From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 40699] KMS on Thinkpad W500: no picture on external monitors with DisplayPort, but DVI works. Date: Mon, 13 Jan 2014 23:06:32 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0856180556==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 88484FB647 for ; Mon, 13 Jan 2014 15:06:32 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0856180556== Content-Type: multipart/alternative; boundary="1389654392.f166c50.16531"; charset="us-ascii" --1389654392.f166c50.16531 Date: Mon, 13 Jan 2014 23:06:32 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=40699 --- Comment #6 from Maciej Pawlik --- I've done some testing, and vanilla kernel works only with 720x400. With ATOM_DP_SS_ID2, as you suggested, some modes work, some don't: DisplayPort-0 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 518mm x 324mm 1920x1200 60.0 + <-ok 1920x1080 60.0 <-ok 1600x1200 60.0 <-ok 1680x1050 60.0* <-ok 1280x1024 60.0 <-can't sync 1280x960 60.0 <-can't sync 1024x768 60.0 <-ok 800x600 60.3 <-can't sync 640x480 60.0 <-can't sync 720x400 70.1 <-ok It's the same with my crude fix. -- You are receiving this mail because: You are the assignee for the bug. --1389654392.f166c50.16531 Date: Mon, 13 Jan 2014 23:06:32 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 6 on bug 40699 from 
I've done some testing, and vanilla kernel works only with 720x400. With
ATOM_DP_SS_ID2, as you suggested, some modes work, some don't:
DisplayPort-0 connected 1680x1050+0+0 (normal left inverted right x axis y
axis) 518mm x 324mm
   1920x1200      60.0 + <-ok
   1920x1080      60.0   <-ok
   1600x1200      60.0   <-ok
   1680x1050      60.0*  <-ok
   1280x1024      60.0   <-can't sync
   1280x960       60.0   <-can't sync
   1024x768       60.0   <-ok
   800x600        60.3   <-can't sync
   640x480        60.0   <-can't sync
   720x400        70.1   <-ok

It's the same with my crude fix.

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