| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20240926092952.1284435-6-luke@ljones.dev>
Date: Thu, 26 Sep 2024 21:29:48 +1200
From: "Luke D. Jones" <luke@...nes.dev>
To: linux-kernel@...r.kernel.org
Cc: linux-input@...r.kernel.org,
bentiss@...nel.org,
jikos@...nel.org,
platform-driver-x86@...r.kernel.org,
ilpo.jarvinen@...ux.intel.com,
hdegoede@...hat.com,
corentin.chary@...il.com,
superm1@...nel.org,
"Luke D. Jones" <luke@...nes.dev>
Subject: [PATCH v4 5/9] platform/x86: asus-armoury: add the ppt_* and nv_* tuning knobs
Adds the ppt_* and nv_* tuning knobs that are available via WMI methods
and adds proper min/max levels plus defaults.
Signed-off-by: Luke D. Jones <luke@...nes.dev>
---
drivers/platform/x86/asus-armoury.c | 130 ++++++++++++++++++++++++++++
drivers/platform/x86/asus-armoury.h | 65 ++++++++++++++
2 files changed, 195 insertions(+)
diff --git a/drivers/platform/x86/asus-armoury.c b/drivers/platform/x86/asus-armoury.c
index 15eab4d45b81..766f944d0233 100644
--- a/drivers/platform/x86/asus-armoury.c
+++ b/drivers/platform/x86/asus-armoury.c
@@ -52,12 +52,40 @@
#define NVIDIA_TEMP_MIN 75
#define NVIDIA_TEMP_MAX 87
+/* Tunables provided by ASUS for gaming laptops */
+struct rog_tunables {
+ u32 cpu_default;
+ u32 cpu_min;
+ u32 cpu_max;
+
+ u32 platform_default;
+ u32 platform_min;
+ u32 platform_max;
+
+ u32 ppt_pl1_spl; // cpu
+ u32 ppt_pl2_sppt; // cpu
+ u32 ppt_apu_sppt; // plat
+ u32 ppt_platform_sppt; // plat
+ u32 ppt_fppt; // cpu
+
+ u32 nv_boost_default;
+ u32 nv_boost_min;
+ u32 nv_boost_max;
+ u32 nv_dynamic_boost;
+
+ u32 nv_temp_default;
+ u32 nv_temp_min;
+ u32 nv_temp_max;
+ u32 nv_temp_target;
+};
+
static const struct class *fw_attr_class;
struct asus_armoury_priv {
struct device *fw_attr_dev;
struct kset *fw_attr_kset;
+ struct rog_tunables *rog_tunables;
u32 mini_led_dev_id;
u32 gpu_mux_dev_id;
@@ -421,6 +449,25 @@ WMI_SHOW_INT(egpu_enable_current_value, "%d\n", ASUS_WMI_DEVID_EGPU);
ATTR_GROUP_BOOL_CUSTOM(egpu_enable, "egpu_enable", "Enable the eGPU (also disables dGPU)");
/* Simple attribute creation */
+ATTR_GROUP_ROG_TUNABLE(ppt_pl1_spl, "ppt_pl1_spl", ASUS_WMI_DEVID_PPT_PL1_SPL, cpu_default,
+ cpu_min, cpu_max, 1, "Set the CPU slow package limit");
+ATTR_GROUP_ROG_TUNABLE(ppt_pl2_sppt, "ppt_pl2_sppt", ASUS_WMI_DEVID_PPT_PL2_SPPT, cpu_default,
+ cpu_min, cpu_max, 1, "Set the CPU fast package limit");
+ATTR_GROUP_ROG_TUNABLE(ppt_apu_sppt, "ppt_apu_sppt", ASUS_WMI_DEVID_PPT_APU_SPPT,
+ platform_default, platform_min, platform_max, 1,
+ "Set the CPU slow package limit");
+ATTR_GROUP_ROG_TUNABLE(ppt_platform_sppt, "ppt_platform_sppt", ASUS_WMI_DEVID_PPT_PLAT_SPPT,
+ platform_default, platform_min, platform_max, 1,
+ "Set the CPU slow package limit");
+ATTR_GROUP_ROG_TUNABLE(ppt_fppt, "ppt_fppt", ASUS_WMI_DEVID_PPT_FPPT, cpu_default, cpu_min,
+ cpu_max, 1, "Set the CPU slow package limit");
+ATTR_GROUP_ROG_TUNABLE(nv_dynamic_boost, "nv_dynamic_boost", ASUS_WMI_DEVID_NV_DYN_BOOST,
+ nv_boost_default, nv_boost_min, nv_boost_max, 1,
+ "Set the Nvidia dynamic boost limit");
+ATTR_GROUP_ROG_TUNABLE(nv_temp_target, "nv_temp_target", ASUS_WMI_DEVID_NV_THERM_TARGET,
+ nv_temp_default, nv_boost_min, nv_temp_max, 1,
+ "Set the Nvidia max thermal limit");
+
ATTR_GROUP_ENUM_INT_RO(charge_mode, "charge_mode", ASUS_WMI_DEVID_CHARGE_MODE, "0;1;2",
"Show the current mode of charging");
@@ -441,6 +488,14 @@ static const struct asus_attr_group armoury_attr_groups[] = {
{ &egpu_enable_attr_group, ASUS_WMI_DEVID_EGPU },
{ &dgpu_disable_attr_group, ASUS_WMI_DEVID_DGPU },
+ { &ppt_pl1_spl_attr_group, ASUS_WMI_DEVID_PPT_PL1_SPL },
+ { &ppt_pl2_sppt_attr_group, ASUS_WMI_DEVID_PPT_PL2_SPPT },
+ { &ppt_apu_sppt_attr_group, ASUS_WMI_DEVID_PPT_APU_SPPT },
+ { &ppt_platform_sppt_attr_group, ASUS_WMI_DEVID_PPT_PLAT_SPPT },
+ { &ppt_fppt_attr_group, ASUS_WMI_DEVID_PPT_FPPT },
+ { &nv_dynamic_boost_attr_group, ASUS_WMI_DEVID_NV_DYN_BOOST },
+ { &nv_temp_target_attr_group, ASUS_WMI_DEVID_NV_THERM_TARGET },
+
{ &charge_mode_attr_group, ASUS_WMI_DEVID_CHARGE_MODE },
{ &boot_sound_attr_group, ASUS_WMI_DEVID_BOOT_SOUND },
{ &mcu_powersave_attr_group, ASUS_WMI_DEVID_MCU_POWERSAVE },
@@ -532,12 +587,87 @@ static int asus_fw_attr_add(void)
/* Init / exit ****************************************************************/
+/* Set up the min/max and defaults for ROG tunables */
+static void init_rog_tunables(struct rog_tunables *rog)
+{
+ const char *product;
+ u32 max_boost = NVIDIA_BOOST_MAX;
+ u32 cpu_default = PPT_CPU_LIMIT_DEFAULT;
+ u32 cpu_max = PPT_CPU_LIMIT_MAX;
+ u32 platform_default = PPT_PLATFORM_DEFAULT;
+ u32 platform_max = PPT_PLATFORM_MAX;
+
+ /*
+ * ASUS product_name contains everything required, e.g,
+ * "ROG Flow X16 GV601VV_GV601VV_00185149B"
+ */
+ product = dmi_get_system_info(DMI_PRODUCT_NAME);
+
+ if (strstr(product, "GA402R")) {
+ cpu_default = 125;
+ } else if (strstr(product, "13QY")) {
+ cpu_max = 250;
+ } else if (strstr(product, "X13")) {
+ cpu_max = 75;
+ cpu_default = 50;
+ } else if (strstr(product, "RC71") || strstr(product, "RC72")) {
+ cpu_max = 50;
+ cpu_default = 30;
+ } else if (strstr(product, "G814") || strstr(product, "G614") ||
+ strstr(product, "G834") || strstr(product, "G634")) {
+ cpu_max = 175;
+ } else if (strstr(product, "GA402X") || strstr(product, "GA403") ||
+ strstr(product, "FA507N") || strstr(product, "FA507X") ||
+ strstr(product, "FA707N") || strstr(product, "FA707X")) {
+ cpu_max = 90;
+ }
+
+ if (strstr(product, "GZ301ZE"))
+ max_boost = 5;
+ else if (strstr(product, "FX507ZC4"))
+ max_boost = 15;
+ else if (strstr(product, "GU605"))
+ max_boost = 20;
+
+ /* ensure defaults for tunables */
+ rog->cpu_default = cpu_default;
+ rog->cpu_min = PPT_CPU_LIMIT_MIN;
+ rog->cpu_max = cpu_max;
+
+ rog->platform_default = platform_default;
+ rog->platform_max = PPT_PLATFORM_MIN;
+ rog->platform_max = platform_max;
+
+ rog->ppt_pl1_spl = cpu_default;
+ rog->ppt_pl2_sppt = cpu_default;
+ rog->ppt_apu_sppt = cpu_default;
+
+ rog->ppt_platform_sppt = platform_default;
+ rog->ppt_fppt = cpu_default;
+
+ rog->nv_boost_default = NVIDIA_BOOST_MAX;
+ rog->nv_boost_max = NVIDIA_BOOST_MIN;
+ rog->nv_boost_max = max_boost;
+ rog->nv_dynamic_boost = NVIDIA_BOOST_MIN;
+
+ rog->nv_temp_default = NVIDIA_TEMP_MAX;
+ rog->nv_temp_max = NVIDIA_TEMP_MIN;
+ rog->nv_temp_max = NVIDIA_TEMP_MAX;
+ rog->nv_temp_target = NVIDIA_TEMP_MIN;
+}
+
static int __init asus_fw_init(void)
{
int err;
fw_attrs.pending_reboot = false;
+ asus_armoury.rog_tunables = kzalloc(sizeof(struct rog_tunables), GFP_KERNEL);
+ if (!asus_armoury.rog_tunables)
+ return -ENOMEM;
+
+ init_rog_tunables(asus_armoury.rog_tunables);
+
err = asus_fw_attr_add();
if (err)
return err;
diff --git a/drivers/platform/x86/asus-armoury.h b/drivers/platform/x86/asus-armoury.h
index b99fd136abf1..9e63ea0d9d44 100644
--- a/drivers/platform/x86/asus-armoury.h
+++ b/drivers/platform/x86/asus-armoury.h
@@ -17,6 +17,12 @@ static ssize_t attr_int_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count, u32 min, u32 max,
u32 *store_value, u32 wmi_dev);
+static ssize_t int_type_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "integer\n");
+}
+
static ssize_t enum_type_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
@@ -143,4 +149,63 @@ static ssize_t enum_type_show(struct kobject *kobj, struct kobj_attribute *attr,
.name = _fsname, .attrs = _attrname##_attrs \
}
+/*
+ * ROG PPT attributes need a little different in setup as they
+ * require rog_tunables members.
+ */
+
+#define __ROG_TUNABLE_RW(_attr, _min, _max, _wmi) \
+ static ssize_t _attr##_current_value_store( \
+ struct kobject *kobj, struct kobj_attribute *attr, \
+ const char *buf, size_t count) \
+ { \
+ return attr_int_store(kobj, attr, buf, count, \
+ asus_armoury.rog_tunables->_min, \
+ asus_armoury.rog_tunables->_max, \
+ &asus_armoury.rog_tunables->_attr, \
+ _wmi); \
+ } \
+ static ssize_t _attr##_current_value_show( \
+ struct kobject *kobj, struct kobj_attribute *attr, char *buf) \
+ { \
+ return sysfs_emit(buf, "%u\n", \
+ asus_armoury.rog_tunables->_attr); \
+ } \
+ static struct kobj_attribute attr_##_attr##_current_value = \
+ __ASUS_ATTR_RW(_attr, current_value)
+
+#define __ROG_TUNABLE_SHOW(_prop, _attrname, _val) \
+ static ssize_t _attrname##_##_prop##_show( \
+ struct kobject *kobj, struct kobj_attribute *attr, char *buf) \
+ { \
+ return sysfs_emit(buf, "%d\n", \
+ asus_armoury.rog_tunables->_val); \
+ } \
+ static struct kobj_attribute attr_##_attrname##_##_prop = \
+ __ASUS_ATTR_RO(_attrname, _prop)
+
+#define ATTR_GROUP_ROG_TUNABLE(_attrname, _fsname, _wmi, _default, _min, _max, \
+ _incstep, _dispname) \
+ __ROG_TUNABLE_SHOW(default_value, _attrname, _default); \
+ __ROG_TUNABLE_RW(_attrname, _min, _max, _wmi); \
+ __ROG_TUNABLE_SHOW(min_value, _attrname, _min); \
+ __ROG_TUNABLE_SHOW(max_value, _attrname, _max); \
+ __ATTR_SHOW_FMT(scalar_increment, _attrname, "%d\n", _incstep); \
+ __ATTR_SHOW_FMT(display_name, _attrname, "%s\n", _dispname); \
+ static struct kobj_attribute attr_##_attrname##_type = \
+ __ASUS_ATTR_RO_AS(type, int_type_show); \
+ static struct attribute *_attrname##_attrs[] = { \
+ &attr_##_attrname##_current_value.attr, \
+ &attr_##_attrname##_default_value.attr, \
+ &attr_##_attrname##_min_value.attr, \
+ &attr_##_attrname##_max_value.attr, \
+ &attr_##_attrname##_scalar_increment.attr, \
+ &attr_##_attrname##_display_name.attr, \
+ &attr_##_attrname##_type.attr, \
+ NULL \
+ }; \
+ static const struct attribute_group _attrname##_attr_group = { \
+ .name = _fsname, .attrs = _attrname##_attrs \
+ }
+
#endif /* _ASUS_BIOSCFG_H_ */
--
2.46.1
Powered by blists - more mailing lists