From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 29941] New: radeon/KMS: Screen hotplugging does not work any more
Date: Wed, 1 Sep 2010 09:32:09 -0700 (PDT)
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https://bugs.freedesktop.org/show_bug.cgi?id=29941
Summary: radeon/KMS: Screen hotplugging does not work any more
Product: DRI
Version: DRI CVS
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: direx@betriebsdirektor.de
I noticed that in recent kernel versions the runtime detection of newly added
monitors does not work properly.
When I plug in my TV (DVI2HDMI) after booting I cannot enable it. xrandr
correctly shows a new screen and I can even enable the output, but the TV
screen stays black. Restarting X does not help.
The driver also seems to recognize the port status after plugging it in
(/sys/class/drm/card0-DVI-I-2/status) changes from "disconnected" to
"connected".
When I plug the HDMI cable in _before_ booting my computer the TV works just
fine.
GFX: Radeon HD 3870
Linux: 2.6-git (issue appeared in 2.6.35) with KMS
Mesa: git
libdrm: git
xf86-video-ati: git
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