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

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Date:   Thu, 19 Oct 2017 14:38:38 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        ulrich.hecht+renesas@...il.com, laurent.pinchart@...asonboard.com,
        ck.hu@...iatek.com, airlied@...ux.ie, robh+dt@...nel.org,
        mark.rutland@....com
Cc:     linux@...linux.org.uk, catalin.marinas@....com,
        will.deacon@....com, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Matthias Brugger <mbrugger@...e.com>
Subject: Re: [RFC resend 3/4] arm64: dts: mt8173: Fix drm subsystem

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@...e.com>
> ---
>  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";

Same comment as for patch 1, I'd prefer the node to be called
"display-
subsystem" instead.

With that changed,
Acked-by: Philipp Zabel <p.zabel@...gutronix.de>

> +			mediatek,mmsys = <&mmsys>;
> +		}
> +
>  		mdp_rdma0: rdma@...01000 {
>  			compatible = "mediatek,mt8173-mdp-rdma",
>  				     "mediatek,mt8173-mdp";

regards
Philipp