platform/x86: lenovo-wmi-other: Add GPU tunable attributes

Use an enum for all GPU attribute feature ID's and add GPU attributes.

Reviewed-by: Rong Zhang <i@rong.moe>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com>
Link: https://patch.msgid.link/20260520060740.119554-3-derekjohn.clark@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/Documentation/wmi/devices/lenovo-wmi-other.rst b/Documentation/wmi/devices/lenovo-wmi-other.rst
index 189dd4d31926d3c2ccb8681639ed6847151b6fb1..011054d64eac5b601333373c4d405f9c5117ffc2 100644 (file)
--- a/Documentation/wmi/devices/lenovo-wmi-other.rst
+++ b/Documentation/wmi/devices/lenovo-wmi-other.rst
@@ -69,6 +69,16 @@ Each attribute has the following properties:
 
 The following firmware-attributes are implemented:
  - cpu_temp: CPU Thermal Load Limit
+ - dgpu_boost_clk: Dedicated GPU Boost Clock
+ - dgpu_didvid: Dedicated GPU Device Identifier and Vendor Identifier
+ - dgpu_enable: Dedicated GPU Enabled Status
+ - gpu_mode: GPU Mode by Power Limit
+ - gpu_nv_ac_offset: Nvidia GPU AC Total Processing Power Baseline Offset
+ - gpu_nv_bpl: Nvidia GPU Base Power Limit
+ - gpu_nv_cpu_boost: Nvidia GPU to CPU Dynamic Boost Limit
+ - gpu_nv_ctgp: Nvidia GPU Configurable Total Graphics Power
+ - gpu_nv_ppab: Nvidia GPU Power Performance Aware Boost Limit
+ - gpu_temp: GPU 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

diff --git a/drivers/platform/x86/lenovo/wmi-capdata.h b/drivers/platform/x86/lenovo/wmi-capdata.h
index c74a0e5294e786c676ca4a0499c8d70c39786407..a7cfdeaa58f77b19c5fb2dc5e4523c6324e253ac 100644 (file)
--- a/drivers/platform/x86/lenovo/wmi-capdata.h
+++ b/drivers/platform/x86/lenovo/wmi-capdata.h
@@ -20,6 +20,7 @@
 
 enum lwmi_device_id {
        LWMI_DEVICE_ID_CPU = 0x01,
+       LWMI_DEVICE_ID_GPU = 0x02,
        LWMI_DEVICE_ID_FAN = 0x04,
 };
 

diff --git a/drivers/platform/x86/lenovo/wmi-other.c b/drivers/platform/x86/lenovo/wmi-other.c
index fe4cd7da017eb172532fefb075065f11e89acac2..9a6183bbcc920351c68d031eb75cf20c516280f5 100644 (file)
--- a/drivers/platform/x86/lenovo/wmi-other.c
+++ b/drivers/platform/x86/lenovo/wmi-other.c
@@ -62,6 +62,19 @@ enum lwmi_feature_id_cpu {
        LWMI_FEATURE_ID_CPU_IPL =       0x09,
 };
 
+enum lwmi_feature_id_gpu {
+       LWMI_FEATURE_ID_GPU_NV_PPAB =           0x01,
+       LWMI_FEATURE_ID_GPU_NV_CTGP =           0x02,
+       LWMI_FEATURE_ID_GPU_TEMP =              0x03,
+       LWMI_FEATURE_ID_GPU_AC_OFFSET =         0x04,
+       LWMI_FEATURE_ID_DGPU_BOOST_CLK =        0x06,
+       LWMI_FEATURE_ID_DGPU_EN =               0x07,
+       LWMI_FEATURE_ID_GPU_MODE =              0x08,
+       LWMI_FEATURE_ID_DGPU_DIDVID =           0x09,
+       LWMI_FEATURE_ID_GPU_NV_BPL =            0x0a,
+       LWMI_FEATURE_ID_GPU_NV_CPU_BOOST =      0x0b,
+};
+
 #define LWMI_FEATURE_ID_FAN_RPM 0x03
 
 #define LWMI_TYPE_ID_CROSSLOAD 0x01
@@ -639,6 +652,66 @@ static struct tunable_attr_01 ppt_pl4_ipl_cl = {
        .type_id = LWMI_TYPE_ID_CROSSLOAD,
 };
 
+static struct tunable_attr_01 gpu_nv_ppab = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_GPU_NV_PPAB,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 gpu_nv_ctgp = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_GPU_NV_CTGP,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 gpu_temp = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_GPU_TEMP,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 gpu_nv_ac_offset = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_GPU_AC_OFFSET,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 dgpu_boost_clk = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_DGPU_BOOST_CLK,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 dgpu_enable = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_DGPU_EN,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 gpu_mode = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_GPU_MODE,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 dgpu_didvid = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_DGPU_DIDVID,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 gpu_nv_bpl = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_GPU_NV_BPL,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
+static struct tunable_attr_01 gpu_nv_cpu_boost = {
+       .device_id = LWMI_DEVICE_ID_GPU,
+       .feature_id = LWMI_FEATURE_ID_GPU_NV_CPU_BOOST,
+       .type_id = LWMI_TYPE_ID_NONE,
+};
+
 struct capdata01_attr_group {
        const struct attribute_group *attr_group;
        struct tunable_attr_01 *tunable_attr;
@@ -974,6 +1047,7 @@ static bool lwmi_attr_01_is_supported(struct tunable_attr_01 *tunable_attr)
                .name = _fsname, .attrs = _attrname##_attrs               \
        }
 
+/* CPU tunable attributes */
 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",
@@ -999,9 +1073,40 @@ LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl4_ipl, "ppt_pl4_ipl",
 LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl4_ipl_cl, "ppt_pl4_ipl_cl",
                              "Set the CPU cross loading instantaneous power limit");
 
+/* GPU tunable attributes */
+LWMI_ATTR_GROUP_TUNABLE_CAP01(dgpu_boost_clk, "dgpu_boost_clk",
+                             "Set the dedicated GPU boost clock");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(dgpu_didvid, "dgpu_didvid",
+                             "Get the GPU device identifier and vendor identifier");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(dgpu_enable, "dgpu_enable",
+                             "Set the dedicated Nvidia GPU enabled status");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_mode, "gpu_mode",
+                             "Set the GPU mode by power limit");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_ac_offset, "gpu_nv_ac_offset",
+                             "Set the Nvidia GPU AC total processing power baseline offset");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_bpl, "gpu_nv_bpl",
+                             "Set the Nvidia GPU base power limit");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_cpu_boost, "gpu_nv_cpu_boost",
+                             "Set the Nvidia GPU to CPU dynamic boost limit");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_ctgp, "gpu_nv_ctgp",
+                             "Set the GPU configurable total graphics power");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_ppab, "gpu_nv_ppab",
+                             "Set the Nvidia GPU power performance aware boost limit");
+LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_temp, "gpu_temp",
+                             "Set the GPU thermal load limit");
 
 static struct capdata01_attr_group cd01_attr_groups[] = {
        { &cpu_temp_attr_group, &cpu_temp },
+       { &dgpu_boost_clk_attr_group, &dgpu_boost_clk },
+       { &dgpu_didvid_attr_group, &dgpu_didvid },
+       { &dgpu_enable_attr_group, &dgpu_enable },
+       { &gpu_mode_attr_group, &gpu_mode },
+       { &gpu_nv_ac_offset_attr_group, &gpu_nv_ac_offset },
+       { &gpu_nv_bpl_attr_group, &gpu_nv_bpl },
+       { &gpu_nv_cpu_boost_attr_group, &gpu_nv_cpu_boost },
+       { &gpu_nv_ctgp_attr_group, &gpu_nv_ctgp },
+       { &gpu_nv_ppab_attr_group, &gpu_nv_ppab },
+       { &gpu_temp_attr_group, &gpu_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 },