Jian-Hong Pan wrote: > 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@xxxxxxxxxxxxx> > --- > 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 { > -- > 2.28.0 I saw a similar patch posted at https://lkml.org/lkml/2021/7/15/752. I was wondering if one of these patches will be submitted to mainline, or what the status on this patch is. I can confirm that this does solve the issue on my Pinebook Pro. Will this go forward?
