[ Upstream commit 5fdb7c4c7f2691efd760b0b0dc00da4a3699f1a6 ] [Why] In order to give pin notifications to the sound driver from DM we need to know whether audio is enabled on a stream and what pin it's using from DC.
[How] Expose the instance via stream status if it's a mapped resource for the stream. It will be -1 if there's no audio mapped. Cc: Leo Li <sunpeng...@amd.com> Cc: Harry Wentland <harry.wentl...@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com> Reviewed-by: Alex Deucher <alexander.deuc...@amd.com> Signed-off-by: Alex Deucher <alexander.deuc...@amd.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 3 +++ drivers/gpu/drm/amd/display/dc/dc_stream.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index eac7186e4f084..12142d13f22f2 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2034,6 +2034,9 @@ enum dc_status resource_map_pool_resources( if (context->streams[i] == stream) { context->stream_status[i].primary_otg_inst = pipe_ctx->stream_res.tg->inst; context->stream_status[i].stream_enc_inst = pipe_ctx->stream_res.stream_enc->id; + context->stream_status[i].audio_inst = + pipe_ctx->stream_res.audio ? pipe_ctx->stream_res.audio->inst : -1; + return DC_OK; } diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 189bdab929a55..c20803b71fa52 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -42,6 +42,7 @@ struct dc_stream_status { int primary_otg_inst; int stream_enc_inst; int plane_count; + int audio_inst; struct timing_sync_info timing_sync_info; struct dc_plane_state *plane_states[MAX_SURFACE_NUM]; }; -- 2.20.1