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author | Wenjing Liu <Wenjing.Liu@amd.com> | 2019-05-07 15:18:44 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-31 10:39:30 -0500 |
commit | b1432fcbdbea5de6e4ec2e1b2fa2b3c13ade4785 (patch) | |
tree | 4ced8b8147e9a21478656751260935cc2c69d421 | |
parent | a7f90cbc0ee416ffcb2097583bf5364ffc3818bb (diff) | |
download | linux-b1432fcbdbea5de6e4ec2e1b2fa2b3c13ade4785.tar.bz2 |
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>
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |