From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH 4/9] drm/panel: simple: add support for overriding the
 pixel clock polarity
Date: Tue, 17 Oct 2017 14:14:22 +0200
Message-ID: <20171017121422.GE684@ulmo>
References: <1507721021-28174-1-git-send-email-LW@KARO-electronics.de>
 <1507721021-28174-5-git-send-email-LW@KARO-electronics.de>
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To: Lothar =?utf-8?Q?Wa=C3=9Fmann?= <LW@KARO-electronics.de>
Cc: David Airlie <airlied@linux.ie>, Mark Rutland <mark.rutland@arm.com>, Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
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On Wed, Oct 11, 2017 at 01:23:36PM +0200, Lothar Wa=C3=9Fmann wrote:
> The Ka-Ro electronics MB7 baseboard has an on-board LCD->LVDS
> converter that requires a fixed pixelclk polarity, no matter what the
> panel's display_mode specifies. Add an option to override the pixelclk
> polarity defined in the panel's display_mode via DTB.

I'd argue that the LCD->LVDS converter should be modelled specifically
in DT to handle this case. It could be a implemented as a DRM bridge
driver, for example.

Thierry

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