[PATCH v4 2/2] arm64: dts: qcom: sc7280: Add gpu thermal zone cooling support

From: Akhil P Oommen
Date: Wed Aug 11 2021 - 10:19:12 EST


From: Manaf Meethalavalappu Pallikunhi <manafm@xxxxxxxxxxxxxx>

Add cooling-cells property and the cooling maps for the gpu thermal
zones to support GPU thermal cooling.

Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@xxxxxxxxxxxxxx>
Signed-off-by: Akhil P Oommen <akhilpo@xxxxxxxxxxxxxx>
---

(no changes since v1)

arch/arm64/boot/dts/qcom/sc7280.dtsi | 29 ++++++++++++++++++++++-------
1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index b9006d8..cd2bbf0 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -592,7 +592,7 @@
qcom,bcm-voters = <&apps_bcm_voter>;
};

- gpu@3d00000 {
+ gpu: gpu@3d00000 {
compatible = "qcom,adreno-635.0", "qcom,adreno";
#stream-id-cells = <16>;
reg = <0 0x03d00000 0 0x40000>,
@@ -607,6 +607,7 @@
qcom,gmu = <&gmu>;
interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>;
interconnect-names = "gfx-mem";
+ #cooling-cells = <2>;

gpu_opp_table: opp-table {
compatible = "operating-points-v2";
@@ -2523,16 +2524,16 @@
};

gpuss0-thermal {
- polling-delay-passive = <0>;
+ polling-delay-passive = <100>;
polling-delay = <0>;

thermal-sensors = <&tsens1 1>;

trips {
gpuss0_alert0: trip-point0 {
- temperature = <90000>;
+ temperature = <95000>;
hysteresis = <2000>;
- type = "hot";
+ type = "passive";
};

gpuss0_crit: gpuss0-crit {
@@ -2541,19 +2542,26 @@
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 = <&tsens1 2>;

trips {
gpuss1_alert0: trip-point0 {
- temperature = <90000>;
+ temperature = <95000>;
hysteresis = <2000>;
- type = "hot";
+ type = "passive";
};

gpuss1_crit: gpuss1-crit {
@@ -2562,6 +2570,13 @@
type = "critical";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&gpuss1_alert0>;
+ cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};

nspss0-thermal {
--
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