Re: [PATCH v2 34/46] dt-bindings: display: mediatek: Introduce MT8196 Output Processor

[Rob Herring]

On Tue, Jul 14, 2026 at 01:44:02PM +0200, AngeloGioacchino Del Regno wrote:
> Add documentation for the Overlay Output Processor IP found in
> the newer Generation SoCs like MT8196, MT8894, MT6991, and their
> variants.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---
>  .../mediatek/mediatek,mt8196-outproc.yaml     | 107 ++++++++++++++++++
>  1 file changed, 107 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-outproc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-outproc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-outproc.yaml
> new file mode 100644
> index 000000000000..7deffba46404
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-outproc.yaml
> @@ -0,0 +1,107 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8196-outproc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Display Overlay Output Processor
> +
> +maintainers:
> +  - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> +
> +description:
> +  The MediaTek Display Overlay Output Processor hardware handles the
> +  post-stage of pixel processing in the layer overlaying process and
> +  is also capable of performing gamma correction, ensuring that the
> +  per-pixel values are within the expected luma range.
> +  If an instance of this hardware is configured as last stage, it is
> +  also capable of generating VBlank (Frame Done) events which can be
> +  then dispatched either via an interrupt (to the CPU) or through a
> +  Global Command Engine (GCE) Event, internally sent to programmable
> +  Command Queue (CMDQ) Engine(s) for offloading purposes.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8196-disp-outproc
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  interrupts:
> +    description: Optional VBlank event interrupt
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +
> +    required:
> +      - port@0
> +      - port@1
> +
> +  trigger-sources:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names

Not a defined property. You should have gotten a schema warning on the 
example.

Same problems as the other patches that I raised.

Rob