From: Rob Herring <robh@kernel.org>
To: Akhil P Oommen <akhilpo@codeaurora.org>
Cc: freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
dri-devel@freedesktop.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, jcrouse@codeaurora.org,
mka@chromium.org, robdclark@gmail.com, dianders@chromium.org
Subject: Re: [PATCH v2 3/3] dt-bindings: drm/msm/gpu: Add cooling device support
Date: Mon, 26 Oct 2020 08:37:50 -0500 [thread overview]
Message-ID: <20201026133750.GA41262@bogus> (raw)
In-Reply-To: <1603113268-21161-3-git-send-email-akhilpo@codeaurora.org>
On Mon, Oct 19, 2020 at 06:44:28PM +0530, Akhil P Oommen wrote:
> Add cooling device support to gpu. A cooling device is bound to a
> thermal zone to allow thermal mitigation.
>
> Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
> ---
> Documentation/devicetree/bindings/display/msm/gpu.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
> index 1af0ff1..a496381 100644
> --- a/Documentation/devicetree/bindings/display/msm/gpu.txt
> +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
> @@ -39,6 +39,10 @@ Required properties:
> a4xx Snapdragon SoCs. See
> Documentation/devicetree/bindings/sram/qcom,ocmem.yaml.
>
> +Optional properties:
> +- #cooling-cells: The value must be 2. Please refer
> + Documentation/devicetree/bindings/thermal/thermal.txt for detail.
This file doesn't exist anymore.
> +
> Example 3xx/4xx:
>
> / {
> @@ -61,6 +65,7 @@ Example 3xx/4xx:
> power-domains = <&mmcc OXILICX_GDSC>;
> operating-points-v2 = <&gpu_opp_table>;
> iommus = <&gpu_iommu 0>;
> + #cooling-cells = <2>;
> };
>
> gpu_sram: ocmem@fdd00000 {
> @@ -98,6 +103,8 @@ Example a6xx (with GMU):
> reg = <0x5000000 0x40000>, <0x509e000 0x10>;
> reg-names = "kgsl_3d0_reg_memory", "cx_mem";
>
> + #cooling-cells = <2>;
> +
> /*
> * Look ma, no clocks! The GPU clocks and power are
> * controlled entirely by the GMU
> --
> 2.7.4
>
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Akhil P Oommen <akhilpo@codeaurora.org>
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, dianders@chromium.org,
mka@chromium.org, dri-devel@freedesktop.org,
freedreno@lists.freedesktop.org
Subject: Re: [PATCH v2 3/3] dt-bindings: drm/msm/gpu: Add cooling device support
Date: Mon, 26 Oct 2020 08:37:50 -0500 [thread overview]
Message-ID: <20201026133750.GA41262@bogus> (raw)
In-Reply-To: <1603113268-21161-3-git-send-email-akhilpo@codeaurora.org>
On Mon, Oct 19, 2020 at 06:44:28PM +0530, Akhil P Oommen wrote:
> Add cooling device support to gpu. A cooling device is bound to a
> thermal zone to allow thermal mitigation.
>
> Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
> ---
> Documentation/devicetree/bindings/display/msm/gpu.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
> index 1af0ff1..a496381 100644
> --- a/Documentation/devicetree/bindings/display/msm/gpu.txt
> +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
> @@ -39,6 +39,10 @@ Required properties:
> a4xx Snapdragon SoCs. See
> Documentation/devicetree/bindings/sram/qcom,ocmem.yaml.
>
> +Optional properties:
> +- #cooling-cells: The value must be 2. Please refer
> + Documentation/devicetree/bindings/thermal/thermal.txt for detail.
This file doesn't exist anymore.
> +
> Example 3xx/4xx:
>
> / {
> @@ -61,6 +65,7 @@ Example 3xx/4xx:
> power-domains = <&mmcc OXILICX_GDSC>;
> operating-points-v2 = <&gpu_opp_table>;
> iommus = <&gpu_iommu 0>;
> + #cooling-cells = <2>;
> };
>
> gpu_sram: ocmem@fdd00000 {
> @@ -98,6 +103,8 @@ Example a6xx (with GMU):
> reg = <0x5000000 0x40000>, <0x509e000 0x10>;
> reg-names = "kgsl_3d0_reg_memory", "cx_mem";
>
> + #cooling-cells = <2>;
> +
> /*
> * Look ma, no clocks! The GPU clocks and power are
> * controlled entirely by the GMU
> --
> 2.7.4
>
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next prev parent reply other threads:[~2020-10-26 13:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-19 13:14 [PATCH v2 1/3] drm/msm: Add support for GPU cooling Akhil P Oommen
2020-10-19 13:14 ` Akhil P Oommen
2020-10-19 13:14 ` [PATCH v2 2/3] arm64: dts: qcom: sc7180: Add gpu cooling support Akhil P Oommen
2020-10-19 13:14 ` Akhil P Oommen
2020-10-19 13:14 ` [PATCH v2 3/3] dt-bindings: drm/msm/gpu: Add cooling device support Akhil P Oommen
2020-10-19 13:14 ` Akhil P Oommen
2020-10-26 13:37 ` Rob Herring [this message]
2020-10-26 13:37 ` Rob Herring
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