Also, there is a patch in the upstream 3.1-rc10 kernel which may fix this issue:
author Alex Deucher Tue, 4 Oct 2011 16:23:24 +0000 (12:23 -0400) committer Dave Airlie Wed, 5 Oct 2011 09:31:40 +0000 (10:31 +0100) commit 6777a4f6898a53974ef7fe7ce09ec41fae0f32db tree e5680a33625e3a69d78c11e1fb56849e2c573beb parent 4f332844cc87c5f99c5300f788abbe8a8c731390 drm/radeon/kms: fix dp_detect handling for DP bridge chips The HPD pin is not reliable for detecting whether a monitor is connected or not. Skip HPD and just use DDC or load detection. Fixes phantom VGA connected bugs. [Michel: fixes phantom VGA bugs on his llano system.] Signed-off-by: Alex Deucher Reviewed-by: Michel Dänzer Tested-by: Michel Dänzer Cc: [email protected] Signed-off-by: Dave Airlie A PPA of this kernel is available at http://kernel.ubuntu.com/~kernel-ppa/mainline/ It has also been cc'd to the stable kernel tree and should therefore eventually make it's way to oneiric-updates as an SRU. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/864155 Title: Nonexistent VGA monitor detected on AMD A8-3850 / Asus F1A75-V PRO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/864155/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
