linux-kernel - Re: [PATCH v2 09/13] arm64: dts: qcom: sdm845-lg-judyln: Add fb

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Message-ID: <de1a7ecb-924d-4ed2-8034-721b8dce69d4@oss.qualcomm.com>
Date: Wed, 17 Sep 2025 15:59:10 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Paul Sajna <sajattack@...tmarketos.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, David Heidelberg <david@...t.cz>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        Amir Dahan <system64fumo@...tonmail.com>,
        Christopher Brown <crispybrown@...il.com>
Subject: Re: [PATCH v2 09/13] arm64: dts: qcom: sdm845-lg-judyln: Add fb_panel
 dimensions

On 9/17/25 3:09 AM, Paul Sajna wrote:
> Add display dimensions for proper scaling
> 
> Signed-off-by: Paul Sajna <sajattack@...tmarketos.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> index e84b45ed82fd13850ea7ec1f34ddac5b59fc1434..8c1692f86e6ceea7b718361965e78f95d39373bb 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> @@ -23,6 +23,13 @@ framebuffer@...00000 {
>  			format = "a8r8g8b8";
>  			lab-supply = <&lab>;
>  			ibb-supply = <&ibb>;
> +
> +			panel = <&fb_panel>;
> +
> +			fb_panel: fb-panel {
> +				width-mm = <65>;
> +				height-mm = <140>;

It'd be nicer if you moved these properties to the actual panel
node (the DSI one) and referenced that one instead (I think that
should work)

Konrad