Re: [PATCH 4/9] drm/panel: simple: add support for overriding the pixel clock polarity

From: Rob Herring
Date: Mon Oct 16 2017 - 18:13:57 EST


On Wed, Oct 11, 2017 at 6:23 AM, Lothar WaÃmann <LW@xxxxxxxxxxxxxxxxxxx> 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.

Wouldn't you know the polarity required based on the type of LVDS
converter chip in front of the panel? Or is that not being described
because it is "transparent".

Rob