linux-kernel - Re: [PATCH v2 1/2] dt-bindings: display: imx: Describe drm binding for fsl,imx-lcdc

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Date:   Fri, 16 Dec 2022 12:38:32 +0100
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] dt-bindings: display: imx: Describe drm binding
 for fsl,imx-lcdc

On Fri, Dec 16, 2022 at 11:41:30AM +0100, Krzysztof Kozlowski wrote:
> On 14/12/2022 12:59, Uwe Kleine-König wrote:
> > Modify the existing (fb-like) binding to support the drm-like binding in
> > parallel.
> 
> Aren't you now adding two compatibles to the same hardware, just for two
> Linux drivers? One hardware should have one compatible, regardless of
> Linux display implementation.

The (up to now unopposed) idea was to use the opportunity to pick a
better name for the compatible. The hardware component is called LCDC
and I guess fsl,imx21-fb was only picked because the linux driver is
called imxfb. Unless I understood Rob wrong, he insisted to describe
both variants in a single binding document only.

> > +if:
> 
> Put it under allOf. It grows pretty often so this would avoid future
> re-indents.

ok.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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