On 2022-01-24 13:57, Nicholas Kazlauskas wrote:
> [Why]
> A porting error resulted in the stream assignment for the link
> being retained without being released - a memory leak.
>
> [How]
> Fix the porting error by adding back the dc_stream_release() intended
> as part of the original patch.
>
> Fixes: 2e45b19dd882 ("drm/amd/display: retain/release at proper places in link_enc assignment")
>
> Cc: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
> Cc: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Harry
> ---
> drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
> index a55944da8d53..00f72f66a7ef 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
> @@ -122,6 +122,7 @@ static void remove_link_enc_assignment(
> stream->link_enc = NULL;
> state->res_ctx.link_enc_cfg_ctx.link_enc_assignments[i].eng_id = ENGINE_ID_UNKNOWN;
> state->res_ctx.link_enc_cfg_ctx.link_enc_assignments[i].stream = NULL;
> + dc_stream_release(stream);
> break;
> }
> }
