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drm/amd/pm: Add ppt1 support

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Add ppt1 support for smu_v15_0_8

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
2025-12-26 13:00:48 +08:00
committed by Alex Deucher
parent bc296e6c95
commit a6c2ecd95e
1 changed files with 74 additions and 1 deletions
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75
drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c
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@@ -1715,6 +1715,78 @@ static int smu_v15_0_8_get_thermal_temperature_range(struct smu_context *smu,
return 0;
}
static int smu_v15_0_8_set_power_limit(struct smu_context *smu,
enum smu_ppt_limit_type limit_type,
uint32_t limit)
{
struct smu_table_context *smu_table = &smu->smu_table;
PPTable_t *pptable = (PPTable_t *)smu_table->driver_pptable;
int ret;
if (limit_type == SMU_FAST_PPT_LIMIT) {
if (!pptable->PPT1Max)
return -EOPNOTSUPP;
if (limit > pptable->PPT1Max || limit < pptable->PPT1Min) {
dev_err(smu->adev->dev,
"New PPT1 limit (%d) should be between min %d and max %d\n",
limit, pptable->PPT1Min, pptable->PPT1Max);
return -EINVAL;
}
ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetFastPptLimit,
limit, NULL);
if (ret)
dev_err(smu->adev->dev, "Set fast PPT limit failed!\n");
return ret;
}
return smu_v15_0_set_power_limit(smu, limit_type, limit);
}
static int smu_v15_0_8_get_ppt_limit(struct smu_context *smu,
uint32_t *ppt_limit,
enum smu_ppt_limit_type type,
enum smu_ppt_limit_level level)
{
struct smu_table_context *smu_table = &smu->smu_table;
PPTable_t *pptable = (PPTable_t *)smu_table->driver_pptable;
int ret = 0;
if (!ppt_limit)
return -EINVAL;
if (type == SMU_FAST_PPT_LIMIT) {
if (!pptable->PPT1Max)
return -EOPNOTSUPP;
switch (level) {
case SMU_PPT_LIMIT_MAX:
*ppt_limit = pptable->PPT1Max;
break;
case SMU_PPT_LIMIT_CURRENT:
ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetFastPptLimit,
ppt_limit);
if (ret)
dev_err(smu->adev->dev,
"Get fast PPT limit failed!\n");
break;
case SMU_PPT_LIMIT_DEFAULT:
*ppt_limit = pptable->PPT1Default;
break;
case SMU_PPT_LIMIT_MIN:
*ppt_limit = pptable->PPT1Min;
break;
default:
return -EOPNOTSUPP;
}
return ret;
}
return -EOPNOTSUPP;
}
static const struct pptable_funcs smu_v15_0_8_ppt_funcs = {
.init_allowed_features = smu_v15_0_8_init_allowed_features,
.set_default_dpm_table = smu_v15_0_8_set_default_dpm_table,
@@ -1741,7 +1813,8 @@ static const struct pptable_funcs smu_v15_0_8_ppt_funcs = {
.get_gpu_metrics = smu_v15_0_8_get_gpu_metrics,
.get_unique_id = smu_v15_0_8_get_unique_id,
.get_power_limit = smu_v15_0_8_get_power_limit,
.set_power_limit = smu_v15_0_set_power_limit,
.set_power_limit = smu_v15_0_8_set_power_limit,
.get_ppt_limit = smu_v15_0_8_get_ppt_limit,
.emit_clk_levels = smu_v15_0_8_emit_clk_levels,
.populate_umd_state_clk = smu_v15_0_8_populate_umd_state_clk,
.set_performance_level = smu_v15_0_8_set_performance_level,