From 4a0dc87fca19c51421a8ef5ca086f57898447c70 Mon Sep 17 00:00:00 2001 From: Jimmy Kizito Date: Tue, 21 Sep 2021 10:03:05 -0400 Subject: [PATCH] drm/amd/display: Clear encoder assignment for copied streams [Why] When copying a stream, the encoder assigned to it is copied too. Encoder assignment should only happen when executing the encoder assignment function link_encs_assign(). [How] Clear the link encoder pointer for copied stream. Reviewed-by: Meenakshikumar Somasundaram Reviewed-by: Jun Lei Acked-by: Agustin Gutierrez Sanchez Signed-off-by: Jimmy Kizito Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 4 ++++ 1 file changed, 4 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 f0f54f4d3d9b..57cf4cb82370 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -202,6 +202,10 @@ struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream) new_stream->stream_id = new_stream->ctx->dc_stream_id_count; new_stream->ctx->dc_stream_id_count++; + /* If using dynamic encoder assignment, wait till stream committed to assign encoder. */ + if (new_stream->ctx->dc->res_pool->funcs->link_encs_assign) + new_stream->link_enc = NULL; + kref_init(&new_stream->refcount); return new_stream; -- 2.11.0