linux-kernel - Re: [PATCH v2 2/6] drm: lcdif: Drop unnecessary NULL pointer check on lcdif->bridge

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Message-ID: <d035621a-33a6-ca38-1bb3-726b3dd0eab4@denx.de>
Date:   Wed, 25 Jan 2023 14:56:26 +0100
From:   Marek Vasut <marex@...x.de>
To:     Liu Ying <victor.liu@....com>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     stefan@...er.ch, airlied@...il.com, daniel@...ll.ch,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        krzysztof.kozlowski@...aro.org, LW@...O-electronics.de,
        alexander.stein@...tq-group.com
Subject: Re: [PATCH v2 2/6] drm: lcdif: Drop unnecessary NULL pointer check on
 lcdif->bridge

On 1/25/23 07:40, Liu Ying wrote:
> A valid bridge is already found in lcdif_attach_bridge() and set
> to lcdif->bridge, so lcdif->bridge cannot be a NULL pointer. Drop
> the unnecessary NULL pointer check in KMS stage.

Is it possible that a panel (instead of a bridge) be attached to LCDIFv3 
e.g. in case of iMXRT ?

> Signed-off-by: Liu Ying <victor.liu@....com>
> ---
> v1->v2:
> * Split from patch 2/2 in v1. (Marek, Alexander)

Much appreciated, thanks.

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