From patchwork Wed Sep 28 21:00:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 610457 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 305CFC6FA82 for ; Wed, 28 Sep 2022 21:08:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234811AbiI1VIS (ORCPT ); Wed, 28 Sep 2022 17:08:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234813AbiI1VHZ (ORCPT ); Wed, 28 Sep 2022 17:07:25 -0400 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8C0BE6DF1 for ; Wed, 28 Sep 2022 14:02:48 -0700 (PDT) Received: by mail-wm1-x32d.google.com with SMTP id fn7-20020a05600c688700b003b4fb113b86so1675166wmb.0 for ; Wed, 28 Sep 2022 14:02:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=8pE/zvW6S2HkLQ2nl2eyAsUouKTzMht2lN2QByjtNa0=; b=HXgRA9xl5RtEEpQ5/9Hq1X1TOVu6+5Dvikau2PJ8VMeDHLrc4OSRAgVq//EZ48s8q5 lDmlvj3F8CY47RTSGFLxjUvZADzBtXslmokGMTKuqFodZJ+Zl1QG9Ub9a/JSC2+JQ2Td Y313IR+CtM5NwQ+St6ezsiZXV4Pckcd6eQJMBCT0zVedq+RBNCvCtSB7/OEP4t+v08OB HbUUnJsUtuAWBjALk+KkkIY2SwUi9InwQhBx/gK2+pSoH+1jgxRFchL4xAA1pi1L3Mrt ur2x0CX+ziGq1Ob5Bu5cR9jloA1h2sodrdmQQAU5+R8fhDeGi0+Bey1/uHrH0yPwzC0G fSVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=8pE/zvW6S2HkLQ2nl2eyAsUouKTzMht2lN2QByjtNa0=; b=CYQchfvdA5mNC0SOot6yZ9/JT7tvspJ4nWK/SbQbEkedE0LUmlxuzSxpKlktcikZ1x NCwX2upuWwgQukX6GZbfCf1YzZinz466IvHf4DIydk8YdFcAbrpahjo9amEmdSa6VuGc nmgzzbhJOf6dpc00xLvfTz8O2OqxukF68SYaIZwsV9+MZLey4bvhfc3QpSu4yXJYyvOt RfxPCEc9aJDt8zA0EL9V8w4Rh6t/0wyqtHxYJjjGtrrPEr2LgdAkprlhV9uZ6tKa6Doc wIktjVzN6b38VqmYkN0doOCEhk2qzwxBGqOYJnOBnyK+QrXtnz7ggZU9gVGi3gJEUBBY 8L/Q== X-Gm-Message-State: ACrzQf04p9b+2W0EIZmijQV4DyZeWeX29Z0DKVg4gBx9Vn/ZwND2mnhW 9iokHiHBADUcucBPmlumDgPFCg== X-Google-Smtp-Source: AMsMyM53Cgbe2M2piI5xT5mM6XcJ8yzolBHl+XMtiR3Xq3RzX8Yn8x7ONN7QPSwi29vVBxqLfLohWw== X-Received: by 2002:a1c:2743:0:b0:3b3:4066:fa61 with SMTP id n64-20020a1c2743000000b003b34066fa61mr8362048wmn.79.1664398968373; Wed, 28 Sep 2022 14:02:48 -0700 (PDT) Received: from mai.. ([2a05:6e02:1041:c10:48a2:39eb:9d1b:8b8d]) by smtp.gmail.com with ESMTPSA id g20-20020a05600c4ed400b003b4931eb435sm2874300wmq.26.2022.09.28.14.02.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Sep 2022 14:02:46 -0700 (PDT) From: Daniel Lezcano To: daniel.lezcano@linaro.org, rafael@kernel.org Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, rui.zhang@intel.com, Raju Rangoju , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Peter Kaestle , Hans de Goede , Mark Gross , Miquel Raynal , Amit Kucheria , Nicolas Saenz Julienne , Broadcom Kernel Team , Florian Fainelli , Ray Jui , Scott Branden , Support Opensource , Lukasz Luba , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Thara Gopinath , Andy Gross , Bjorn Andersson , =?utf-8?q?Niklas_S=C3=B6derlu?= =?utf-8?q?nd?= , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski , Alim Akhtar , Thierry Reding , Jonathan Hunter , Eduardo Valentin , Keerthy , Kunihiko Hayashi , Masami Hiramatsu , Antoine Tenart , Srinivas Pandruvada , Dmitry Osipenko , netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, Jiang Jian Subject: [PATCH v7 29/29] thermal/drivers/intel: Use generic thermal_zone_get_trip() function Date: Wed, 28 Sep 2022 23:00:59 +0200 Message-Id: <20220928210059.891387-30-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220928210059.891387-1-daniel.lezcano@linaro.org> References: <20220928210059.891387-1-daniel.lezcano@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org 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 --- 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 a0e234fce71a..40a9355207e7 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, }; @@ -328,6 +286,48 @@ 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); @@ -353,24 +353,27 @@ 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); @@ -379,7 +382,16 @@ 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) @@ -463,8 +475,10 @@ 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; }