Re: [PATCH 3/4] arm64: dts: qcom: sdm845: Add missing MDSS reset

[Konrad Dybcio]

On 2/17/26 10:20 PM, Dmitry Baryshkov wrote:
> From: David Heidelberg <david@xxxxxxx>
> 
> If the OS does not support recovering the state left by the
> bootloader it needs a way to reset display hardware, so that it can
> start from a clean state. Add a reference to the relevant reset.

This is not the relevant reset

You want MDSS_CORE_BCR @ 0xaf0_2000

Konrad

> 
> Signed-off-by: David Heidelberg <david@xxxxxxx>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> ---


>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index bf2f9c04adba..75c192eddc57 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -4550,6 +4550,7 @@ mdss: display-subsystem@ae00000 {
>  			reg-names = "mdss";
>  
>  			power-domains = <&dispcc MDSS_GDSC>;
> +			resets = <&dispcc DISP_CC_MDSS_RSCC_BCR>;
>  
>  			clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
>  				 <&dispcc DISP_CC_MDSS_MDP_CLK>;
>