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Commit 48841a20 authored by Roman Li's avatar Roman Li Committed by Alex Deucher
Browse files

drm/amd/display: Fix eDP panel light-up 



 Power-down panel on disale only if sink exists
 otherwise it fails edid read during init sequence

Signed-off-by: default avatarRoman Li <Roman.Li@amd.com>
Reviewed-by: default avatarAndrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4017fcdf

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

+3 −1
Original line number Diff line number Diff line
@@ -114,7 +114,9 @@ void dp_disable_link_phy(struct dc_link *link, enum signal_type signal) 


	if (signal == SIGNAL_TYPE_EDP) {

		link->link_enc->funcs->backlight_control(link->link_enc, false);

		link->link_enc->funcs->power_control(link->link_enc, false);

		if (link->dpcd_sink_count)

			link->link_enc->funcs->power_control(link->link_enc,

									false);

	}



	link->link_enc->funcs->disable_output(link->link_enc, signal);