Re: [PATCH v3 1/2] arm64: dts: qcom: split beryllium dts into common dtsi and tianma dts

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On 2022-08-07 02:32:19, Joel Selvaraj wrote:
> There are two panel variants of Xiaomi Poco F1. Tianma and EBBG panel.
> The previous beryllium dts supported the Tianma variant. In order to
> add support for EBBG variant, the common nodes from beryllium dts are
> moved to a new common dtsi and to make the variants distinguishable,
> sdm845-xiaomi-beryllium.dts is now named as
> sdm845-xiaomi-beryllium-tianma.dts
> 
> Signed-off-by: Joel Selvaraj <joelselvaraj.oss@xxxxxxxxx>

Nice, this is much more concise now and keeps the tree compiling _with
this dts_ at all times, at the detriment of stuffing "many" changes in a
single patch which is fine here, IMO.

I just hope users of this dtb notice the name changed (unless
unreferenced dtbs get cleaned after a dirty-rebuild) when their scripts
are inevitably hardcoded to take this specificly named dtb to flash to
the(ir) phone.

After giving both DTs a unique compatible as pointed out by Krzysztof,
please add my:

Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>

> ---
>  arch/arm64/boot/dts/qcom/Makefile                      |  2 +-
>  ...ryllium.dts => sdm845-xiaomi-beryllium-common.dtsi} |  9 +++++----
>  .../boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts   | 10 ++++++++++
>  3 files changed, 16 insertions(+), 5 deletions(-)
>  rename arch/arm64/boot/dts/qcom/{sdm845-xiaomi-beryllium.dts => sdm845-xiaomi-beryllium-common.dtsi} (98%)
>  create mode 100644 arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 2f8aec2cc6db..02db413b228c 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -106,7 +106,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-oneplus-fajita.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-akari.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-akatsuki.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-apollo.dtb
> -dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-beryllium.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-beryllium-tianma.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-shift-axolotl.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-samsung-w737.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi
> similarity index 98%
> rename from arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
> rename to arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi
> index d88dc07205f7..83edcb1171f5 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi
> @@ -221,8 +221,7 @@ &dsi0 {
>  	status = "okay";
>  	vdda-supply = <&vreg_l26a_1p2>;
>  
> -	panel@0 {
> -		compatible = "tianma,fhd-video";
> +	display_panel: panel@0 {
>  		reg = <0>;
>  		vddio-supply = <&vreg_l14a_1p8>;
>  		vddpos-supply = <&lab>;
> @@ -234,8 +233,10 @@ panel@0 {
>  		backlight = <&pmi8998_wled>;
>  		reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
>  
> +		status = "disabled";
> +
>  		port {
> -			tianma_nt36672a_in_0: endpoint {
> +			panel_in_0: endpoint {
>  				remote-endpoint = <&dsi0_out>;
>  			};
>  		};
> @@ -243,7 +244,7 @@ tianma_nt36672a_in_0: endpoint {
>  };
>  
>  &dsi0_out {
> -	remote-endpoint = <&tianma_nt36672a_in_0>;
> +	remote-endpoint = <&panel_in_0>;
>  	data-lanes = <0 1 2 3>;
>  };
>  
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
> new file mode 100644
> index 000000000000..fcbef5ad2909
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +/dts-v1/;
> +
> +#include "sdm845-xiaomi-beryllium-common.dtsi"
> +
> +&display_panel {
> +	compatible = "tianma,fhd-video";
> +	status = "okay";
> +};
> -- 
> 2.37.1
> 



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