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

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

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wenjing Liu
2023-09-11 17:28:26 -04:00
committed by Alex Deucher
parent cd1baa1f6a
commit 173db0c8b7
2 changed files with 20 additions and 0 deletions
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14
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
View File

@@ -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;

6
drivers/gpu/drm/amd/display/dc/inc/resource.h
View File

@@ -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