# 架构

温控架构说明了 Qualcomm Linux 的温控框架如何与温度传感器 (Tsens) 硬件、cooling-map 接口和用户空间客户端交互。

![../../_images/thermal_arch.png](data:image/png;base64,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)

**图：温控架构**

表：温控架构组件的说明

| 温控架构的组件 | 说明 |
| --- | --- |
| 温控设备树 | <ul class="simple"><br><li><p>为每个 Tsens 配置一个 thermal zone。</p></li><br><li><p>每个 thermal zone 都由传感器硬件信息、不同级别的温控门限及其各自的降温操作组成。</p></li><br><li><p>thermal zone 的所有规则都在设备树中定义。</p></li><br></ul> |
| 温控框架 | 温控框架从设备树中解析 thermal zone 规则，并将 Tsens 硬件配置为在温度超过门限时生成中断。 |
| 温控调节器 | <ul class="simple"><br><li><p>温控调节器是一种温度监视算法，用于控制 thermal zone 的温度。</p></li><br><li><p>它可调节与该策略相关的 cooling device，并将温度保持在限值范围内。</p></li><br><li><p>在收到来自 Tsens 硬件的中断通知后，温控框架使用 stepwise 温控调节器将降温操作传达给 cooling map 接口（CPU 频率驱动程序）。</p></li><br></ul> |
| Cooling map 接口 | <ul class="simple"><br><li><p>Cooling map 接口是可以节流以降低 Qualcomm Linux 温度的设备集合。</p></li><br><li><p>thermal zone 的每个 trip 实例都与 cooling device 关联。</p></li><br><li><p>温控核心框架会聚合所有 cooling device 实例的请求，并将聚合后的请求发送给 cooling device。</p></li><br></ul> |
| 用户空间客户端 | 用户空间客户端使用以下接口与温控框架通信：<br><br><br><br>> <br>> <br>> <ul class="simple"><br>> <li><p><code class="docutils literal notranslate"><span class="pre">sysfs</span></code> 接口：用于读取 Tsens 的温度和内核 trip 信息。</p></li><br>> <li><p><code class="docutils literal notranslate"><span class="pre">Netlink</span></code> 接口：获取 Tsens 温度通知信息。</p></li><br>> </ul> |

## 温控调节策略

Qualcomm Linux 内置了软件和硬件调节策略，可用于调节设备的温控行为。

温控框架根据需要应用调节策略，并按以下方式运行：

- 使用片上 Tsens 监视系统的温控响应
- 根据设备树的温控门限限值应用调节
- 提供软件节流、硬件节流、软件关机和硬件关机调节策略来控制温度

表：温度管理技术和说明

| 温度管理技术 | 说明 |
| --- | --- |
| 软件节流 | <ul><br><li><p>每当系统中的温度超过配置的门限时，Tsens 就会触发中断。</p></li><br><li><p>温控框架为响应中断在 CPU、GPU 和 NSP 上启动以下调节操作：</p><ul><br><li><p>温控 DCVS</p><ul class="simple"><br><li><p>如果超过温度门限，则降低最大工作频率</p></li><br><li><p>电压调节根据时钟调节而发生，从而降低功耗和温度</p></li><br></ul><br></li><br><li><p>CPU 空闲注入</p><br><p>核心在配置的空闲时间内处于最深的低功耗状态。</p><br></li><br></ul><br></li><br></ul> |
| 硬件节流 | <ul class="simple"><br><li><p>内置硬件执行温控调节操作，确保系统可靠性</p></li><br><li><p>降低 CPU 和 NSP 时钟速度，以便从高热条件下快速恢复</p></li><br></ul> |
| 软件关机 | 在收到 Tsens 的中断后，温控框架将启动正常关机。 |
| 硬件关机 | 硬件启动设备关机。 |

Note

温控调节技术仅供参考。它们有助于了解高热条件下的性能回归。

下表显示了发生内置软件和硬件调节时的温度。

Tab QCS6490/QCS5430
Tab QCS9075
Tab QCS8275

| 调节操作 | CPU | NSP | GPU |
| --- | --- | --- | --- |
| 软件节流 | 115 ºC<br><br><br>调节操作：核心空闲注入 | 110 ºC<br><br><br>调节操作：频率限制 | 105 ºC<br><br><br>调节操作：频率限制 |
| 硬件节流 | 105 ºC<br><br><br>调节操作：频率限制 | 102 ºC<br><br><br>调节操作：频率限制 | 不适用 |
| 软件关机 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 |
| 硬件关机 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 |

| 调节操作 | CPU | NSP | GPU |
| --- | --- | --- | --- |
| 软件节流 | 116 ºC<br><br><br>调节操作：核心空闲注入 | 105 ºC<br><br><br>调节操作：频率限制 | 105 ºC<br><br><br>调节操作：频率限制 |
| 硬件节流 | 110 ºC<br><br><br>调节操作：频率限制 | 110 ºC<br><br><br>调节操作：频率限制 | 不适用 |
| 软件关机 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 |
| 硬件关机 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 |

| 调节操作 | CPU | NSP | GPU |
| --- | --- | --- | --- |
| 软件节流 | 116 ºC<br><br><br>调节操作：核心空闲注入 | 105 ºC<br><br><br>调节操作：频率限制 | 105 ºC<br><br><br>调节操作：频率限制 |
| 硬件节流 | 110 ºC<br><br><br>调节操作：频率限制 | 110 ºC<br><br><br>调节操作：频率限制 | 不适用 |
| 软件关机 | 118 ºC<br><br><br>调节操作施：设备关闭 | 118 ºC<br><br><br>调节操作施：设备关闭 | 118 ºC<br><br><br>调节操作施：设备关闭 |
| 硬件关机 | 120 ºC<br><br><br>调节操作施：设备关闭 | 120 ºC<br><br><br>调节操作施：设备关闭 | 120 ºC<br><br><br>调节操作施：设备关闭 |

Note

要调节热条件，可以基于 PCB 热敏电阻创建自己的 thermal zone 规则。有关详细信息，参见[配置新的 thermal zone](https://docs.qualcomm.com/doc/80-70017-30SC/topic/customize.html#section-lq4-xxb-51c)。

Last Published: Apr 27, 2025

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Source: [https://docs.qualcomm.com/doc/80-70017-30SC/topic/thermal-architecture.html](https://docs.qualcomm.com/doc/80-70017-30SC/topic/thermal-architecture.html)