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SubjectRe: [PATCH 2/2] arm64: dts: rockchip: rockpro64 fix video output chain
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On 12/1/2018 3:38 PM, Oskari Lemmela wrote:
> Rockpro64 is not able boot if kernel is compiled with
> CONFIG_DRM_ROCKCHIP=m
>
> Enable Rockpro64 board HDMI output to fix issue.

Hi Oskari,

Could you please describe this issue in detail.

I am not able to reproduce this issue if CONFIG_DRM_ROCKCHIP is compile
in or as a loadable module at the same time hdmi node is present or not.

> Signed-off-by: Oskari Lemmela <oskari@lemmela.net>
> ---
> arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> index 5bd4d69914bd..be78172abc09 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> @@ -205,6 +205,13 @@
> status = "okay";
> };
>
> +&hdmi {
> + ddc-i2c-bus = <&i2c3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&hdmi_cec>;
> + status = "okay";
> +};
> +
> &i2c0 {
> clock-frequency = <400000>;
> i2c-scl-rising-time-ns = <168>;

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