[PATCH 1/7] dt-bindings: display/msm/dsi: allow specifying TE source

Rob Herring robh at kernel.org
Wed May 22 14:45:45 UTC 2024


On Mon, May 20, 2024 at 03:12:43PM +0300, Dmitry Baryshkov wrote:
> Command mode panels provide TE signal back to the DSI host to signal
> that the frame display has completed and update of the image will not
> cause tearing. Usually it is connected to the first GPIO with the
> mdp_vsync function, which is the default. In such case the property can
> be skipped.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
>  .../bindings/display/msm/dsi-controller-main.yaml        | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> index 1fa28e976559..c1771c69b247 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> @@ -162,6 +162,21 @@ properties:
>                  items:
>                    enum: [ 0, 1, 2, 3 ]
>  
> +              qcom,te-source:
> +                $ref: /schemas/types.yaml#/definitions/string
> +                description:
> +                  Specifies the source of vsync signal from the panel used for
> +                  tearing elimination. The default is mdp_gpio0.

default: mdp_gpio0

With that,

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>


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