drm/amd/pm: add the interface to dump smu metrics table for vangogh

This patch is to add the interface to dump smu metrics table for vangogh.
Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/inc/smu_v11_0.h

@@ -276,6 +276,8 @@ int smu_v11_0_get_current_pcie_link_speed(struct smu_context *smu);
 
 void smu_v11_0_init_gpu_metrics_v1_0(struct gpu_metrics_v1_0 *gpu_metrics);
 
+void smu_v11_0_init_gpu_metrics_v2_0(struct gpu_metrics_v2_0 *gpu_metrics);
+
 int smu_v11_0_gfx_ulv_control(struct smu_context *smu,
 			      bool enablement);
 

drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c

@@ -1999,6 +1999,18 @@ void smu_v11_0_init_gpu_metrics_v1_0(struct gpu_metrics_v1_0 *gpu_metrics)
 	gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
 }
 
+void smu_v11_0_init_gpu_metrics_v2_0(struct gpu_metrics_v2_0 *gpu_metrics)
+{
+	memset(gpu_metrics, 0xFF, sizeof(struct gpu_metrics_v2_0));
+
+	gpu_metrics->common_header.structure_size =
+				sizeof(struct gpu_metrics_v2_0);
+	gpu_metrics->common_header.format_revision = 2;
+	gpu_metrics->common_header.content_revision = 0;
+
+	gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
+}
+
 int smu_v11_0_gfx_ulv_control(struct smu_context *smu,
 			      bool enablement)
 {

drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c

@@ -584,6 +584,57 @@ static int vangogh_set_watermarks_table(struct smu_context *smu,
 	return 0;
 }
 
+static ssize_t vangogh_get_gpu_metrics(struct smu_context *smu,
+				      void **table)
+{
+	struct smu_table_context *smu_table = &smu->smu_table;
+	struct gpu_metrics_v2_0 *gpu_metrics =
+		(struct gpu_metrics_v2_0 *)smu_table->gpu_metrics_table;
+	SmuMetrics_t metrics;
+	int ret = 0;
+
+	ret = smu_cmn_get_metrics_table(smu, &metrics, true);
+	if (ret)
+		return ret;
+
+	smu_v11_0_init_gpu_metrics_v2_0(gpu_metrics);
+
+	gpu_metrics->temperature_gfx = metrics.GfxTemperature;
+	gpu_metrics->temperature_soc = metrics.SocTemperature;
+	memcpy(&gpu_metrics->temperature_core[0],
+		&metrics.CoreTemperature[0],
+		sizeof(uint16_t) * 8);
+	gpu_metrics->temperature_l3[0] = metrics.L3Temperature[0];
+	gpu_metrics->temperature_l3[1] = metrics.L3Temperature[1];
+
+	gpu_metrics->average_gfx_activity = metrics.GfxActivity;
+	gpu_metrics->average_mm_activity = metrics.UvdActivity;
+
+	gpu_metrics->average_socket_power = metrics.CurrentSocketPower;
+	gpu_metrics->average_cpu_power = metrics.Power[0];
+	gpu_metrics->average_soc_power = metrics.Power[1];
+	memcpy(&gpu_metrics->average_core_power[0],
+		&metrics.CorePower[0],
+		sizeof(uint16_t) * 8);
+
+	gpu_metrics->average_gfxclk_frequency = metrics.GfxclkFrequency;
+	gpu_metrics->average_socclk_frequency = metrics.SocclkFrequency;
+	gpu_metrics->average_fclk_frequency = metrics.MemclkFrequency;
+	gpu_metrics->average_vclk_frequency = metrics.VclkFrequency;
+
+	memcpy(&gpu_metrics->current_coreclk[0],
+		&metrics.CoreFrequency[0],
+		sizeof(uint16_t) * 8);
+	gpu_metrics->current_l3clk[0] = metrics.L3Frequency[0];
+	gpu_metrics->current_l3clk[1] = metrics.L3Frequency[1];
+
+	gpu_metrics->throttle_status = metrics.ThrottlerStatus;
+
+	*table = (void *)gpu_metrics;
+
+	return sizeof(struct gpu_metrics_v2_0);
+}
+
 static const struct pptable_funcs vangogh_ppt_funcs = {
 
 	.check_fw_status = smu_v11_0_check_fw_status,
@@ -607,6 +658,7 @@ static const struct pptable_funcs vangogh_ppt_funcs = {
 	.set_driver_table_location = smu_v11_0_set_driver_table_location,
 	.disable_all_features_with_exception = smu_cmn_disable_all_features_with_exception,
 	.interrupt_work = smu_v11_0_interrupt_work,
+	.get_gpu_metrics = vangogh_get_gpu_metrics,
 };
 
 void vangogh_set_ppt_funcs(struct smu_context *smu)