[PATCH v3 3/7] drm/amd/pn: Fetch static metrics table

[Asad Kamal]

Fetch static metrics table for smu_v13_0_6

v2: Add static metrics caps check to fetch static metrics table

v3: Update version having all fixes for static metrics support

Signed-off-by: Asad Kamal <asad.kamal at amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>
---
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c  | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

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 177c55f457f4..06bfe2488d4e 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
@@ -177,6 +177,7 @@ static const struct cmn2asic_msg_mapping smu_v13_0_6_message_map[SMU_MSG_MAX_COU
 	MSG_MAP(SetThrottlingPolicy,                 PPSMC_MSG_SetThrottlingPolicy,             0),
 	MSG_MAP(ResetSDMA,                           PPSMC_MSG_ResetSDMA,                       0),
 	MSG_MAP(ResetVCN,                            PPSMC_MSG_ResetVCN,                       0),
+	MSG_MAP(GetStaticMetricsTable,               PPSMC_MSG_GetStaticMetricsTable,           0),
 };
 
 // clang-format on
@@ -391,6 +392,8 @@ static void smu_v13_0_6_init_caps(struct smu_context *smu)
 		if ((pgm == 7 && fw_ver >= 0x7550E00) ||
 		    (pgm == 0 && fw_ver >= 0x00557E00))
 			smu_v13_0_6_cap_set(smu, SMU_CAP(HST_LIMIT_METRICS));
+		if (fw_ver >= 0x00557F00)
+			smu_v13_0_6_cap_set(smu, SMU_CAP(STATIC_METRICS));
 	}
 	if (((pgm == 7) && (fw_ver >= 0x7550700)) ||
 	    ((pgm == 0) && (fw_ver >= 0x00557900)) ||
@@ -736,6 +739,26 @@ static ssize_t smu_v13_0_6_get_pm_metrics(struct smu_context *smu,
 	return pm_metrics->common_header.structure_size;
 }
 
+static int smu_v13_0_6_get_static_metrics_table(struct smu_context *smu)
+{
+	struct smu_table_context *smu_table = &smu->smu_table;
+	uint32_t table_size = smu_table->tables[SMU_TABLE_SMU_METRICS].size;
+	struct smu_table *table = &smu_table->driver_table;
+	int ret;
+
+	ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetStaticMetricsTable, NULL);
+	if (ret) {
+		dev_info(smu->adev->dev,
+				"Failed to export static metrics table!\n");
+		return ret;
+	}
+
+	amdgpu_asic_invalidate_hdp(smu->adev, NULL);
+	memcpy(smu_table->metrics_table, table->cpu_addr, table_size);
+
+	return 0;
+}
+
 static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu)
 {
 	struct smu_table_context *smu_table = &smu->smu_table;
@@ -803,6 +826,11 @@ static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu)
 			GET_METRIC_FIELD(PublicSerialNumber_AID, version)[0];
 
 		pptable->Init = true;
+		if (smu_v13_0_6_cap_supported(smu, SMU_CAP(STATIC_METRICS))) {
+			ret = smu_v13_0_6_get_static_metrics_table(smu);
+			if (ret)
+				return ret;
+		}
 	}
 
 	return 0;
-- 
2.46.0