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drm/amd/pm: Fetch SMUv13.0.12 xgmi max speed/width

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On SMU v13.0.12 SOCs, fetch the max values of xgmi speed/width from
firmware.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2025-06-13 18:08:22 +05:30
committed by Alex Deucher
parent a29e067bd3
commit 1bec2f2707
3 changed files with 30 additions and 2 deletions
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26
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
View File

@@ -187,6 +187,31 @@ int smu_v13_0_12_get_max_metrics_size(void)
return max(sizeof(StaticMetricsTable_t), sizeof(MetricsTable_t));
}
static void smu_v13_0_12_init_xgmi_data(struct smu_context *smu,
StaticMetricsTable_t *static_metrics)
{
struct smu_table_context *smu_table = &smu->smu_table;
uint16_t max_speed;
uint8_t max_width;
int ret;
if (smu_table->tables[SMU_TABLE_SMU_METRICS].version >= 0x13) {
max_width = (uint8_t)static_metrics->MaxXgmiWidth;
max_speed = (uint16_t)static_metrics->MaxXgmiBitrate;
ret = 0;
} else {
MetricsTable_t *metrics = (MetricsTable_t *)smu_table->metrics_table;
ret = smu_v13_0_6_get_metrics_table(smu, NULL, true);
if (!ret) {
max_width = (uint8_t)metrics->XgmiWidth;
max_speed = (uint16_t)metrics->XgmiBitrate;
}
}
if (!ret)
amgpu_xgmi_set_max_speed_width(smu->adev, max_speed, max_width);
}
int smu_v13_0_12_setup_driver_pptable(struct smu_context *smu)
{
struct smu_13_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context;
@@ -249,6 +274,7 @@ int smu_v13_0_12_setup_driver_pptable(struct smu_context *smu)
static_metrics->pldmVersion[0] != 0xFFFFFFFF)
smu->adev->firmware.pldm_version =
static_metrics->pldmVersion[0];
smu_v13_0_12_init_xgmi_data(smu, static_metrics);
pptable->Init = true;
}

4
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
View File

@@ -690,8 +690,8 @@ static int smu_v13_0_6_get_allowed_feature_mask(struct smu_context *smu,
return 0;
}
static int smu_v13_0_6_get_metrics_table(struct smu_context *smu,
void *metrics_table, bool bypass_cache)
int smu_v13_0_6_get_metrics_table(struct smu_context *smu, void *metrics_table,
bool bypass_cache)
{
struct smu_table_context *smu_table = &smu->smu_table;
uint32_t table_size = smu_table->tables[SMU_TABLE_SMU_METRICS].size;

2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h
View File

@@ -74,6 +74,8 @@ enum smu_v13_0_6_caps {
extern void smu_v13_0_6_set_ppt_funcs(struct smu_context *smu);
bool smu_v13_0_6_cap_supported(struct smu_context *smu, enum smu_v13_0_6_caps cap);
int smu_v13_0_6_get_static_metrics_table(struct smu_context *smu);
int smu_v13_0_6_get_metrics_table(struct smu_context *smu, void *metrics_table,
bool bypass_cache);
bool smu_v13_0_12_is_dpm_running(struct smu_context *smu);
int smu_v13_0_12_get_max_metrics_size(void);