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drm/amd/display: Clear dc_sink after it gets released 

[Why]
The dc_sink was released but the pointer on the aconnector was
not cleared.

[How]
Clear it.

Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jerry (Fangzhi) Zuo 2019-01-24 11:46:49 -05:00 committed by Alex Deucher
parent 5062b797db
commit 3f01f098a4
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
View File

@ -173,8 +173,10 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
aconnector->edid = edid;
}
if (aconnector->dc_sink && aconnector->dc_sink->sink_signal == SIGNAL_TYPE_VIRTUAL)
if (aconnector->dc_sink && aconnector->dc_sink->sink_signal == SIGNAL_TYPE_VIRTUAL) {
dc_sink_release(aconnector->dc_sink);
aconnector->dc_sink = NULL;
}
if (!aconnector->dc_sink) {
struct dc_sink *dc_sink;