From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 27314] displayport link training fails on certain panels (channel equalization fails) Date: Mon, 19 Aug 2013 19:57:58 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0607211914==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 54AF5E5C69 for ; Mon, 19 Aug 2013 12:57:58 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0607211914== Content-Type: multipart/alternative; boundary="1376942278.7f1daB0.8480"; charset="us-ascii" --1376942278.7f1daB0.8480 Date: Mon, 19 Aug 2013 19:57:58 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=27314 --- Comment #70 from Alex Deucher --- (In reply to comment #69) > I have an iMac 11,1 and I cannot get X to work. Documentation > is scarce, so I don't know how to discover what is the problem. > When I start X, it doesn't show any errors, but I get a blank > screen. Same for when I insert the radeon module with kms on. > I suspect that the EDID is not being handled correctly. Does > any of you know how I can create an external EDID for a 2560x1440 > monitor? My video card is an ATI Radeon HD 4850, by the way. If xrandr --verbose shows the appropriate modes for your display, there is no problem with the EDID. You might try a 3.11 kernel. -- You are receiving this mail because: You are the assignee for the bug. --1376942278.7f1daB0.8480 Date: Mon, 19 Aug 2013 19:57:58 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 70 on bug 27314 from 
(In reply to comment #69)
> I have an iMac 11,1 and I cannot get X to work. Documentation
> is scarce, so I don't know how to discover what is the problem.
> When I start X, it doesn't show any errors, but I get a blank
> screen. Same for when I insert the radeon module with kms on.
> I suspect that the EDID is not being handled correctly. Does
> any of you know how I can create an external EDID for a 2560x1440
> monitor? My video card is an ATI Radeon HD 4850, by the way.

If xrandr --verbose shows the appropriate modes for your display, there is no
problem with the EDID.  You might try a 3.11 kernel.

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