From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Xin Liu <xin.liu@oss.qualcomm.com>,
andersson@kernel.org, konradybcio@kernel.org,
abelvesa@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, tingwei.zhang@oss.qualcomm.com,
jie.gan@oss.qualcomm.com
Subject: Re: [PATCH v1] arm64: dts: qcom: kaanapali: Split cluster power domains
Date: Tue, 20 Oct 2026 15:43:56 +0200 [thread overview]
Message-ID: <11891012-6a4e-4d7c-8155-cd8266e00bc8@oss.qualcomm.com> (raw)
In-Reply-To: <20261020063721.2306679-1-xin.liu@oss.qualcomm.com>
On 10/20/26 8:37 AM, Xin Liu wrote:
> KNP has two CPU clusters (cluster0: cpu0-cpu5, cluster1: cpu6-cpu7),
> but both share a single cluster_pd. Even though their domain-idle-state
> configurations are identical, sharing one power-domain node means the
> kernel's PSCI domain idle refcounting merges both clusters together,
> preventing either cluster from entering idle independently.
>
> Split cluster_pd into cluster0_pd and cluster1_pd so each cluster is
> tracked separately by the PSCI domain idle logic.
>
> Link: https://lore.kernel.org/linux-arm-msm/1ee9b624-4580-4650-8e48-d517ce9eee3d@oss.qualcomm.com/
> Signed-off-by: Xin Liu <xin.liu@oss.qualcomm.com>
> ---
Reported-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
prev parent reply other threads:[~2026-10-20 13:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-20 6:37 Xin Liu
2026-10-20 13:02 ` Abel Vesa
2026-10-20 13:43 ` Konrad Dybcio [this message]
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