Commit b0942618 authored by Jake Wang's avatar Jake Wang Committed by Alex Deucher
Browse files

drm/amd/display: Bypass sink detect when there are no eDPs connected 



[How & Why]
Check DC config to determine if there are any eDPs connected. If there
are no eDPs connected, bypass sink detect when querying eDP presence.

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarJake Wang <haonan.wang2@amd.com>
Reviewed-by: default avatarNicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: default avatarSolomon Chiu <solomon.chiu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 45150cd2

drivers/gpu/drm/amd/display/dc/core/dc.c

+6 −7
Original line number Diff line number Diff line
@@ -1096,20 +1096,19 @@ static void detect_edp_presence(struct dc *dc) 
{

	struct dc_link *edp_links[MAX_NUM_EDP];

	struct dc_link *edp_link = NULL;

	enum dc_connection_type type;

	int i;

	int edp_num;

	bool edp_sink_present = true;



	get_edp_links(dc, edp_links, &edp_num);

	if (!edp_num)

		return;



	if (dc->config.edp_not_connected) {

			edp_sink_present = false;

	} else {

		enum dc_connection_type type;

	for (i = 0; i < edp_num; i++) {

		edp_link = edp_links[i];

		if (dc->config.edp_not_connected) {

			edp_link->edp_sink_present = false;

		} else {

			dc_link_detect_sink(edp_link, &type);

			edp_link->edp_sink_present = (type != dc_connection_none);

		}