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authorJimmy Kizito <[email protected]>2021-09-21 10:03:05 -0400
committerAlex Deucher <[email protected]>2021-10-19 17:17:31 -0400
commit4a0dc87fca19c51421a8ef5ca086f57898447c70 (patch)
tree79727150ae0b923a805fab1e759be526944e1464
parent7a28bee067d524c1b8770aa72a82263eb9fc53f0 (diff)
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 <[email protected]> Reviewed-by: Jun Lei <[email protected]> Acked-by: Agustin Gutierrez Sanchez <[email protected]> Signed-off-by: Jimmy Kizito <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_stream.c4
1 files changed, 4 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 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;