From: Asad Kamal <asad.kamal@amd.com>
Date: Fri, 29 Aug 2025 04:25:54 +0000 (+0800)
Subject: drm/amd/pm: Fetch npm data from system metrics table
X-Git-Tag: v6.18-rc1~134^2~3^2~12
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=acae8ad69bb513fdc3c111b8794fd6a36bf147c0;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/pm: Fetch npm data from system metrics table

Fetch npm data from system metrics table for smu_v13_0_12

v3: Remove intermittent type for npm data, remove node id check,
move npm caps check to npm_get_data function (Lijo)

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
index f10228de416c6..1842a33b2bce7 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
@@ -341,6 +341,9 @@ 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];
+		if (smu_v13_0_6_cap_supported(smu, SMU_CAP(NPM_METRICS)))
+			pptable->MaxNodePowerLimit =
+				SMUQ10_ROUND(static_metrics->MaxNodePowerLimit);
 		smu_v13_0_12_init_xgmi_data(smu, static_metrics);
 		pptable->Init = true;
 	}
@@ -580,6 +583,50 @@ static bool smu_v13_0_12_is_temp_metrics_supported(struct smu_context *smu,
 	return false;
 }
 
+int smu_v13_0_12_get_npm_data(struct smu_context *smu,
+			      enum amd_pp_sensors sensor,
+			      uint32_t *value)
+{
+	struct smu_table_context *smu_table = &smu->smu_table;
+	struct PPTable_t *pptable =
+		(struct PPTable_t *)smu_table->driver_pptable;
+	struct smu_table *tables = smu_table->tables;
+	SystemMetricsTable_t *metrics;
+	struct smu_table *sys_table;
+	int ret;
+
+	if (!smu_v13_0_6_cap_supported(smu, SMU_CAP(NPM_METRICS)))
+		return -EOPNOTSUPP;
+
+	if (sensor == AMDGPU_PP_SENSOR_MAXNODEPOWERLIMIT) {
+		*value = pptable->MaxNodePowerLimit;
+		return 0;
+	}
+
+	ret = smu_v13_0_12_get_system_metrics_table(smu);
+	if (ret)
+		return ret;
+
+	sys_table = &tables[SMU_TABLE_PMFW_SYSTEM_METRICS];
+	metrics = (SystemMetricsTable_t *)sys_table->cache.buffer;
+
+	switch (sensor) {
+	case AMDGPU_PP_SENSOR_NODEPOWERLIMIT:
+		*value = SMUQ10_ROUND(metrics->NodePowerLimit);
+		break;
+	case AMDGPU_PP_SENSOR_NODEPOWER:
+		*value = SMUQ10_ROUND(metrics->NodePower);
+		break;
+	case AMDGPU_PP_SENSOR_GPPTRESIDENCY:
+		*value = SMUQ10_ROUND(metrics->GlobalPPTResidencyAcc);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return ret;
+}
+
 static ssize_t smu_v13_0_12_get_temp_metrics(struct smu_context *smu,
 					     enum smu_temp_metric_type type, void *table)
 {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index 4e2a2393fff54..86c215894f49e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -1801,6 +1801,15 @@ static int smu_v13_0_6_read_sensor(struct smu_context *smu,
 			ret = -EOPNOTSUPP;
 			break;
 		}
+	case AMDGPU_PP_SENSOR_NODEPOWERLIMIT:
+	case AMDGPU_PP_SENSOR_NODEPOWER:
+	case AMDGPU_PP_SENSOR_GPPTRESIDENCY:
+	case AMDGPU_PP_SENSOR_MAXNODEPOWERLIMIT:
+		ret = smu_v13_0_12_get_npm_data(smu, sensor, (uint32_t *)data);
+		if (ret)
+			return ret;
+		*size = 4;
+		break;
 	case AMDGPU_PP_SENSOR_GPU_AVG_POWER:
 	default:
 		ret = -EOPNOTSUPP;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h
index 4652fcd5e0683..7ef5f3e66c273 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h
@@ -49,6 +49,7 @@ struct PPTable_t {
 	uint32_t MaxLclkDpmRange;
 	uint32_t MinLclkDpmRange;
 	uint64_t PublicSerialNumber_AID;
+	uint32_t MaxNodePowerLimit;
 	bool Init;
 };
 
@@ -70,6 +71,7 @@ enum smu_v13_0_6_caps {
 	SMU_CAP(BOARD_VOLTAGE),
 	SMU_CAP(PLDM_VERSION),
 	SMU_CAP(TEMP_METRICS),
+	SMU_CAP(NPM_METRICS),
 	SMU_CAP(ALL),
 };
 
@@ -91,6 +93,9 @@ ssize_t smu_v13_0_12_get_xcp_metrics(struct smu_context *smu,
 				     void *smu_metrics);
 int smu_v13_0_12_tables_init(struct smu_context *smu);
 void smu_v13_0_12_tables_fini(struct smu_context *smu);
+int smu_v13_0_12_get_npm_data(struct smu_context *smu,
+			      enum amd_pp_sensors sensor,
+			      uint32_t *value);
 extern const struct cmn2asic_mapping smu_v13_0_12_feature_mask_map[];
 extern const struct cmn2asic_msg_mapping smu_v13_0_12_message_map[];
 extern const struct smu_temp_funcs smu_v13_0_12_temp_funcs;