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drm/amd/pm: Add smu interface for temp metrics

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Add smu interface to get baseboard/gpuboard temperature metrics

v2: Rename is_support to is_supported(Lijo)

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asad Kamal 2025-08-02 02:10:12 +08:00 committed by Alex Deucher
parent 83953ec1fe
commit 775c7e8e4d
2 changed files with 56 additions and 0 deletions
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29
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View File

@ -3831,6 +3831,33 @@ int smu_set_pm_policy(struct smu_context *smu, enum pp_pm_policy p_type,
return ret;
}
static ssize_t smu_sys_get_temp_metrics(void *handle, enum smu_temp_metric_type type, void *table)
{
struct smu_context *smu = handle;
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
return -EOPNOTSUPP;
if (!smu->smu_temp.temp_funcs || !smu->smu_temp.temp_funcs->get_temp_metrics)
return -EOPNOTSUPP;
return smu->smu_temp.temp_funcs->get_temp_metrics(smu, type, table);
}
static bool smu_temp_metrics_is_supported(void *handle, enum smu_temp_metric_type type)
{
struct smu_context *smu = handle;
bool ret = false;
if (!smu->pm_enabled)
return false;
if (smu->smu_temp.temp_funcs && smu->smu_temp.temp_funcs->temp_metrics_is_supported)
ret = smu->smu_temp.temp_funcs->temp_metrics_is_supported(smu, type);
return ret;
}
static ssize_t smu_sys_get_xcp_metrics(void *handle, int xcp_id, void *table)
{
struct smu_context *smu = handle;
@ -3903,6 +3930,8 @@ static const struct amd_pm_funcs swsmu_pm_funcs = {
.get_dpm_clock_table = smu_get_dpm_clock_table,
.get_smu_prv_buf_details = smu_get_prv_buffer_details,
.get_xcp_metrics = smu_sys_get_xcp_metrics,
.get_temp_metrics = smu_sys_get_temp_metrics,
.temp_metrics_is_supported = smu_temp_metrics_is_supported,
};
int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event,

27
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
View File

@ -396,6 +396,10 @@ struct smu_dpm_context {
struct smu_dpm_policy_ctxt *dpm_policies;
};
struct smu_temp_context {
const struct smu_temp_funcs *temp_funcs;
};
struct smu_power_gate {
bool uvd_gated;
bool vce_gated;
@ -529,6 +533,7 @@ struct smu_context {
struct smu_table_context smu_table;
struct smu_dpm_context smu_dpm;
struct smu_power_context smu_power;
struct smu_temp_context smu_temp;
struct smu_feature smu_feature;
struct amd_pp_display_configuration *display_config;
struct smu_baco_context smu_baco;
@ -623,6 +628,28 @@ struct smu_context {
struct i2c_adapter;
/**
* struct smu_temp_funcs - Callbacks used to get temperature data.
*/
struct smu_temp_funcs {
/**
* @get_temp_metrics: Calibrate voltage/frequency curve to fit the system's
* power delivery and voltage margins. Required for adaptive
* @type Temperature metrics type(baseboard/gpuboard)
* Return: Size of &table
*/
ssize_t (*get_temp_metrics)(struct smu_context *smu,
enum smu_temp_metric_type type, void *table);
/**
* @temp_metrics_is_support: Get if specific temperature metrics is supported
* @type Temperature metrics type(baseboard/gpuboard)
* Return: true if supported else false
*/
bool (*temp_metrics_is_supported)(struct smu_context *smu, enum smu_temp_metric_type type);
};
/**
* struct pptable_funcs - Callbacks used to interact with the SMU.
*/