drm/amd/display: Safe stream encoder id in stream_status

Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1599,6 +1599,7 @@ enum dc_status resource_map_pool_resources(
 	for (i = 0; i < context->stream_count; i++)
 		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;
 			return DC_OK;
 		}
 

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

@@ -510,6 +510,7 @@ enum surface_update_type {
 
 struct dc_stream_status {
 	int primary_otg_inst;
+	int stream_enc_inst;
 	int plane_count;
 	struct dc_plane_state *plane_states[MAX_SURFACE_NUM];