Re: [PATCH v4 3/7] dt-bindings: display: renesas,du: Add missing maxItems

[Laurent Pinchart]

On Mon, Dec 16, 2024 at 01:02:26PM +0200, Tomi Valkeinen wrote:
> On 16/12/2024 10:32, Laurent Pinchart wrote:
> > On Mon, Dec 16, 2024 at 08:58:49AM +0100, Krzysztof Kozlowski wrote:
> >> On Fri, Dec 13, 2024 at 04:02:59PM +0200, Tomi Valkeinen wrote:
> >>> From: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
> >>>
> >>> The binding is missing maxItems for all renesas,cmms and renesas,vsps
> >>> properties. As the amount of cmms or vsps is always a fixed amount, set
> >>> the maxItems to match the minItems.
> >>>
> >>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
> >>> ---
> >>>   Documentation/devicetree/bindings/display/renesas,du.yaml | 10 ++++++++++
> >>>   1 file changed, 10 insertions(+)
> >>
> >> The top level property should define widest constraints as well.
> > 
> > I'm curious, why is that ? I understand why a top-level default would
> > make sense when it's optionally overridden by model-specific values, but
> > in this case there's no such default. Every SoC has its own fixed value.
> 
> Looking at the file, shouldn't we have minItems == maxItems for 
> interrupts and resets too? Well, I guess for interrupts we could in 
> theory run with just some of the interrupt lines connected. I'm not sure 
> if that's the case for resets.

Unless there's some magic handling of min/maxItems for those that I
wouldn't be aware of, I think it makes sense.

-- 
Regards,

Laurent Pinchart