Received-SPF: pass (google.com: domain of linux-kernel+bounces-14418-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Tue, 02 Jan 2024 14:34:14 +0100
Subject: [PATCH 10/12] arm64: dts: qcom: sm8450: Hook up GPU cooling device
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Message-Id: <20240102-topic-gpu_cooling-v1-10-fda30c57e353@linaro.org>
References: <20240102-topic-gpu_cooling-v1-0-fda30c57e353@linaro.org>
In-Reply-To: <20240102-topic-gpu_cooling-v1-0-fda30c57e353@linaro.org>
To: Bjorn Andersson <andersson@kernel.org>, 
 Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>
Cc: Marijn Suijten <marijn.suijten@somainline.org>, 
 linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, Konrad Dybcio <konrad.dybcio@linaro.org>

In order to allow for throttling the GPU, hook up the cooling device
to the respective thermal zones. Also, update the trip point label
to be more telling, while at it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 01e4dfc4babd..8f5a093c8828 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -2038,6 +2038,7 @@ gpu: gpu@3d00000 {
 			operating-points-v2 = <&gpu_opp_table>;
 
 			qcom,gmu = <&gmu>;
+			#cooling-cells = <2>;
 
 			status = "disabled";
 
@@ -4890,6 +4891,13 @@ gpu-top-thermal {
 			polling-delay = <0>;
 			thermal-sensors = <&tsens0 14>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_top_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
 				thermal-engine-config {
 					temperature = <125000>;
@@ -4909,7 +4917,7 @@ reset-mon-cfg {
 					type = "passive";
 				};
 
-				gpu0_tj_cfg: tj-cfg {
+				gpu_top_alert0: trip-point0 {
 					temperature = <95000>;
 					hysteresis = <5000>;
 					type = "passive";
@@ -4922,6 +4930,13 @@ gpu-bottom-thermal {
 			polling-delay = <0>;
 			thermal-sensors = <&tsens0 15>;
 
+			cooling-maps {
+				map0 {
+					trip = <&gpu_bottom_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 			trips {
 				thermal-engine-config {
 					temperature = <125000>;
@@ -4941,7 +4956,7 @@ reset-mon-cfg {
 					type = "passive";
 				};
 
-				gpu1_tj_cfg: tj-cfg {
+				gpu_bottom_alert0: trip-point0 {
 					temperature = <95000>;
 					hysteresis = <5000>;
 					type = "passive";

-- 
2.43.0