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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>
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‎Documentation/wmi/devices/lenovo-wmi-other.rst‎

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@@ -69,6 +69,16 @@ Each attribute has the following properties:
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The following firmware-attributes are implemented:
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- cpu_temp: CPU Thermal Load Limit
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- dgpu_boost_clk: Dedicated GPU Boost Clock
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- dgpu_enable: Dedicated GPU Enabled Status
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- gpu_didvid: GPU Device Identifier and Vendor Identifier
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- gpu_mode: GPU Mode by Power Limit
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- gpu_nv_ac_offset: Nvidia GPU AC Total Processing Power Baseline Offset
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- gpu_nv_bpl: Nvidia GPU Base Power Limit
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- gpu_nv_cpu_boost: Nvidia GPU to CPU Dynamic Boost Limit
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- gpu_nv_ctgp: Nvidia GPU Configurable Total Graphics Power
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- gpu_nv_ppab: Nvidia GPU Power Performance Aware Boost Limit
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- gpu_temp: GPU Thermal Load Limit
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- ppt_cpu_cl: CPU Cross Loading Power Limit
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- ppt_pl1_apu_spl: Platform Profile Tracking APU Sustained Power Limit
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- ppt_pl1_spl: Platform Profile Tracking Sustained Power Limit

‎drivers/platform/x86/lenovo/wmi-capdata.h‎

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@@ -20,6 +20,7 @@
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enum lwmi_device_id {
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LWMI_DEVICE_ID_CPU = 0x01,
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LWMI_DEVICE_ID_GPU = 0x02,
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LWMI_DEVICE_ID_FAN = 0x04,
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};
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‎drivers/platform/x86/lenovo/wmi-other.c‎

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@@ -61,6 +61,19 @@ enum lwmi_feature_id_cpu {
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LWMI_FEATURE_ID_CPU_IPL = 0x09,
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};
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enum lwmi_feature_id_gpu {
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LWMI_FEATURE_ID_GPU_NV_PPAB = 0x01,
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LWMI_FEATURE_ID_GPU_NV_CTGP = 0x02,
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LWMI_FEATURE_ID_GPU_TEMP = 0x03,
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LWMI_FEATURE_ID_GPU_AC_OFFSET = 0x04,
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LWMI_FEATURE_ID_DGPU_BOOST_CLK = 0x06,
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LWMI_FEATURE_ID_DGPU_EN = 0x07,
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LWMI_FEATURE_ID_GPU_MODE = 0x08,
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LWMI_FEATURE_ID_DGPU_DIDVID = 0x09,
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LWMI_FEATURE_ID_GPU_NV_BPL = 0x0a,
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LWMI_FEATURE_ID_GPU_NV_CPU_BOOST = 0x0b,
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};
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#define LWMI_FEATURE_ID_FAN_RPM 0x03
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#define LWMI_TYPE_ID_CROSSLOAD 0x01
@@ -624,6 +637,66 @@ static struct tunable_attr_01 ppt_pl4_ipl_cl = {
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.type_id = LWMI_TYPE_ID_CROSSLOAD,
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};
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static struct tunable_attr_01 gpu_nv_ppab = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_GPU_NV_PPAB,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 gpu_nv_ctgp = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_GPU_NV_CTGP,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 gpu_temp = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_GPU_TEMP,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 gpu_nv_ac_offset = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_GPU_AC_OFFSET,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 dgpu_boost_clk = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_DGPU_BOOST_CLK,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 dgpu_enable = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_DGPU_EN,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 gpu_mode = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_GPU_MODE,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 dgpu_didvid = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_DGPU_DIDVID,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 gpu_nv_bpl = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_GPU_NV_BPL,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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static struct tunable_attr_01 gpu_nv_cpu_boost = {
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.device_id = LWMI_DEVICE_ID_GPU,
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.feature_id = LWMI_FEATURE_ID_GPU_NV_CPU_BOOST,
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.type_id = LWMI_TYPE_ID_NONE,
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};
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struct capdata01_attr_group {
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const struct attribute_group *attr_group;
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struct tunable_attr_01 *tunable_attr;
@@ -959,6 +1032,7 @@ static bool lwmi_attr_01_is_supported(struct tunable_attr_01 *tunable_attr)
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.name = _fsname, .attrs = _attrname##_attrs \
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}
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/* CPU tunable attributes */
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LWMI_ATTR_GROUP_TUNABLE_CAP01(cpu_temp, "cpu_temp",
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"Set the CPU thermal load limit");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_cpu_cl, "ppt_cpu_cl",
@@ -984,9 +1058,40 @@ LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl4_ipl, "ppt_pl4_ipl",
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LWMI_ATTR_GROUP_TUNABLE_CAP01(ppt_pl4_ipl_cl, "ppt_pl4_ipl_cl",
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"Set the CPU cross loading instantaneous power limit");
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/* GPU tunable attributes */
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LWMI_ATTR_GROUP_TUNABLE_CAP01(dgpu_boost_clk, "dgpu_boost_clk",
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"Set the dedicated GPU boost clock");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(dgpu_didvid, "gpu_didvid",
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"Get the GPU device identifier and vendor identifier");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(dgpu_enable, "dgpu_enable",
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"Set the dedicated Nvidia GPU enabled status");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_mode, "gpu_mode",
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"Set the GPU mode by power limit");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_ac_offset, "gpu_nv_ac_offset",
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"Set the Nvidia GPU AC total processing power baseline offset");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_bpl, "gpu_nv_bpl",
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"Set the Nvidia GPU base power limit");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_cpu_boost, "gpu_nv_cpu_boost",
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"Set the Nvidia GPU to CPU dynamic boost limit");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_ctgp, "gpu_nv_ctgp",
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"Set the GPU configurable total graphics power");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_nv_ppab, "gpu_nv_ppab",
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"Set the Nvidia GPU power performance aware boost limit");
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LWMI_ATTR_GROUP_TUNABLE_CAP01(gpu_temp, "gpu_temp",
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"Set the GPU thermal load limit");
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static struct capdata01_attr_group cd01_attr_groups[] = {
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{ &cpu_temp_attr_group, &cpu_temp },
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{ &dgpu_boost_clk_attr_group, &dgpu_boost_clk },
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{ &dgpu_didvid_attr_group, &dgpu_didvid },
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{ &dgpu_enable_attr_group, &dgpu_enable },
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{ &gpu_mode_attr_group, &gpu_mode },
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{ &gpu_nv_ac_offset_attr_group, &gpu_nv_ac_offset },
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{ &gpu_nv_bpl_attr_group, &gpu_nv_bpl },
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{ &gpu_nv_cpu_boost_attr_group, &gpu_nv_cpu_boost },
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{ &gpu_nv_ctgp_attr_group, &gpu_nv_ctgp },
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{ &gpu_nv_ppab_attr_group, &gpu_nv_ppab },
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{ &gpu_temp_attr_group, &gpu_temp },
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{ &ppt_cpu_cl_attr_group, &ppt_cpu_cl },
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{ &ppt_pl1_apu_spl_attr_group, &ppt_pl1_apu_spl },
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{ &ppt_pl1_spl_attr_group, &ppt_pl1_spl },

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