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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 <Meenakshikumar.Somasundaram@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jimmy Kizito 2021-09-21 10:03:05 -04:00 committed by Alex Deucher
parent 7a28bee067
commit 4a0dc87fca
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc_stream.c
View File

@ -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;