@@ -6173,19 +6173,19 @@ map0 {
trips {
gpu0_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
@@ -6206,19 +6206,19 @@ map0 {
trips {
gpu1_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
@@ -6239,19 +6239,19 @@ map0 {
trips {
gpu2_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
@@ -6272,19 +6272,19 @@ map0 {
trips {
gpu3_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
@@ -6305,19 +6305,19 @@ map0 {
trips {
gpu4_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
@@ -6338,19 +6338,19 @@ map0 {
trips {
gpu5_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
@@ -6371,19 +6371,19 @@ map0 {
trips {
gpu6_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
@@ -6404,19 +6404,19 @@ map0 {
trips {
gpu7_alert0: trip-point0 {
- temperature = <85000>;
+ temperature = <95000>;
hysteresis = <1000>;
type = "passive";
};
trip-point1 {
- temperature = <90000>;
+ temperature = <115000>;
hysteresis = <1000>;
type = "hot";
};
trip-point2 {
- temperature = <110000>;
+ temperature = <125000>;
hysteresis = <1000>;
type = "critical";
};
On the SM8650, the dynamic clock and voltage scaling (DCVS) for the GPU is done in an hardware controlled loop by the GPU Management Unit (GMU). Since the GMU does a better job at maintaining the GPUs temperature in an acceptable range by taking in account more parameters like the die characteristics or other internal sensors, it makes no sense to try and reproduce a similar set of constraints with the Linux devfreq thermal core. Instead, set higher temperatures in the GPU trip points corresponding to the temperatures provided by Qualcomm in the dowstream source, which will trigger the devfreq thermal core if the GMU cannot handle the temperature surge, and try our best to avoid reaching the critical temperature trip point which should trigger an inevitable thermal shutdown. Fixes: 497624ed5506 ("arm64: dts: qcom: sm8650: Throttle the GPU when overheating") Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- arch/arm64/boot/dts/qcom/sm8650.dtsi | 48 ++++++++++++++++++------------------ 1 file changed, 24 insertions(+), 24 deletions(-)