redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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>
hifive-unleashed-5.1
Jerry (Fangzhi) Zuo 2019-01-23 11:41:18 -05:00 committed by Alex Deucher
parent 49782c638f
commit e3fa5c4cf1
2 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

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

3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
View File

@ -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 = {