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 19:13:55 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1689328692==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 50E4F6E854 for ; Thu, 17 Nov 2016 19:13:55 +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 --===============1689328692== Content-Type: multipart/alternative; boundary="14794100351.aC2A.20025"; charset="UTF-8" --14794100351.aC2A.20025 Date: Thu, 17 Nov 2016 19:13:55 +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 --- Comment #19 from Alex Deucher --- Certain panels can be really picky about sequencing or delays in the link training. I suspect there are mainly just slight differences in the programming sequences that some panels just don't like. The core link trai= ning code for DAL is here: https://cgit.freedesktop.org/~agd5f/linux/tree/drivers/gpu/drm/amd/dal/dc/c= ore/dc_link_dp.c?h=3Damd-staging-4.7 --=20 You are receiving this mail because: You are the assignee for the bug.= --14794100351.aC2A.20025 Date: Thu, 17 Nov 2016 19:13:55 +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

Commen= t # 19 on bug 90320<= /a> from Alex Deucher 
Certain panels can be really picky about sequencing or delays =
in the link
training.  I suspect there are mainly just slight differences in the
programming sequences that some panels just don't like.  The core link trai=
ning
code for DAL is here:
https://cgit.freedesktop.o=
rg/~agd5f/linux/tree/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c?h=3Damd-s=
taging-4.7

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