From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 86861] [rv6xx] When using a hardware KVM switch between computers EDID sometimes not detected/display goes fuzzy Date: Mon, 01 Dec 2014 02:34:25 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1166384106==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 09F8A6E1E7 for ; Sun, 30 Nov 2014 18:34:25 -0800 (PST) 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 --===============1166384106== Content-Type: multipart/alternative; boundary="1417401264.abAC0.3413"; charset="UTF-8" --1417401264.abAC0.3413 Date: Mon, 1 Dec 2014 02:34:24 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=86861 Alex Deucher changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |NOTOURBUG --- Comment #3 from Alex Deucher --- (In reply to Shawn Starr from comment #2) > The newer firmware updates don't address VGA EDID detection, at least the > documentation doesn't list this. > > One thought though, we don't cache the EDID information if it was previously > detected? If you switch the screen, does that effectively mean the cable is > disconnected on the other computer? For analog displays like VGA, the drm core polls every 10 seconds or so to see if the monitor is still there since the older analog connctors like VGA do not support hotplug like digital connectors like DVI or HDMI do. -- You are receiving this mail because: You are the assignee for the bug. --1417401264.abAC0.3413 Date: Mon, 1 Dec 2014 02:34:24 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" changed bug 86861
What Removed Added
Status NEW RESOLVED
Resolution --- NOTOURBUG

Comment # 3 on bug 86861 from 
(In reply to Shawn Starr from comment #2)
> The newer firmware updates don't address VGA EDID detection, at least the
> documentation doesn't list this.
> 
> One thought though, we don't cache the EDID information if it was previously
> detected? If you switch the screen, does that effectively mean the cable is
> disconnected on the other computer?

For analog displays like VGA, the drm core polls every 10 seconds or so to see
if the monitor is still there since the older analog connctors like VGA do not
support hotplug like digital connectors like DVI or HDMI do.

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