Commit b1432fcb authored May 07, 2019 by Wenjing Liu Committed by Alex Deucher May 31, 2019

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 <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent a7f90cbc

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

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;

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