drm/amd/powerplay: add Arcturus support for gpu metrics export

Add Arcturus gpu metrics export interface.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index d292898120be..5aa0d5b03f7e 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -79,6 +79,8 @@
 /* possible frequency drift (1Mhz) */
 #define EPSILON				1
 
+#define smnPCIE_ESM_CTRL			0x111003D0
+
 static const struct cmn2asic_msg_mapping arcturus_message_map[SMU_MSG_MAX_COUNT] = {
 	MSG_MAP(TestMessage,			     PPSMC_MSG_TestMessage,			0),
 	MSG_MAP(GetSmuVersion,			     PPSMC_MSG_GetSmuVersion,			1),
@@ -234,6 +236,13 @@ static int arcturus_tables_init(struct smu_context *smu)
 		return -ENOMEM;
 	smu_table->metrics_time = 0;
 
+	smu_table->gpu_metrics_table_size = sizeof(struct gpu_metrics_v1_0);
+	smu_table->gpu_metrics_table = kzalloc(smu_table->gpu_metrics_table_size, GFP_KERNEL);
+	if (!smu_table->gpu_metrics_table) {
+		kfree(smu_table->metrics_table);
+		return -ENOMEM;
+	}
+
 	return 0;
 }
 
@@ -2242,6 +2251,88 @@ static void arcturus_log_thermal_throttling_event(struct smu_context *smu)
 	kgd2kfd_smi_event_throttle(smu->adev->kfd.dev, throttler_status);
 }
 
+static int arcturus_get_current_pcie_link_speed(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+	uint32_t esm_ctrl;
+
+	/* TODO: confirm this on real target */
+	esm_ctrl = RREG32_PCIE(smnPCIE_ESM_CTRL);
+	if ((esm_ctrl >> 15) & 0x1FFFF)
+		return (((esm_ctrl >> 8) & 0x3F) + 128);
+
+	return smu_v11_0_get_current_pcie_link_speed(smu);
+}
+
+static ssize_t arcturus_get_gpu_metrics(struct smu_context *smu,
+					void **table)
+{
+	struct smu_table_context *smu_table = &smu->smu_table;
+	struct gpu_metrics_v1_0 *gpu_metrics =
+		(struct gpu_metrics_v1_0 *)smu_table->gpu_metrics_table;
+	SmuMetrics_t metrics;
+	int ret = 0;
+
+	mutex_lock(&smu->metrics_lock);
+
+	ret = smu_cmn_update_table(smu,
+				   SMU_TABLE_SMU_METRICS,
+				   0,
+				   smu_table->metrics_table,
+				   false);
+	if (ret) {
+		dev_info(smu->adev->dev, "Failed to export SMU metrics table!\n");
+		mutex_unlock(&smu->metrics_lock);
+		return ret;
+	}
+	smu_table->metrics_time = jiffies;
+
+	memcpy(&metrics, smu_table->metrics_table, sizeof(SmuMetrics_t));
+
+	mutex_unlock(&smu->metrics_lock);
+
+	smu_v11_0_init_gpu_metrics_v1_0(gpu_metrics);
+
+	gpu_metrics->temperature_edge = metrics.TemperatureEdge;
+	gpu_metrics->temperature_hotspot = metrics.TemperatureHotspot;
+	gpu_metrics->temperature_mem = metrics.TemperatureHBM;
+	gpu_metrics->temperature_vrgfx = metrics.TemperatureVrGfx;
+	gpu_metrics->temperature_vrsoc = metrics.TemperatureVrSoc;
+	gpu_metrics->temperature_vrmem = metrics.TemperatureVrMem;
+
+	gpu_metrics->average_gfx_activity = metrics.AverageGfxActivity;
+	gpu_metrics->average_umc_activity = metrics.AverageUclkActivity;
+	gpu_metrics->average_mm_activity = metrics.VcnActivityPercentage;
+
+	gpu_metrics->average_socket_power = metrics.AverageSocketPower;
+	gpu_metrics->energy_accumulator = metrics.EnergyAccumulator;
+
+	gpu_metrics->average_gfxclk_frequency = metrics.AverageGfxclkFrequency;
+	gpu_metrics->average_socclk_frequency = metrics.AverageSocclkFrequency;
+	gpu_metrics->average_uclk_frequency = metrics.AverageUclkFrequency;
+	gpu_metrics->average_vclk0_frequency = metrics.AverageVclkFrequency;
+	gpu_metrics->average_dclk0_frequency = metrics.AverageDclkFrequency;
+
+	gpu_metrics->current_gfxclk = metrics.CurrClock[PPCLK_GFXCLK];
+	gpu_metrics->current_socclk = metrics.CurrClock[PPCLK_SOCCLK];
+	gpu_metrics->current_uclk = metrics.CurrClock[PPCLK_UCLK];
+	gpu_metrics->current_vclk0 = metrics.CurrClock[PPCLK_VCLK];
+	gpu_metrics->current_dclk0 = metrics.CurrClock[PPCLK_DCLK];
+
+	gpu_metrics->throttle_status = metrics.ThrottlerStatus;
+
+	gpu_metrics->current_fan_speed = metrics.CurrFanSpeed;
+
+	gpu_metrics->pcie_link_width =
+			smu_v11_0_get_current_pcie_link_width(smu);
+	gpu_metrics->pcie_link_speed =
+			arcturus_get_current_pcie_link_speed(smu);
+
+	*table = (void *)gpu_metrics;
+
+	return sizeof(struct gpu_metrics_v1_0);
+}
+
 static const struct pptable_funcs arcturus_ppt_funcs = {
 	/* init dpm */
 	.get_allowed_feature_mask = arcturus_get_allowed_feature_mask,
@@ -2319,6 +2410,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
 	.log_thermal_throttling_event = arcturus_log_thermal_throttling_event,
 	.get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
 	.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,
+	.get_gpu_metrics = arcturus_get_gpu_metrics,
 };
 
 void arcturus_set_ppt_funcs(struct smu_context *smu)