Re: [PATCH v5] dt-bindings: gpu: mali-utgard: Add the #cooling-cells property

2020-04-20 Thread Rob Herring
On Sat, 11 Apr 2020 18:57:00 +0200, Martin Blumenstingl wrote:
> The GPU can be one of the big heat sources on a SoC. Allow the
> "#cooling-cells" property to be specified for ARM Mali Utgard GPUs so
> the GPU clock speeds (and voltages) can be reduced to prevent a SoC from
> overheating.
> 
> Reviewed-by: Qiang Yu 
> Signed-off-by: Martin Blumenstingl 
> ---
> Changes since v4 at [0]:
> - Added Qiang's Reviewed-by (many thanks)
> - re-send because I missed the devicetree mailing list in v4
> 
> 
> [0] https://patchwork.kernel.org/patch/11448013/
> 
> 
>  Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml | 4 
>  1 file changed, 4 insertions(+)
> 

Applied, thanks.

Rob
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Re: [PATCH v5] dt-bindings: gpu: mali-utgard: Add the #cooling-cells property

2020-04-15 Thread Neil Armstrong
On 11/04/2020 18:57, Martin Blumenstingl wrote:
> The GPU can be one of the big heat sources on a SoC. Allow the
> "#cooling-cells" property to be specified for ARM Mali Utgard GPUs so
> the GPU clock speeds (and voltages) can be reduced to prevent a SoC from
> overheating.
> 
> Reviewed-by: Qiang Yu 
> Signed-off-by: Martin Blumenstingl 
> ---
> Changes since v4 at [0]:
> - Added Qiang's Reviewed-by (many thanks)
> - re-send because I missed the devicetree mailing list in v4
> 
> 
> [0] https://patchwork.kernel.org/patch/11448013/
> 
> 
>  Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml | 4 
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml 
> b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
> index f5401cc8de4a..4869258daadb 100644
> --- a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
> +++ b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
> @@ -107,6 +107,9 @@ properties:
>  
>operating-points-v2: true
>  
> +  "#cooling-cells":
> +const: 2
> +
>  required:
>- compatible
>- reg
> @@ -164,6 +167,7 @@ examples:
>clocks = < 1>, < 2>;
>clock-names = "bus", "core";
>resets = < 1>;
> +  #cooling-cells = <2>;
>  };
>  
>  ...
> 

Reviewed-by: Neil Armstrong 
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[PATCH v5] dt-bindings: gpu: mali-utgard: Add the #cooling-cells property

2020-04-13 Thread Martin Blumenstingl
The GPU can be one of the big heat sources on a SoC. Allow the
"#cooling-cells" property to be specified for ARM Mali Utgard GPUs so
the GPU clock speeds (and voltages) can be reduced to prevent a SoC from
overheating.

Reviewed-by: Qiang Yu 
Signed-off-by: Martin Blumenstingl 
---
Changes since v4 at [0]:
- Added Qiang's Reviewed-by (many thanks)
- re-send because I missed the devicetree mailing list in v4


[0] https://patchwork.kernel.org/patch/11448013/


 Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml | 4 
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml 
b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
index f5401cc8de4a..4869258daadb 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
@@ -107,6 +107,9 @@ properties:
 
   operating-points-v2: true
 
+  "#cooling-cells":
+const: 2
+
 required:
   - compatible
   - reg
@@ -164,6 +167,7 @@ examples:
   clocks = < 1>, < 2>;
   clock-names = "bus", "core";
   resets = < 1>;
+  #cooling-cells = <2>;
 };
 
 ...
-- 
2.26.0

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