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From: Jian-Hong Pan <jhp@endlessos.org>

To: Rob Herring <robh+dt@kernel.org>, Heiko Stuebner <heiko@sntech.de>,

 Soeren Moch <smoch@web.de>, Tobias Schramm <t.schramm@manjaro.org>,

 Johan Jonker <jbx6244@gmail.com>,

 Katsuhiro Suzuki <katsuhiro@katsuster.net>,

 Hugh Cole-Baker <sigmaris@gmail.com>, Robin Murphy <robin.murphy@arm.com>

Subject: [PATCH] arm64: dts: rockchip: disable USB type-c DisplayPort

Date: Thu, 24 Sep 2020 14:30:43 +0800

Message-Id: <20200924063042.41545-1-jhp@endlessos.org>

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Cc: devicetree@vger.kernel.org, Jian-Hong Pan <jhp@endlessos.org>,

 linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,

 linux@endlessm.com, linux-arm-kernel@lists.infradead.org

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Errors-To: 

 linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org

The cdn-dp sub driver probes the device failed on PINEBOOK Pro.

kernel: cdn-dp fec00000.dp: [drm:cdn_dp_probe [rockchipdrm]] *ERROR* missing extcon or phy

kernel: cdn-dp: probe of fec00000.dp failed with error -22

Then, the device halts all of the DRM related device jobs. For example,

the operations: vop_component_ops, vop_component_ops and

rockchip_dp_component_ops cannot be bound to corresponding devices. So,

Xorg cannot find the correct DRM device.

The USB type-C DisplayPort does not work for now. So, disable the

DisplayPort node until the type-C phy work has been done.

Link: https://patchwork.kernel.org/patch/11794141/#23639877

Signed-off-by: Jian-Hong Pan <jhp@endlessos.org>

---

 arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts

index 06d48338c836..d624c595c533 100644

--- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts

+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts

@@ -380,7 +380,7 @@ mains_charger: dc-charger {

 };

 &cdn_dp {

-	status = "okay";

+	status = "disabled";

 };

 &cpu_b0 {