[PATCH v2 5/7] drm/amd/pm: Fill static metrics data

Asad Kamal asad.kamal at amd.com
Wed Apr 16 05:31:25 UTC 2025


Fill static metrics data for smu_v13_0_6

v2: Proceed with driver load just with warning even if board
voltage reads invalid value

Signed-off-by: Asad Kamal <asad.kamal at amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h      |  1 +
 .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c  | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
index cd03caffe317..ce3d042de5db 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
@@ -112,6 +112,7 @@ struct smu_13_0_dpm_context {
 	uint32_t                    workload_policy_mask;
 	uint32_t                    dcef_min_ds_clk;
 	uint64_t                    caps;
+	uint32_t                    board_volt;
 };
 
 enum smu_13_0_power_state {
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 3fef50df85e7..cbbeae9f05f9 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
@@ -739,6 +739,19 @@ static ssize_t smu_v13_0_6_get_pm_metrics(struct smu_context *smu,
 	return pm_metrics->common_header.structure_size;
 }
 
+static void smu_v13_0_6_fill_static_metrics_table(struct smu_context *smu,
+						  StaticMetricsTable_t *static_metrics)
+{
+	struct smu_13_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context;
+
+	if (!static_metrics->InputTelemetryVoltageInmV) {
+		dev_warn(smu->adev->dev, "Invalid board voltage %d\n",
+				static_metrics->InputTelemetryVoltageInmV);
+	}
+
+	dpm_context->board_volt = static_metrics->InputTelemetryVoltageInmV;
+}
+
 int smu_v13_0_6_get_static_metrics_table(struct smu_context *smu)
 {
 	struct smu_table_context *smu_table = &smu->smu_table;
@@ -762,6 +775,7 @@ int smu_v13_0_6_get_static_metrics_table(struct smu_context *smu)
 static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu)
 {
 	struct smu_table_context *smu_table = &smu->smu_table;
+	StaticMetricsTable_t *static_metrics = (StaticMetricsTable_t *)smu_table->metrics_table;
 	MetricsTableV0_t *metrics_v0 = (MetricsTableV0_t *)smu_table->metrics_table;
 	MetricsTableV1_t *metrics_v1 = (MetricsTableV1_t *)smu_table->metrics_table;
 	MetricsTableV2_t *metrics_v2 = (MetricsTableV2_t *)smu_table->metrics_table;
@@ -830,6 +844,7 @@ static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu)
 			ret = smu_v13_0_6_get_static_metrics_table(smu);
 			if (ret)
 				return ret;
+			smu_v13_0_6_fill_static_metrics_table(smu, static_metrics);
 		}
 	}
 
-- 
2.46.0



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