On Thu, Dec 9, 2021, at 05:45, Hector Martin wrote:
> This is required for DCP to boot successfully; it seems if power gating
> is allowed, they do not wake up properly.
>
> Signed-off-by: Hector Martin <marcan@xxxxxxxxx>
Reviewed-by: Sven Peter <sven@xxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/apple/t8103-pmgr.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
> b/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
> index 1310be74df1d..fc51bc872468 100644
> --- a/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
> +++ b/arch/arm64/boot/dts/apple/t8103-pmgr.dtsi
> @@ -665,6 +665,7 @@ ps_dispext_cpu0: power-controller@378 {
> #reset-cells = <0>;
> label = "dispext_cpu0";
> power-domains = <&ps_dispext_fe>;
> + apple,min-state = <4>;
> };
>
> ps_jpg: power-controller@3c0 {
> @@ -1005,6 +1006,7 @@ ps_disp0_cpu0: power-controller@10018 {
> label = "disp0_cpu0";
> power-domains = <&ps_disp0_fe>;
> apple,always-on; /* TODO: figure out if we can enable PM here */
> + apple,min-state = <4>;
> };
> };
>
> --
> 2.33.0
