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

Rob Herring
2019-05-14T20:49:16Z

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 <dianders@chromium.org>
> ---
>
> .../bindings/display/rockchip/dw_hdmi-rockchip.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>

Reviewed-by: Rob Herring <robh@kernel.org>