From a277b63d82d23ad4f78e70fa9298055af0e5512c Mon Sep 17 00:00:00 2001 From: Wenjing Liu Date: Tue, 7 May 2019 15:18:44 -0400 Subject: [PATCH 2012/2940] drm/amd/display: assign new stream id in dc_copy_stream [why] stream id should uniquely identify an instance of stream. the copy constructor should be treated as a new stream instance. [how] assign a new stream id in this copy constructor. Signed-off-by: Wenjing Liu Reviewed-by: Jun Lei Acked-by: Leo Li --- drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 59b247af5b81..a002e690814f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -179,6 +179,9 @@ struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream) if (new_stream->out_transfer_func) dc_transfer_func_retain(new_stream->out_transfer_func); + new_stream->stream_id = new_stream->ctx->dc_stream_id_count; + new_stream->ctx->dc_stream_id_count++; + kref_init(&new_stream->refcount); return new_stream; -- 2.17.1