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>
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 06fc7c5..bcc906a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2959,11 +2959,9 @@
drm_connector = &aconnector->base;
if (!aconnector->dc_sink) {
- if (!aconnector->mst_port) {
- sink = create_fake_sink(aconnector);
- if (!sink)
- return stream;
- }
+ sink = create_fake_sink(aconnector);
+ if (!sink)
+ return stream;
} else {
sink = aconnector->dc_sink;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 60da122..73f8e8f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -173,6 +173,9 @@
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 = {
