Commit 173db0c8 authored by Wenjing Liu's avatar Wenjing Liu Committed by Alex Deucher
Browse files

drm/amd/display: add get primary dpp pipe resource interface 



[why]
Need to have a helper function to find the primary dp pipe of the plane
associated with a dpp pipe

Reviewed-by: default avatarDillon Varone <dillon.varone@amd.com>
Acked-by: default avatarWayne Lin <wayne.lin@amd.com>
Signed-off-by: default avatarWenjing Liu <wenjing.liu@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cd1baa1f

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

+14 −0
Original line number Diff line number Diff line
@@ -1807,6 +1807,20 @@ struct pipe_ctx *resource_get_opp_head(const struct pipe_ctx *pipe_ctx) 
	return opp_head;

}



struct pipe_ctx *resource_get_primary_dpp_pipe(const struct pipe_ctx *dpp_pipe)

{

	struct pipe_ctx *pri_dpp_pipe = (struct pipe_ctx *) dpp_pipe;



	ASSERT(resource_is_pipe_type(dpp_pipe, DPP_PIPE));

	while (pri_dpp_pipe->prev_odm_pipe)

		pri_dpp_pipe = pri_dpp_pipe->prev_odm_pipe;

	while (pri_dpp_pipe->top_pipe &&

			pri_dpp_pipe->top_pipe->plane_state == pri_dpp_pipe->plane_state)

		pri_dpp_pipe = pri_dpp_pipe->top_pipe;

	return pri_dpp_pipe;

}





int resource_get_mpc_slice_index(const struct pipe_ctx *pipe_ctx)

{

	struct pipe_ctx *split_pipe = pipe_ctx->top_pipe;

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

+6 −0
Original line number Diff line number Diff line
@@ -409,6 +409,12 @@ struct pipe_ctx *resource_get_otg_master(const struct pipe_ctx *pipe_ctx); 
 */

struct pipe_ctx *resource_get_opp_head(const struct pipe_ctx *pipe_ctx);



/*

 * Get the DPP pipe allocated for MPC slice 0 and ODM slice 0 of the plane

 * associated with dpp_pipe.

 */

struct pipe_ctx *resource_get_primary_dpp_pipe(const struct pipe_ctx *dpp_pipe);



/*

 * Get the MPC slice index counting from 0 from left most slice

 * For example, if a DPP pipe is used as a secondary pipe in MPCC combine, MPC