    Need to properly handle the max link rate in the dpcd.
    This prevents some cases where 5.4 Ghz is selected when
    it shouldn't be.

    v2: simplify logic, add array bounds check

    Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

:040000 040000 c27fa6e02534c3ef9f53c3c954fa936b1e414cb3
0be8f64ebe28383efa39ebce68247b148f4a78f2 M    drivers

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