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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
Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org>
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 {