Commit 30bdf50b authored by Yongqiang Sun's avatar Yongqiang Sun Committed by Alex Deucher
Browse files

drm/amd/display: Check multiple internal displays for power optimization. 



[Why & How]
only apply multiple display power optimization in case there are more
than one internal display.

Signed-off-by: default avatarYongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarAnthony Koo <Anthony.Koo@amd.com>
Acked-by: default avatarAric Cyr <Aric.Cyr@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c85ef99a

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

+16 −0
Original line number Diff line number Diff line
@@ -149,6 +149,20 @@ static void destroy_links(struct dc *dc) 
	}

}



static uint32_t get_num_of_internal_disp(struct dc_link **links, uint32_t num_links)

{

	int i;

	uint32_t count = 0;



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

		if (links[i]->connector_signal == SIGNAL_TYPE_EDP ||

				links[i]->is_internal_display)

			count++;

	}



	return count;

}



static bool create_links(

		struct dc *dc,

		uint32_t num_virtual_links)
@@ -250,6 +264,8 @@ static bool create_links( 
		virtual_link_encoder_construct(link->link_enc, &enc_init);

	}



	dc->caps.num_of_internal_disp = get_num_of_internal_disp(dc->links, dc->link_count);



	return true;



failed_alloc:

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

+1 −0
Original line number Diff line number Diff line
@@ -169,6 +169,7 @@ struct dc_caps { 
	bool psp_setup_panel_mode;

	bool extended_aux_timeout_support;

	bool dmcub_support;

	uint32_t num_of_internal_disp;

	enum dp_protocol_version max_dp_protocol_version;

	struct dc_plane_cap planes[MAX_PLANES];

	struct dc_color_caps color;