From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f177.google.com (mail-dy1-f177.google.com [74.125.82.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6E9063BE14C for ; Sat, 11 Apr 2026 16:23:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775924628; cv=none; b=hxXXzhiI8+10zXH/klxyPI/o7iUMh2wT1IHIGrrdNGk0YXZ9vCrhyxhBQ2ySP3YLklogZWLyYKB5fy9LZJZ0JaJa+c9Tgg9oEsVclZbKMMDuOGKEtPXRQgRugdVUtR+dU2xTIxPt1R1/BLED4BPXm0ql6m7cWwzHN9/357ySDfo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775924628; c=relaxed/simple; bh=/Q7L+5+s7FD7yhR0fw+A3SxzHEisnXuLUd3mmroUUyM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oqv+rfZbGV9aSk637noWGJxWJF20oWbBV5vPuZkz0+xvDaHjEhRMLLTjFqMQ8Qnve6quu+hHRJZso7dIgG6Y61mTeIgSh0hWI63qER1i6Ldd9sPoSbeKzpw/sp4g3vc4siKOz5V2DSBMsF8cS7HjwDSnB9ByHS6B6RUPahWQNWI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=PF08y/ZS; arc=none smtp.client-ip=74.125.82.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PF08y/ZS" Received: by mail-dy1-f177.google.com with SMTP id 5a478bee46e88-2ce102afb0aso3983233eec.1 for ; Sat, 11 Apr 2026 09:23:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775924626; x=1776529426; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=hgaYqy2GOTziDDZqh4ttc9SZITtVwJlVJItti8AOdu4=; b=PF08y/ZSIZelDb0416Im+O5rJmSWqKvpP3jWchd/XBiHYf+xkwFjGDK73MQOzfN1lT E0R0C1xXHA2Bp5uwY8Ff8i+kDEOGCYWiEPHEiGEpqi70i14tIsoUfegB8b6keZLL9n7M IsYjFjezNwaGG3oaSgTrSkXE5Jc0WgndG57Hq3XbfxT49QQDNgkcn1p/eVdmki+571Yj DzeGfhcnpSzOiiEGatrKNY7GmhDV7Nuo7D014mbkB3gCcuULNNPLsCZQI0+TGOPfvwtB 625/5g83V75T6uPV/r+6i930bRjgOz7NpDte6rM2bcuUjqjm+YRsZXng2/5Pyx8sPjvs bYAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775924626; x=1776529426; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=hgaYqy2GOTziDDZqh4ttc9SZITtVwJlVJItti8AOdu4=; b=eUklI4I8Ri4tUOR7tZGSR7hUvnT4fAsMk0LOis9DqAn9RMfxlsUdVtWus4iAB4uOCn K9Ss4hedYCeXtVk0itj13KAnrdAm56P6Apa5UbObl/roWj0Dqn4aUDl3dl8AUCaCWVGI 8xGWK+pMnw4xVYv0HWpTH7+pXxMiQ/8nJWFOK1DVidxVDYjTcIZ+V87qRJVH8A9KQz8R BNRdkSBUMPgLBHmmCQTykkvEAZ5RQTLYWA+1nCzHcaWXAn1a9IZjFF7oLfT62U4VJrH7 FtyqN2ggkt8oo6m7yTnKMsCSaIisAx0SAQmEqP6z87KjhNbJq/7EhlDm9o/7im5e77Td HiSg== X-Forwarded-Encrypted: i=1; AJvYcCUtEJy01QDynYA3NOTnxe2ia1RTEN6soCIe+LV9UAFZc0/TzoiRpROM8/iUqchhRuryhX+nbJ8BeoKeN3pZ+pa9/qxd@vger.kernel.org X-Gm-Message-State: AOJu0Yxj3valxtTb8BSRWWQhykdFGk5Un6aEcFCsrUQG5m6gpbv6E0Fy jsc85QzTox5F4Q06ZehOW1J53OxzMl0mwshQc3emIDoN5EUtTRZrn4Ru X-Gm-Gg: AeBDievHOv4PjDTLkzVEDn3xFmALTElZc4DPz0CdkiXio3xJYrlbcb2LuLHCdV8p9Y3 4xMfey0vXxZM5Q/nexUlC9iOjvZ0xWQBr/ltt/K0PdZRcTrHIrF/SKiqBt1Q4GUkgM0KsZqGshS gQIi8pC1v/UnKME17QsxWR+5FTxYNoNHNambh+3R/Xq0oatJCS6BYhyDX4d4zhc+auh56n20FlX op8GnKEE1lkCDRuD/KL7QJR8FmKXhxuw5YEzf5///UZB23o+aNrpZvYz2nZ/O/Lq+vgJdlu3KiF fQ4fCntOqyto2v9xdxYLyzUZ9e2PH55eh9RdYU7pTRSeNIJwJhhFsNolw7zQW568rBI4VSyaePB LvWPLdcmoPnaQLg/B/fKWRWA8Rn67jjFOPzHstXtG2vSjhGGjY9zjj8Ly4GNLvN0OWFBCT5Jm1L pdP4aWLXo++IDVKm34BrM/2683bc6vz5vRw1j9qMKpDCKCtyJoHdZW4WY0lpF8GwtzdKs+PBhsI rXK X-Received: by 2002:a05:7300:e2cc:b0:2d3:4252:b127 with SMTP id 5a478bee46e88-2d5898a5246mr4835471eec.26.1775924625530; Sat, 11 Apr 2026 09:23:45 -0700 (PDT) Received: from lappy (108-228-232-20.lightspeed.sndgca.sbcglobal.net. [108.228.232.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2d55ce46a65sm9358907eec.0.2026.04.11.09.23.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Apr 2026 09:23:45 -0700 (PDT) From: "Derek J. Clark" To: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Hans de Goede Cc: Mark Pearson , Armin Wolf , Jonathan Corbet , Rong Zhang , Kurt Borja , "Derek J . Clark" , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 11/16] platform/x86: lenovo-wmi-other: Add missing CPU tunable attributes Date: Sat, 11 Apr 2026 16:23:29 +0000 Message-ID: <20260411162334.25682-12-derekjohn.clark@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260411162334.25682-1-derekjohn.clark@gmail.com> References: <20260411162334.25682-1-derekjohn.clark@gmail.com> Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use an enum for all device ID's and CPU attribute feature ID's, add missing CPU attributes. Reviewed-by: Rong Zhang Reviewed-by: Mark Pearson Signed-off-by: Derek J. Clark --- v7: - Fix typo in documentation. v4: - Align type ID defines. - Align CPU feature enum values. - remove cpu_oc_stat from Documentation. v3: - Remove cpu_oc_stat. --- .../wmi/devices/lenovo-wmi-other.rst | 9 ++ drivers/platform/x86/lenovo/wmi-capdata.h | 5 +- drivers/platform/x86/lenovo/wmi-other.c | 99 ++++++++++++++++++- 3 files changed, 107 insertions(+), 6 deletions(-) diff --git a/Documentation/wmi/devices/lenovo-wmi-other.rst b/Documentation/wmi/devices/lenovo-wmi-other.rst index 01d471156738..189dd4d31926 100644 --- a/Documentation/wmi/devices/lenovo-wmi-other.rst +++ b/Documentation/wmi/devices/lenovo-wmi-other.rst @@ -68,9 +68,18 @@ Each attribute has the following properties: - type The following firmware-attributes are implemented: + - cpu_temp: CPU Thermal Load Limit + - ppt_cpu_cl: CPU Cross Loading Power Limit + - ppt_pl1_apu_spl: Platform Profile Tracking APU Sustained Power Limit - ppt_pl1_spl: Platform Profile Tracking Sustained Power Limit + - ppt_pl1_spl_cl: Platform Profile Tracking Cross Loading Sustained Power Limit + - ppt_pl1_tau: Exceed Duration for Platform Profile Tracking Sustained Power Limit - ppt_pl2_sppt: Platform Profile Tracking Slow Package Power Tracking + - ppt_pl2_sppt_cl: Platform Profile Tracking Cross Loading Slow Package Tracking - ppt_pl3_fppt: Platform Profile Tracking Fast Package Power Tracking + - ppt_pl3_fppt_cl: Platform Profile Tracking Cross Loading Fast Package Power Tracking + - ppt_pl4_ipl: Platform Profile Tracking Instantaneous Power Limit + - ppt_pl4_ipl_cl: Platform Profile Tracking Cross Loading Instantaneous Power Limit LENOVO_FAN_TEST_DATA ------------------------- diff --git a/drivers/platform/x86/lenovo/wmi-capdata.h b/drivers/platform/x86/lenovo/wmi-capdata.h index 1388eaf4ab4a..f2d45cd7a188 100644 --- a/drivers/platform/x86/lenovo/wmi-capdata.h +++ b/drivers/platform/x86/lenovo/wmi-capdata.h @@ -18,7 +18,10 @@ #define LWMI_ATTR_MODE_ID_MASK GENMASK(15, 8) #define LWMI_ATTR_TYPE_ID_MASK GENMASK(7, 0) -#define LWMI_DEVICE_ID_FAN 0x04 +enum lwmi_device_id { + LWMI_DEVICE_ID_CPU = 0x01, + LWMI_DEVICE_ID_FAN = 0x04, +}; #define LWMI_TYPE_ID_NONE 0x00 diff --git a/drivers/platform/x86/lenovo/wmi-other.c b/drivers/platform/x86/lenovo/wmi-other.c index 3805c4cf1d10..adf4300415f8 100644 --- a/drivers/platform/x86/lenovo/wmi-other.c +++ b/drivers/platform/x86/lenovo/wmi-other.c @@ -50,14 +50,21 @@ #define LENOVO_OTHER_MODE_GUID "DC2A8805-3A8C-41BA-A6F7-092E0089CD3B" -#define LWMI_DEVICE_ID_CPU 0x01 - -#define LWMI_FEATURE_ID_CPU_SPPT 0x01 -#define LWMI_FEATURE_ID_CPU_SPL 0x02 -#define LWMI_FEATURE_ID_CPU_FPPT 0x03 +enum lwmi_feature_id_cpu { + LWMI_FEATURE_ID_CPU_SPPT = 0x01, + LWMI_FEATURE_ID_CPU_SPL = 0x02, + LWMI_FEATURE_ID_CPU_FPPT = 0x03, + LWMI_FEATURE_ID_CPU_TEMP = 0x04, + LWMI_FEATURE_ID_CPU_APU = 0x05, + LWMI_FEATURE_ID_CPU_CL = 0x06, + LWMI_FEATURE_ID_CPU_TAU = 0x07, + LWMI_FEATURE_ID_CPU_IPL = 0x09, +}; #define LWMI_FEATURE_ID_FAN_RPM 0x03 +#define LWMI_TYPE_ID_CROSSLOAD 0x01 + #define LWMI_FEATURE_VALUE_GET 17 #define LWMI_FEATURE_VALUE_SET 18 @@ -551,18 +558,72 @@ static struct tunable_attr_01 ppt_pl1_spl = { .type_id = LWMI_TYPE_ID_NONE, }; +static struct tunable_attr_01 ppt_pl1_spl_cl = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_SPL, + .type_id = LWMI_TYPE_ID_CROSSLOAD, +}; + static struct tunable_attr_01 ppt_pl2_sppt = { .device_id = LWMI_DEVICE_ID_CPU, .feature_id = LWMI_FEATURE_ID_CPU_SPPT, .type_id = LWMI_TYPE_ID_NONE, }; +static struct tunable_attr_01 ppt_pl2_sppt_cl = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_SPPT, + .type_id = LWMI_TYPE_ID_CROSSLOAD, +}; + static struct tunable_attr_01 ppt_pl3_fppt = { .device_id = LWMI_DEVICE_ID_CPU, .feature_id = LWMI_FEATURE_ID_CPU_FPPT, .type_id = LWMI_TYPE_ID_NONE, }; +static struct tunable_attr_01 ppt_pl3_fppt_cl = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_FPPT, + .type_id = LWMI_TYPE_ID_CROSSLOAD, +}; + +static struct tunable_attr_01 cpu_temp = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_TEMP, + .type_id = LWMI_TYPE_ID_NONE, +}; + +static struct tunable_attr_01 ppt_pl1_apu_spl = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_APU, + .type_id = LWMI_TYPE_ID_NONE, +}; + +static struct tunable_attr_01 ppt_cpu_cl = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_CL, + .type_id = LWMI_TYPE_ID_NONE, +}; + +static struct tunable_attr_01 ppt_pl1_tau = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_TAU, + .type_id = LWMI_TYPE_ID_NONE, +}; + +static struct tunable_attr_01 ppt_pl4_ipl = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_IPL, + .type_id = LWMI_TYPE_ID_NONE, +}; + +static struct tunable_attr_01 ppt_pl4_ipl_cl = { + .device_id = LWMI_DEVICE_ID_CPU, + .feature_id = LWMI_FEATURE_ID_CPU_IPL, + .type_id = LWMI_TYPE_ID_CROSSLOAD, +}; + struct capdata01_attr_group { const struct attribute_group *attr_group; struct tunable_attr_01 *tunable_attr; @@ -898,17 +959,45 @@ static bool lwmi_attr_01_is_supported(struct tunable_attr_01 *tunable_attr) .name = _fsname, .attrs = _attrname##_attrs \ } +LWMI_ATTR_GROUP_TUNABLE_CAP01(cpu_temp, "cpu_temp", + "Set the CPU thermal load limit"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_cpu_cl, "ppt_cpu_cl", + "Set the CPU cross loading power limit"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl1_apu_spl, "ppt_pl1_apu_spl", + "Set the APU sustained power limit"); LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl1_spl, "ppt_pl1_spl", "Set the CPU sustained power limit"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl1_spl_cl, "ppt_pl1_spl_cl", + "Set the CPU cross loading sustained power limit"); LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl2_sppt, "ppt_pl2_sppt", "Set the CPU slow package power tracking limit"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl2_sppt_cl, "ppt_pl2_sppt_cl", + "Set the CPU cross loading slow package power tracking limit"); LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl3_fppt, "ppt_pl3_fppt", "Set the CPU fast package power tracking limit"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl3_fppt_cl, "ppt_pl3_fppt_cl", + "Set the CPU cross loading fast package power tracking limit"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl1_tau, "ppt_pl1_tau", + "Set the CPU sustained power limit exceed duration"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl4_ipl, "ppt_pl4_ipl", + "Set the CPU instantaneous power limit"); +LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl4_ipl_cl, "ppt_pl4_ipl_cl", + "Set the CPU cross loading instantaneous power limit"); + static struct capdata01_attr_group cd01_attr_groups[] = { + { &cpu_temp_attr_group, &cpu_temp }, + { &ppt_cpu_cl_attr_group, &ppt_cpu_cl }, + { &ppt_pl1_apu_spl_attr_group, &ppt_pl1_apu_spl }, { &ppt_pl1_spl_attr_group, &ppt_pl1_spl }, + { &ppt_pl1_spl_cl_attr_group, &ppt_pl1_spl_cl }, + { &ppt_pl1_tau_attr_group, &ppt_pl1_tau }, { &ppt_pl2_sppt_attr_group, &ppt_pl2_sppt }, + { &ppt_pl2_sppt_cl_attr_group, &ppt_pl2_sppt_cl }, { &ppt_pl3_fppt_attr_group, &ppt_pl3_fppt }, + { &ppt_pl3_fppt_cl_attr_group, &ppt_pl3_fppt_cl }, + { &ppt_pl4_ipl_attr_group, &ppt_pl4_ipl }, + { &ppt_pl4_ipl_cl_attr_group, &ppt_pl4_ipl_cl }, {}, }; -- 2.53.0