Subject: Re: [PATCH 1/5] dt-bindings: drm/bridge/synopsys: dw-hdmi: Add "unwedge" for ddc bus

From: Rob Herring <[email-masked]>
Date: Tue, 14 May 2019 15:49:12 -0500

On Thu,  2 May 2019 15:53:32 -0700, Douglas Anderson wrote:
> In certain situations it was seen that we could wedge up the DDC bus
> on the HDMI adapter on rk3288.  The only way to unwedge was to mux one
> of the pins over to GPIO output-driven-low temporarily and then
> quickly mux back.  Full details can be found in the patch
> ("drm/bridge/synopsys: dw-hdmi: Add "unwedge" for ddc bus").
> 
> Since unwedge requires remuxing the pins, we first need to add to the
> bindings so that we can specify what state the pins should be in for
> unwedging.
> 
> Signed-off-by: Douglas Anderson <[email-masked]>
> ---
> 
>  .../bindings/display/rockchip/dw_hdmi-rockchip.txt         | 7 +++++++
>  1 file changed, 7 insertions(+)
> 

Reviewed-by: Rob Herring <[email-masked]>

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