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SubjectRe: [v3,2/3] arm64: dts: qcom: sc7180: Add gpu cooling support
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On 10/29/2020 6:09 AM, mka@chromium.org wrote:
> 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@codeaurora.org>
>> ---
>> 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'.
aah! you are correct.

--Akhil
>
>> + cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
>> + };
>> + };
>> };
>>
>> aoss1-thermal {
>
>
> Other than the C&P error:
>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>

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