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 <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
1 file changed