From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Michael McAllister <me@michaelmcallister.org>,
Bjorn Andersson <andersson@kernel.org>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] arm64: dts: qcom: sm6115: Correct cluster idle state parameters
Date: Mon, 26 Oct 2026 11:18:07 +0100 [thread overview]
Message-ID: <4e7c426b-f3c1-433c-9d9d-45fad28aa5e8@oss.qualcomm.com> (raw)
In-Reply-To: <b73aaefa59c2aa795af8e1c4ab117b0857b332b0.1792840208.git.me@michaelmcallister.org>
On 10/24/26 1:10 PM, Michael McAllister wrote:
> The cluster state IDs encode unsupported CPU modes: the GDHS entries
> request CPU mode 2 and the power-collapse entries request CPU mode 4.
> The CPU power-collapse state is mode 3, as already used by the CPU
> idle-state nodes. The GDHS entries also omit the cluster affinity level,
> and cluster 1 requests cluster power collapse instead of GDHS.
>
> The downstream Bengal power description [1] defines CPU power collapse
> as mode 3, cluster GDHS as mode 2 and cluster power collapse as mode 4,
> with cluster mode shifted by four bits. Its idle driver [2] combines
> these with bit 30 for CPU reset and bits 25:24 for the affinity level.
> For either cluster this yields 0x41000023 for GDHS and 0x41000043 for
> power collapse. The Motorola SM4250 tree uses the same power description,
> byte-for-byte, as the Xiaomi SM6115 release cited here.
>
> Correct the shared states to match this interface. This replaces the
> board-specific overrides used by the Motorola Moto G10. Runtime testing
> is limited to that device; the downstream sources provide the common
> SM6115/SM4250 encoding evidence.
This paragraph needs to go. It's a conclusion of your LLM's local
work and doesn't make sense in the upstream git history
otherwise:
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2026-10-26 10:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-24 11:10 [PATCH v2 0/3] arm64: dts: qcom: Add initial Motorola Moto G10 support Michael McAllister
2026-10-24 11:10 ` [PATCH v2 1/3] arm64: dts: qcom: sm6115: Correct cluster idle state parameters Michael McAllister
2026-10-26 10:18 ` Konrad Dybcio [this message]
2026-10-24 11:10 ` [PATCH v2 3/3] arm64: dts: qcom: Add Motorola Moto G10 Michael McAllister
2026-10-26 10:18 ` Konrad Dybcio
2026-10-24 11:10 ` [PATCH v2 2/3] dt-bindings: arm: " Michael McAllister
2026-10-26 11:08 ` Krzysztof Kozlowski
2026-10-26 22:10 ` [PATCH v3 0/3] arm64: dts: qcom: Add initial Motorola Moto G10 support Michael McAllister
2026-10-26 22:10 ` [PATCH v3 3/3] arm64: dts: qcom: Add Motorola Moto G10 Michael McAllister
2026-10-26 22:10 ` [PATCH v3 1/3] arm64: dts: qcom: sm6115: Correct cluster idle state parameters Michael McAllister
2026-10-26 22:10 ` [PATCH v3 2/3] dt-bindings: arm: qcom: Add Motorola Moto G10 Michael McAllister
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