Commit f2700d0b authored by Roy Chan's avatar Roy Chan Committed by Alex Deucher
Browse files

drm/amd/display: Revert "Disconnect non-DP with no EDID" 



[Why]
Found a use case (IPKVM) that DP-VGA active dongle does
not return any EDID and the mentioned commit broke it.

[How]
This reverts "Disconnect non-DP with no EDID"

Signed-off-by: default avatarRoy Chan <roy.chan@amd.com>
Reviewed-by: default avatarChris Park <Chris.Park@amd.com>
Acked-by: default avatarStylon Wang <stylon.wang@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fcd1e484

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

+0 −18
Original line number Diff line number Diff line
@@ -1099,24 +1099,6 @@ static bool dc_link_detect_helper(struct dc_link *link, 
			    dc_is_dvi_signal(link->connector_signal)) {

				if (prev_sink)

					dc_sink_release(prev_sink);

				link_disconnect_sink(link);



				return false;

			}

			/*

			 * Abort detection for DP connectors if we have

			 * no EDID and connector is active converter

			 * as there are no display downstream

			 *

			 */

			if (dc_is_dp_sst_signal(link->connector_signal) &&

				(link->dpcd_caps.dongle_type ==

						DISPLAY_DONGLE_DP_VGA_CONVERTER ||

				link->dpcd_caps.dongle_type ==

						DISPLAY_DONGLE_DP_DVI_CONVERTER)) {

				if (prev_sink)

					dc_sink_release(prev_sink);

				link_disconnect_sink(link);



				return false;

			}