Commit 0a043904 authored by Evgenii Krasnikov's avatar Evgenii Krasnikov Committed by Alex Deucher
Browse files

drm/amd/display: add function for eDP and backlight power on 



[HOW&WHY]
Add function to be used for early eDP power on

Reviewed-by: default avatarAnthony Koo <Anthony.Koo@amd.com>
Acked-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: default avatarEvgenii Krasnikov <Evgenii.Krasnikov@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9602044d

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

+11 −0
Original line number Diff line number Diff line
@@ -6360,3 +6360,14 @@ bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx) 
			dc_is_dp_signal(pipe_ctx->stream->signal));

}

#endif



void edp_panel_backlight_power_on(struct dc_link *link)

{

	if (link->connector_signal != SIGNAL_TYPE_EDP)

		return;



	link->dc->hwss.edp_power_control(link, true);

	link->dc->hwss.edp_wait_for_hpd_ready(link, true);

	if (link->dc->hwss.edp_backlight_control)

		link->dc->hwss.edp_backlight_control(link, true);

}

drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h

+1 −0
Original line number Diff line number Diff line
@@ -217,4 +217,5 @@ bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx); 
void reset_dp_hpo_stream_encoders_for_link(struct dc_link *link);



bool dp_retrieve_lttpr_cap(struct dc_link *link);

void edp_panel_backlight_power_on(struct dc_link *link);

#endif /* __DC_LINK_DP_H__ */