drm/amd/display: Call dc_stream_release for remove link enc assignment

[Limonciello, Mario]

On 1/24/2022 12:57, 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")

This commit sha is wrong, it should be 
0bb24555858403671657f6dc025d2931e3e857bb

> 
> Cc: Qingqing Zhuo <qingqing.zhuo at amd.com>
> Cc: Aurabindo Pillai <aurabindo.pillai at amd.com>
> Cc: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
> ---
>   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;
>   			}
>   		}