Re: [PATCH v4 3/3] arm64: dts: qcom: sm8750: describe all MDSS block resets
From: Konrad Dybcio
Date: Fri Nov 13 2026 - 05:37:40 EST
On 11/13/26 9:36 AM, Qianhui Xu wrote:
> The SM8750 display clock controller provides, beside the MDSS core
> reset, a block reset for the MDSS core INT2 interrupt controller. The
> MDSS node is an interrupt controller in DT and the DPU takes its IRQ
> from it, so INT2 is part of the same block, not a separate device.
>
> Bootloaders hand over with the display block still running, so describe
> both block resets and let the MDSS reset return the whole group to a
> known state before any display hardware is programmed.
>
> Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> Signed-off-by: Qianhui Xu <xiaqinghuan@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Konrad