[PATCH] drm/radeon/kms: fix dp_detect handling for DP bridge chips

Michel Dänzer michel at daenzer.net
Tue Oct 4 10:12:12 PDT 2011

On Die, 2011-10-04 at 12:23 -0400, alexdeucher at gmail.com wrote: 
> From: Alex Deucher <alexander.deucher at amd.com>
> 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.
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Just verified that it no longer incorrectly detects VGA as connected on
my Llano board.

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>
Tested-by: Michel Dänzer <michel.daenzer at amd.com>

Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer

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