From patchwork Wed Dec 20 23:17:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Luba X-Patchwork-Id: 757378 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 148DE4CDF8; Wed, 20 Dec 2023 23:17:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8FA8F2F4; Wed, 20 Dec 2023 15:17:50 -0800 (PST) Received: from e129166.arm.com (unknown [10.57.82.217]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 62D2E3F64C; Wed, 20 Dec 2023 15:17:04 -0800 (PST) From: Lukasz Luba To: linux-kernel@vger.kernel.org, rafael@kernel.org Cc: linux-pm@vger.kernel.org, daniel.lezcano@linaro.org, rui.zhang@intel.com, lukasz.luba@arm.com Subject: [PATCH v3 8/9] thermal/sysfs: Update governors when the 'weight' has changed Date: Wed, 20 Dec 2023 23:17:52 +0000 Message-Id: <20231220231753.1824364-9-lukasz.luba@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231220231753.1824364-1-lukasz.luba@arm.com> References: <20231220231753.1824364-1-lukasz.luba@arm.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Support governors update when the thermal instance's weight has changed. This allows to adjust internal state for the governor. Signed-off-by: Lukasz Luba --- drivers/thermal/thermal_sysfs.c | 3 +++ include/linux/thermal.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index 299c0fb16593..5abf6d136c24 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -940,6 +940,9 @@ ssize_t weight_store(struct device *dev, struct device_attribute *attr, /* Don't race with governors using the 'weight' value */ mutex_lock(&instance->tz->lock); instance->weight = weight; + + thermal_governor_update_tz(instance->tz, + THERMAL_INSTANCE_WEIGHT_CHANGED); mutex_unlock(&instance->tz->lock); return count; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 1b76878cea46..a759570de364 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -53,6 +53,7 @@ enum thermal_notify_event { THERMAL_EVENT_KEEP_ALIVE, /* Request for user space handler to respond */ THERMAL_TZ_BIND_CDEV, /* Cooling dev is bind to the thermal zone */ THERMAL_TZ_UNBIND_CDEV, /* Cooling dev is unbind from the thermal zone */ + THERMAL_INSTANCE_WEIGHT_CHANGED, /* Thermal instance weight changed */ }; /**