linux-kernel - Re: [PATCH v1 1/2] dt-bindings: display: bridge: sn65dsi83: Add DSI video mode

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Message-ID: <20230403210622.GA1740065-robh@kernel.org>
Date:   Mon, 3 Apr 2023 16:06:22 -0500
From:   Rob Herring <robh@...nel.org>
To:     Francesco Dolcini <francesco@...cini.it>
Cc:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        dri-devel@...ts.freedesktop.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Marek Vasut <marex@...x.de>, devicetree@...r.kernel.org,
        Francesco Dolcini <francesco.dolcini@...adex.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: display: bridge: sn65dsi83: Add DSI
 video mode

On Thu, Mar 30, 2023 at 12:17:51PM +0200, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@...adex.com>
> 
> SN65DSI8[34] device supports burst video mode and non-burst video mode
> with sync events or with sync pulses packet transmission as described in
> the DSI specification.
> 
> Add property to select the expected mode, this allows for example to
> select a mode that is compatible with the DSI host interface.

Why does this need to be in DT? The source and sink drivers should know 
what their capabilities are and pick the best common one.

Rob