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Commit e3fa5c4c authored Jan 23, 2019 by Jerry (Fangzhi) Zuo Committed by Alex Deucher Feb 05, 2019

drm/amd/display: Apply fake sink back to MST sequence



[Why]
It fixes the failure to create stream for sink in the scenario
when hotplug SST and MST in sequence, and disconnect MST.

[How]
Add the fake sink back after the majority of MST rework is done.

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>
Acked-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 49782c63

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+3 −5

Original line number	Diff line number	Diff line
		@@ -2959,11 +2959,9 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
		drm_connector = &aconnector->base;

		if (!aconnector->dc_sink) {
		if (!aconnector->mst_port) {
		sink = create_fake_sink(aconnector);
		if (!sink)
		return stream;
		}
		} else {
		sink = aconnector->dc_sink;
		}

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,9 @@ 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)
		dc_sink_release(aconnector->dc_sink);

		if (!aconnector->dc_sink) {
		struct dc_sink *dc_sink;
		struct dc_sink_init_data init_params = {