Re: [PATCH 1/5] dt-bindings: display/msm: Add reg bus interconnect

From: Krzysztof Kozlowski
Date: Tue Apr 18 2023 - 03:24:54 EST


On 17/04/2023 17:30, Konrad Dybcio wrote:
> Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's
> another path that needs to be handled to ensure MDSS functions properly,
> namely the "reg bus", a.k.a the CPU-MDSS interconnect.
>
> Gating that path may have a variety of effects.. from none to otherwise
> inexplicable DSI timeouts..
>
> Describe it in bindings to allow for use in device trees.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/display/msm/mdss-common.yaml | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
> index ccd7d6417523..9eb5b6d3e0b9 100644
> --- a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
> @@ -72,6 +72,7 @@ properties:
> items:
> - const: mdp0-mem
> - const: mdp1-mem
> + - const: cpu-cfg

You added only interconnect-name, not actual interconnect.

Best regards,
Krzysztof