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drm/amd/display: fix usb-c dongle regression

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A previous change moved link_disconnect_sink after dpcd read,
this causes the sink count to be overwritten which in turn causes
another detection to be triggered in the short pulse handler, which
brings down the display.

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Yang 2017-09-07 14:53:23 -04:00 committed by Alex Deucher
parent 5088cc98f5
commit 1049e39fa6
1 changed files with 0 additions and 2 deletions
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drivers/gpu/drm/amd/display/dc/core/dc_link.c
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@ -652,8 +652,6 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
if (link->local_sink) {
sink = link->local_sink;
} else {
link_disconnect_sink(link);
sink_init_data.link = link;
sink_init_data.sink_signal = sink_caps.signal;