From mboxrd@z Thu Jan 1 00:00:00 1970 From: agajjar Subject: Re: [PATCH 2/2] arm64: dts: rockchip: rockpro64 fix video output chain Date: Wed, 5 Dec 2018 18:33:29 +0530 Message-ID: <09287391-d541-cddb-4168-55ca6fee3f16@mentor.com> References: <20181201100817.20688-1-oskari@lemmela.net> <20181201100817.20688-3-oskari@lemmela.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20181201100817.20688-3-oskari@lemmela.net> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Oskari Lemmela , Rob Herring , Mark Rutland , Heiko Stuebner Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org 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 > --- > 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>;