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

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Message-ID: <20241216083239.GC32204@pendragon.ideasonboard.com>
Date: Mon, 16 Dec 2024 10:32:39 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
	Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>, Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, LUU HOAI <hoai.luu.ub@...esas.com>,
	Jagan Teki <jagan@...rulasolutions.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Biju Das <biju.das.jz@...renesas.com>,
	dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: Re: [PATCH v4 3/7] dt-bindings: display: renesas,du: Add missing
 maxItems

Hi Krzysztof,

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@...asonboard.com>
> > 
> > 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@...asonboard.com>
> > ---
> >  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.

-- 
Regards,

Laurent Pinchart