diff options
Diffstat (limited to 'gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch')
| -rw-r--r-- | gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch b/gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch new file mode 100644 index 0000000000..51ab544d5e --- /dev/null +++ b/gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch @@ -0,0 +1,40 @@ +From 3a75704e99a118f2d8a4d70f07781558bde85770 Mon Sep 17 00:00:00 2001 +From: Jian-Hong Pan <jhp@endlessos.org> +Date: Thu, 24 Sep 2020 14:30:43 +0800 +Subject: [PATCH] arm64: dts: rockchip: disable USB type-c DisplayPort + +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 219b7507a10f..45769764425d 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 @@ + }; + + &cdn_dp { +- status = "okay"; ++ status = "disabled"; + }; + + &cpu_b0 { +-- +2.30.2 + |