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drm/amd/display: Exclude MST from fake sink 

Needs effort to take care of the fake sink scenario
in downstream daisy chain device. Exclude MST from
fake sink feature for now.

Signed-off-by: Jerry Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Jerry Zuo 2017-09-08 11:52:45 -04:00 committed by Alex Deucher
parent eade83503a
commit f4ac176e62
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -2354,8 +2354,16 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
drm_connector = &aconnector->base;
if (!aconnector->dc_sink)
if (!aconnector->dc_sink) {
/*
* Exclude MST from creating fake_sink
* TODO: need to enable MST into fake_sink feature
*/
if (aconnector->mst_port)
goto stream_create_fail;
create_fake_sink(aconnector);
}
stream = dc_create_stream_for_sink(aconnector->dc_sink);
@ -4376,7 +4384,8 @@ static int dm_update_crtcs_state(struct dc *dc,
aconnector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc);
/* TODO This hack should go away */
if (aconnector) {
if (aconnector && enable) {
// Make sure fake sink is created in plug-in scenario
new_con_state = drm_atomic_get_connector_state(state,
&aconnector->base);