drm/amd/display: Fix dc_sink kref count in emulated_link_detect

[why]
prev_sink is not used anywhere else in the function and the reference to
it from dc_link is replaced with a new dc_sink.

[how]
Change dc_sink_retain(prev_sink) to dc_sink_release(prev_sink).

Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Lu 2021-01-14 22:24:14 -05:00 committed by Alex Deucher
parent bae72358f6
commit 30164a1657

View file

@ -1835,8 +1835,8 @@ static void emulated_link_detect(struct dc_link *link)
link->type = dc_connection_none;
prev_sink = link->local_sink;
if (prev_sink != NULL)
dc_sink_retain(prev_sink);
if (prev_sink)
dc_sink_release(prev_sink);
switch (link->connector_signal) {
case SIGNAL_TYPE_HDMI_TYPE_A: {