Re: [RFC resend 3/4] arm64: dts: mt8173: Fix drm subsystem

From: CK Hu
Date: Fri Oct 20 2017 - 05:17:05 EST


Hi, Matthias:

On Thu, 2017-10-19 at 13:26 +0200, Matthias Brugger wrote:
> DRM subysystem and clock driver shared the same compatible mmsys.
> This stopped does not work, as only the first driver for a compatible
> gets probed. We change the comaptible to the new DRM identifier to fix
> this.
>
> Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
> ---
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index b99a27372965..89db0a3f5950 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -803,6 +803,11 @@
> #clock-cells = <1>;
> };
>
> + dispsys: display-system {
> + compatible = "mediatek,mt2701-dispsys";

Why do you probe "mediatek,mt2701-dispsys" in mt8173.dtsi?

Regards,
CK

> + mediatek,mmsys = <&mmsys>;
> + }
> +
> mdp_rdma0: rdma@14001000 {
> compatible = "mediatek,mt8173-mdp-rdma",
> "mediatek,mt8173-mdp";