Commit cbd8394d authored by Nikola Cornij's avatar Nikola Cornij Committed by Alex Deucher
Browse files

drm/amd/display: Connect DIG FE to its BE before link training starts 



[why]
In SST mode no idle pattern will be generated after link training if
DIG FE is not connected to DIG BE.

Signed-off-by: default avatarNikola Cornij <nikola.cornij@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5b956e98

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

+4 −0
Original line number Diff line number Diff line
@@ -1546,6 +1546,10 @@ static enum dc_status enable_link_dp( 
	panel_mode = dp_get_panel_mode(link);

	dp_set_panel_mode(link, panel_mode);



	/* We need to do this before the link training to ensure the idle pattern in SST

	 * mode will be sent right after the link training */

	link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc,

						    pipe_ctx->stream_res.stream_enc->id, true);

	skip_video_pattern = true;



	if (link_settings.link_rate == LINK_RATE_LOW)

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