Re: [v3,2/3] arm64: dts: qcom: sc7180: Add gpu cooling support

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Hi Akhil,

On Wed, Oct 28, 2020 at 07:09:53PM +0530, Akhil P Oommen wrote:
> Add cooling-cells property and the cooling maps for the gpu tzones
> to support GPU cooling.
> 
> Signed-off-by: Akhil P Oommen <akhilpo@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 30 +++++++++++++++++++++++-------
>  1 file changed, 23 insertions(+), 7 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index d46b383..a7ea029 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -2,7 +2,7 @@
>  /*
>   * SC7180 SoC device tree source
>   *
> - * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2019-20, The Linux Foundation. All rights reserved.
>   */
>  
>  #include <dt-bindings/clock/qcom,dispcc-sc7180.h>
> @@ -1886,6 +1886,8 @@
>  			operating-points-v2 = <&gpu_opp_table>;
>  			qcom,gmu = <&gmu>;
>  
> +			#cooling-cells = <2>;
> +
>  			interconnects = <&gem_noc MASTER_GFX3D &mc_virt SLAVE_EBI1>;
>  			interconnect-names = "gfx-mem";
>  
> @@ -3825,16 +3827,16 @@
>  		};
>  
>  		gpuss0-thermal {
> -			polling-delay-passive = <0>;
> +			polling-delay-passive = <100>;
>  			polling-delay = <0>;
>  
>  			thermal-sensors = <&tsens0 13>;
>  
>  			trips {
>  				gpuss0_alert0: trip-point0 {
> -					temperature = <90000>;
> +					temperature = <95000>;
>  					hysteresis = <2000>;
> -					type = "hot";
> +					type = "passive";
>  				};
>  
>  				gpuss0_crit: gpuss0_crit {
> @@ -3843,19 +3845,26 @@
>  					type = "critical";
>  				};
>  			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&gpuss0_alert0>;
> +					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +				};
> +			};
>  		};
>  
>  		gpuss1-thermal {
> -			polling-delay-passive = <0>;
> +			polling-delay-passive = <100>;
>  			polling-delay = <0>;
>  
>  			thermal-sensors = <&tsens0 14>;
>  
>  			trips {
>  				gpuss1_alert0: trip-point0 {
> -					temperature = <90000>;
> +					temperature = <95000>;
>  					hysteresis = <2000>;
> -					type = "hot";
> +					type = "passive";
>  				};
>  
>  				gpuss1_crit: gpuss1_crit {
> @@ -3864,6 +3873,13 @@
>  					type = "critical";
>  				};
>  			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&gpuss0_alert0>;

Copy & paste error, this should be 'gpuss1_alert0'.

> +					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +				};
> +			};
>  		};
>  
>  		aoss1-thermal {


Other than the C&P error:

Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
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