From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48417C3DA7A for ; Fri, 9 Dec 2022 15:27:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231194AbiLIP1K (ORCPT ); Fri, 9 Dec 2022 10:27:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230397AbiLIP0m (ORCPT ); Fri, 9 Dec 2022 10:26:42 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 737FC8F08C for ; Fri, 9 Dec 2022 07:26:35 -0800 (PST) Date: Fri, 09 Dec 2022 15:26:32 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1670599592; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cTh9HgQcLePfy6HbLPd5j7mynilqg7CjPvJTq1d04B0=; b=kT9FoAOW45UdpnPKD90ipU1zti4737Aa9eH3gxbhMIXY9Pz6RqaJmm2VU3q8v672J3FMdu BPSsfNpyyR8QqNKhJIEnJ1vkJmeokvaRaZdT+93lgMVSjbkCmS2Rpr0hUdsRBl+Sdwer+i eg2TUel1qnsXciu7ApU7hg2ChdoRKr3qsxCR5kkasQ34d57B7dwY03vZiNwxYj+zQsgwx5 HCrl/YplSl5r/P6CCKHJTtB1FmwO9uCIn0awYcOZjT0gGHqsaKrfhQcEAtOxzXIbf7B03A JN4rVrxwxb66DU1rfNOHLPyVBOO0gqDv0CF6QQeuVX7GBR1TpG/ejO7OEkp5mQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1670599592; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cTh9HgQcLePfy6HbLPd5j7mynilqg7CjPvJTq1d04B0=; b=TwOPXAnGqlkacwo2L5i94Cqk6p2/A8naP0tdA9zCx0ROjBRjUzDpBSA9xU5a7f0afIjifl aSZjaDyHnZ1kM6AQ== From: "thermal-bot for Daniel Lezcano" Sender: tip-bot2@linutronix.de Reply-to: linux-pm@vger.kernel.org To: linux-pm@vger.kernel.org Subject: [thermal: thermal/next] thermal/drivers/intel: Use generic thermal_zone_get_trip() function Cc: Daniel Lezcano , Srinivas Pandruvada , rui.zhang@intel.com, amitk@kernel.org In-Reply-To: <20221003092602.1323944-30-daniel.lezcano@linaro.org> References: <20221003092602.1323944-30-daniel.lezcano@linaro.org> MIME-Version: 1.0 Message-ID: <167059959204.4906.4298015315922457344.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The following commit has been merged into the thermal/next branch of thermal: Commit-ID: 84eac46bddfc37461dcd13e38c52e613e47f2997 Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//84eac46bddfc37461dcd13e38c52e613e47f2997 Author: Daniel Lezcano AuthorDate: Mon, 03 Oct 2022 11:26:02 +02:00 Committer: Daniel Lezcano CommitterDate: Thu, 08 Dec 2022 14:30:43 +01:00 thermal/drivers/intel: Use generic thermal_zone_get_trip() function The thermal framework gives the possibility to register the trip points with the thermal zone. When that is done, no get_trip_* ops are needed and they can be removed. Convert ops content logic into generic trip points and register them with the thermal zone. Signed-off-by: Daniel Lezcano Reviewed-by: Srinivas Pandruvada Link: https://lore.kernel.org/r/20221003092602.1323944-30-daniel.lezcano@linaro.org --- drivers/thermal/intel/x86_pkg_temp_thermal.c | 120 ++++++++++-------- 1 file changed, 67 insertions(+), 53 deletions(-) diff --git a/drivers/thermal/intel/x86_pkg_temp_thermal.c b/drivers/thermal/intel/x86_pkg_temp_thermal.c index 84c3a11..494f252 100644 --- a/drivers/thermal/intel/x86_pkg_temp_thermal.c +++ b/drivers/thermal/intel/x86_pkg_temp_thermal.c @@ -53,6 +53,7 @@ struct zone_device { u32 msr_pkg_therm_high; struct delayed_work work; struct thermal_zone_device *tzone; + struct thermal_trip *trips; struct cpumask cpumask; }; @@ -138,40 +139,6 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd, int *temp) return -EINVAL; } -static int sys_get_trip_temp(struct thermal_zone_device *tzd, - int trip, int *temp) -{ - struct zone_device *zonedev = tzd->devdata; - unsigned long thres_reg_value; - u32 mask, shift, eax, edx; - int ret; - - if (trip >= MAX_NUMBER_OF_TRIPS) - return -EINVAL; - - if (trip) { - mask = THERM_MASK_THRESHOLD1; - shift = THERM_SHIFT_THRESHOLD1; - } else { - mask = THERM_MASK_THRESHOLD0; - shift = THERM_SHIFT_THRESHOLD0; - } - - ret = rdmsr_on_cpu(zonedev->cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, - &eax, &edx); - if (ret < 0) - return ret; - - thres_reg_value = (eax & mask) >> shift; - if (thres_reg_value) - *temp = zonedev->tj_max - thres_reg_value * 1000; - else - *temp = THERMAL_TEMP_INVALID; - pr_debug("sys_get_trip_temp %d\n", *temp); - - return 0; -} - static int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp) { @@ -212,18 +179,9 @@ sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp) l, h); } -static int sys_get_trip_type(struct thermal_zone_device *thermal, int trip, - enum thermal_trip_type *type) -{ - *type = THERMAL_TRIP_PASSIVE; - return 0; -} - /* Thermal zone callback registry */ static struct thermal_zone_device_ops tzone_ops = { .get_temp = sys_get_curr_temp, - .get_trip_temp = sys_get_trip_temp, - .get_trip_type = sys_get_trip_type, .set_trip_temp = sys_set_trip_temp, }; @@ -323,6 +281,48 @@ static int pkg_thermal_notify(u64 msr_val) return 0; } +static struct thermal_trip *pkg_temp_thermal_trips_init(int cpu, int tj_max, int num_trips) +{ + struct thermal_trip *trips; + unsigned long thres_reg_value; + u32 mask, shift, eax, edx; + int ret, i; + + trips = kzalloc(sizeof(*trips) * num_trips, GFP_KERNEL); + if (!trips) + return ERR_PTR(-ENOMEM); + + for (i = 0; i < num_trips; i++) { + + if (i) { + mask = THERM_MASK_THRESHOLD1; + shift = THERM_SHIFT_THRESHOLD1; + } else { + mask = THERM_MASK_THRESHOLD0; + shift = THERM_SHIFT_THRESHOLD0; + } + + ret = rdmsr_on_cpu(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, + &eax, &edx); + if (ret < 0) { + kfree(trips); + return ERR_PTR(ret); + } + + thres_reg_value = (eax & mask) >> shift; + + trips[i].temperature = thres_reg_value ? + tj_max - thres_reg_value * 1000 : THERMAL_TEMP_INVALID; + + trips[i].type = THERMAL_TRIP_PASSIVE; + + pr_debug("%s: cpu=%d, trip=%d, temp=%d\n", + __func__, cpu, i, trips[i].temperature); + } + + return trips; +} + static int pkg_temp_thermal_device_add(unsigned int cpu) { int id = topology_logical_die_id(cpu); @@ -348,24 +348,27 @@ static int pkg_temp_thermal_device_add(unsigned int cpu) if (!zonedev) return -ENOMEM; + zonedev->trips = pkg_temp_thermal_trips_init(cpu, tj_max, thres_count); + if (IS_ERR(zonedev->trips)) { + err = PTR_ERR(zonedev->trips); + goto out_kfree_zonedev; + } + INIT_DELAYED_WORK(&zonedev->work, pkg_temp_thermal_threshold_work_fn); zonedev->cpu = cpu; zonedev->tj_max = tj_max; - zonedev->tzone = thermal_zone_device_register("x86_pkg_temp", - thres_count, + zonedev->tzone = thermal_zone_device_register_with_trips("x86_pkg_temp", + zonedev->trips, thres_count, (thres_count == MAX_NUMBER_OF_TRIPS) ? 0x03 : 0x01, zonedev, &tzone_ops, &pkg_temp_tz_params, 0, 0); if (IS_ERR(zonedev->tzone)) { err = PTR_ERR(zonedev->tzone); - kfree(zonedev); - return err; + goto out_kfree_trips; } err = thermal_zone_device_enable(zonedev->tzone); - if (err) { - thermal_zone_device_unregister(zonedev->tzone); - kfree(zonedev); - return err; - } + if (err) + goto out_unregister_tz; + /* Store MSR value for package thermal interrupt, to restore at exit */ rdmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, zonedev->msr_pkg_therm_low, zonedev->msr_pkg_therm_high); @@ -374,7 +377,16 @@ static int pkg_temp_thermal_device_add(unsigned int cpu) raw_spin_lock_irq(&pkg_temp_lock); zones[id] = zonedev; raw_spin_unlock_irq(&pkg_temp_lock); + return 0; + +out_unregister_tz: + thermal_zone_device_unregister(zonedev->tzone); +out_kfree_trips: + kfree(zonedev->trips); +out_kfree_zonedev: + kfree(zonedev); + return err; } static int pkg_thermal_cpu_offline(unsigned int cpu) @@ -458,8 +470,10 @@ static int pkg_thermal_cpu_offline(unsigned int cpu) raw_spin_unlock_irq(&pkg_temp_lock); /* Final cleanup if this is the last cpu */ - if (lastcpu) + if (lastcpu) { + kfree(zonedev->trips); kfree(zonedev); + } return 0; }