On Wed, Feb 26, 2025 at 03:56:26PM +0200, Jani Nikula wrote:
> We create the stream encoders and attach connectors for each pipe we
> have. As the number of pipes has increased, we've failed to update the
> topology manager maximum number of payloads to match that. Bump up the
> max stream count to match number of pipes, enabling the fourth stream on
> platforms that support four pipes.
> 
> Cc: [email protected]
> Cc: Imre Deak <[email protected]>
> Cc: Ville Syrjala <[email protected]>
> Signed-off-by: Jani Nikula <[email protected]>

Reviewed-by: Ville Syrjälä <[email protected]>

> ---
>  drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c 
> b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index 167e4a70ab12..822218d8cfd4 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -1896,7 +1896,8 @@ intel_dp_mst_encoder_init(struct intel_digital_port 
> *dig_port, int conn_base_id)
>       /* create encoders */
>       mst_stream_encoders_create(dig_port);
>       ret = drm_dp_mst_topology_mgr_init(&intel_dp->mst_mgr, display->drm,
> -                                        &intel_dp->aux, 16, 3, conn_base_id);
> +                                        &intel_dp->aux, 16,
> +                                        INTEL_NUM_PIPES(display), 
> conn_base_id);
>       if (ret) {
>               intel_dp->mst_mgr.cbs = NULL;
>               return ret;
> -- 
> 2.39.5

-- 
Ville Syrjälä
Intel

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