From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 40252] No udev event for disconnecting VGA/HDMI cable
Date: Thu, 22 Sep 2011 13:17:45 -0700 (PDT)
Message-ID: <20110922201745.D5E621300DB@annarchy.freedesktop.org>
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https://bugs.freedesktop.org/show_bug.cgi?id=40252
--- Comment #3 from Alex Deucher 2011-09-22 13:17:45 PDT ---
(In reply to comment #2)
> I've got a similar problem with a Mobility Radeon HD 4300 Series card, there is
> no change recognized on connect and disconnect.
>
> Any hint where to look?
Hotplug interrupts only work for digital displays (TMDS/DP). Analog displays
require polling.
Check your dmesg output and make sure there is an HPD pin assigned to the
digital display connector you are trying to use. It's also possible your OEM
did not wire up the pin properly.
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