From: Ulf Hansson <ulf.hansson@linaro.org>
To: Konrad Dybcio <konradybcio@kernel.org>
Cc: Johan Hovold <johan+linaro@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Taniya Das <taniya.das@oss.qualcomm.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Taniya Das <quic_tdas@quicinc.com>,
Imran Shaik <quic_imrashai@quicinc.com>,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
Dmitry Baryshkov <lumag@kernel.org>,
cros-qcom-dts-watchers@chromium.org,
Douglas Anderson <dianders@chromium.org>,
Vinod Koul <vkoul@kernel.org>,
Richard Acayan <mailingradian@gmail.com>,
Andy Gross <andy.gross@linaro.org>,
Ajit Pandey <quic_ajipan@quicinc.com>,
Luca Weiss <luca.weiss@fairphone.com>,
Jonathan Marek <jonathan@marek.ca>,
Neil Armstrong <neil.armstrong@linaro.org>,
Jagadeesh Kona <quic_jkona@quicinc.com>,
Akhil P Oommen <akhilpo@oss.qualcomm.com>,
Marijn Suijten <marijn.suijten@somainline.org>,
linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Subject: Re: [RFC PATCH 00/24] GPU_CC power requirements reality check
Date: Tue, 19 Aug 2025 14:27:08 +0200 [thread overview]
Message-ID: <CAPDyKFqOBJxnNWWQvrFLy=w2FWb9bh0EvQ4_3d3zRBaDMWF03w@mail.gmail.com> (raw)
In-Reply-To: <20250728-topic-gpucc_power_plumbing-v1-0-09c2480fe3e6@oss.qualcomm.com>
On Mon, 28 Jul 2025 at 18:16, Konrad Dybcio <konradybcio@kernel.org> wrote:
>
> In an effort parallel to [1], the GPU clock controller requires more
> than 0/1 power domains to function properly.
> Describe these dependencies to ensure the hardware can always power on
> safely.
>
> Patches 1 & 2 are separate (but related) fixes, which need to be
> merged before the DT change for SC8280XP.
>
> Posting as RFC since I only got to test it on SC8280XP(-crd).
>
> [1] https://lore.kernel.org/all/20250530-videocc-pll-multi-pd-voting-v5-0-02303b3a582d@quicinc.com/
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
This doesn't apply, as I have just queued up a series from Dmitry [1]
that requires this to be re-based on top of my next branch. Please
submit a new version.
Kind regards
Uffe
[1]
https://lore.kernel.org/all/20250718-rework-rpmhpd-rpmpd-v1-0-eedca108e540@oss.qualcomm.com/
> ---
> Konrad Dybcio (24):
> dt-bindings: power: qcom,rpmpd: Add SC8280XP_MXC_AO
> pmdomain: qcom: rpmhpd: Add MXC to SC8280XP
> dt-bindings: clock: qcom,gpucc: Merge in sm8450-gpucc.yaml
> dt-bindings: clock: qcom,gpucc: Describe actual power domain plumbing
> dt-bindings: clock: qcom,gpucc: Sort out SA8540P constraints
> arm64: dts: qcom: qcs8300: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sa8540p: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sa8775p: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sar2130p: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sc7180: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sc7280: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sc8180x: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sc8280xp: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sdm670: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sdm845: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm4450: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm6350: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm8150: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm8250: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm8350: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm8450: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm8550: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: sm8650: Describe GPU_CC power plumbing requirements
> arm64: dts: qcom: x1e80100: Describe GPU_CC power plumbing requirements
>
> .../devicetree/bindings/clock/qcom,gpucc.yaml | 155 ++++++++++++++++++---
> .../bindings/clock/qcom,sm8450-gpucc.yaml | 75 ----------
> arch/arm64/boot/dts/qcom/qcs8300.dtsi | 6 +
> arch/arm64/boot/dts/qcom/sa8155p.dtsi | 6 +
> arch/arm64/boot/dts/qcom/sa8540p.dtsi | 6 +-
> arch/arm64/boot/dts/qcom/sa8775p.dtsi | 5 +
> arch/arm64/boot/dts/qcom/sar2130p.dtsi | 5 +
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 5 +
> arch/arm64/boot/dts/qcom/sc7280.dtsi | 5 +
> arch/arm64/boot/dts/qcom/sc8180x.dtsi | 5 +
> arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 6 +-
> arch/arm64/boot/dts/qcom/sdm670.dtsi | 4 +
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 4 +
> arch/arm64/boot/dts/qcom/sm4450.dtsi | 4 +
> arch/arm64/boot/dts/qcom/sm6350.dtsi | 4 +
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 4 +
> arch/arm64/boot/dts/qcom/sm8250.dtsi | 5 +
> arch/arm64/boot/dts/qcom/sm8350.dtsi | 6 +
> arch/arm64/boot/dts/qcom/sm8450.dtsi | 6 +
> arch/arm64/boot/dts/qcom/sm8550.dtsi | 6 +
> arch/arm64/boot/dts/qcom/sm8650.dtsi | 5 +
> arch/arm64/boot/dts/qcom/x1e80100.dtsi | 6 +
> drivers/pmdomain/qcom/rpmhpd.c | 4 +
> include/dt-bindings/power/qcom-rpmpd.h | 1 +
> 24 files changed, 240 insertions(+), 98 deletions(-)
> ---
> base-commit: 0b90c3b6d76ea512dc3dac8fb30215e175b0019a
> change-id: 20250728-topic-gpucc_power_plumbing-646275aec2cb
>
> Best regards,
> --
> Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>
prev parent reply other threads:[~2025-08-19 12:27 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-28 16:16 [RFC PATCH 00/24] GPU_CC power requirements reality check Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 01/24] dt-bindings: power: qcom,rpmpd: Add SC8280XP_MXC_AO Konrad Dybcio
2025-07-30 22:01 ` Rob Herring (Arm)
2025-07-28 16:16 ` [PATCH RFC 02/24] pmdomain: qcom: rpmhpd: Add MXC to SC8280XP Konrad Dybcio
2025-07-31 20:31 ` Dmitry Baryshkov
2025-07-28 16:16 ` [PATCH RFC 03/24] dt-bindings: clock: qcom,gpucc: Merge in sm8450-gpucc.yaml Konrad Dybcio
2025-07-30 22:04 ` Rob Herring (Arm)
2025-07-28 16:16 ` [PATCH RFC 04/24] dt-bindings: clock: qcom,gpucc: Describe actual power domain plumbing Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 05/24] dt-bindings: clock: qcom,gpucc: Sort out SA8540P constraints Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 06/24] arm64: dts: qcom: qcs8300: Describe GPU_CC power plumbing requirements Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 07/24] arm64: dts: qcom: sa8540p: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 08/24] arm64: dts: qcom: sa8775p: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 09/24] arm64: dts: qcom: sar2130p: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 10/24] arm64: dts: qcom: sc7180: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 11/24] arm64: dts: qcom: sc7280: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 12/24] arm64: dts: qcom: sc8180x: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 13/24] arm64: dts: qcom: sc8280xp: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 14/24] arm64: dts: qcom: sdm670: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 15/24] arm64: dts: qcom: sdm845: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 16/24] arm64: dts: qcom: sm4450: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 17/24] arm64: dts: qcom: sm6350: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 18/24] arm64: dts: qcom: sm8150: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 19/24] arm64: dts: qcom: sm8250: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 20/24] arm64: dts: qcom: sm8350: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 21/24] arm64: dts: qcom: sm8450: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 22/24] arm64: dts: qcom: sm8550: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 23/24] arm64: dts: qcom: sm8650: " Konrad Dybcio
2025-07-28 16:16 ` [PATCH RFC 24/24] arm64: dts: qcom: x1e80100: " Konrad Dybcio
2025-07-28 17:10 ` Stephan Gerhold
2025-07-28 21:31 ` Konrad Dybcio
2025-07-29 6:34 ` Stephan Gerhold
2025-07-29 8:23 ` Konrad Dybcio
2025-07-29 13:28 ` Konrad Dybcio
2025-07-29 15:44 ` Stephan Gerhold
2025-07-29 22:08 ` Akhil P Oommen
2025-08-19 12:27 ` Ulf Hansson [this message]
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