RE: [PATCH 3/3] drm/amdgpu: add xgmi perfmons for arcturus

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[AMD Official Use Only - Internal Distribution Only]

Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@xxxxxxx>

-----Original Message-----
From: Kim, Jonathan <Jonathan.Kim@xxxxxxx> 
Sent: Tuesday, September 15, 2020 6:00 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Kasiviswanathan, Harish <Harish.Kasiviswanathan@xxxxxxx>; Kim, Jonathan <Jonathan.Kim@xxxxxxx>; Kim, Jonathan <Jonathan.Kim@xxxxxxx>
Subject: [PATCH 3/3] drm/amdgpu: add xgmi perfmons for arcturus

Add xgmi perfmons for Arcturus.

Signed-off-by: Jonathan Kim <Jonathan.Kim@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c | 55 +++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/df_v3_6.c    |  3 ++
 2 files changed, 58 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
index f3d2ac0e88a7..ec521c72e631 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
@@ -34,6 +34,8 @@
 #define NUM_EVENTS_DF_LEGACY		8
 #define NUM_EVENTS_VEGA20_XGMI		2
 #define NUM_EVENTS_VEGA20_MAX		2
+#define NUM_EVENTS_ARCTURUS_XGMI	6
+#define NUM_EVENTS_ARCTURUS_MAX		6
 
 /* record to keep track of pmu entry per pmu type per device */  struct amdgpu_pmu_entry { @@ -110,6 +112,27 @@ const struct attribute_group *vega20_attr_groups[] = {
 	NULL
 };
 
+/* Arcturus events */
+static const char *arcturus_events[NUM_EVENTS_ARCTURUS_MAX][2] = {
+	{ "xgmi_link0_data_outbound", "event=0x7,instance=0x4b,umask=0x2" },
+	{ "xgmi_link1_data_outbound", "event=0x7,instance=0x4c,umask=0x2" },
+	{ "xgmi_link2_data_outbound", "event=0x7,instance=0x4d,umask=0x2" },
+	{ "xgmi_link3_data_outbound", "event=0x7,instance=0x4e,umask=0x2" },
+	{ "xgmi_link4_data_outbound", "event=0x7,instance=0x4f,umask=0x2" },
+	{ "xgmi_link5_data_outbound", "event=0x7,instance=0x50,umask=0x2" } };
+
+static struct attribute_group arcturus_event_attr_group = {
+	.name = "events",
+	.attrs = NULL
+};
+
+const struct attribute_group *arcturus_attr_groups[] = {
+	&amdgpu_pmu_format_attr_group,
+	&arcturus_event_attr_group,
+	NULL
+};
+
 /* All df_vega20_* items are DEPRECATED. Use vega20_ items above instead. */  static const char *df_vega20_formats[NUM_FORMATS_DF_LEGACY][2] = {
 	{ "event", "config:0-7" },
@@ -400,6 +423,16 @@ static int init_pmu_by_type(struct amdgpu_device *adev,
 
 		pmu_entry->pmu.attr_groups = vega20_attr_groups;
 		break;
+	case CHIP_ARCTURUS:
+		amdgpu_pmu_create_attributes(evt_attr_group, evt_attr,
+				arcturus_events, 0, NUM_EVENTS_ARCTURUS_XGMI,
+				PERF_TYPE_AMDGPU_XGMI);
+		num_events += NUM_EVENTS_ARCTURUS_XGMI;
+
+		/* other events can be added here */
+
+		pmu_entry->pmu.attr_groups = arcturus_attr_groups;
+		break;
 	default:
 		return -ENODEV;
 	};
@@ -530,6 +563,28 @@ int amdgpu_pmu_init(struct amdgpu_device *adev)
 			goto err_pmu;
 		}
 
+		break;
+	case CHIP_ARCTURUS:
+		ret = amdgpu_pmu_alloc_pmu_attrs(&amdgpu_pmu_format_attr_group,
+						&fmt_attr,
+						NUM_FORMATS_AMDGPU_PMU,
+						&arcturus_event_attr_group,
+						&evt_attr,
+						NUM_EVENTS_ARCTURUS_MAX);
+
+		if (ret)
+			goto err_alloc;
+
+		ret = init_pmu_by_type(adev,
+				&amdgpu_pmu_format_attr_group, fmt_attr,
+				&arcturus_event_attr_group, evt_attr,
+				"Event", "amdgpu", PERF_TYPE_AMDGPU_MAX);
+
+		if (ret) {
+			kfree(arcturus_event_attr_group.attrs);
+			goto err_pmu;
+		}
+
 		break;
 	default:
 		return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
index 6e57ae95f997..6b4b30a8dce5 100644
--- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
+++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
@@ -513,6 +513,7 @@ static int df_v3_6_pmc_start(struct amdgpu_device *adev, uint64_t config,
 
 	switch (adev->asic_type) {
 	case CHIP_VEGA20:
+	case CHIP_ARCTURUS:
 		if (is_add)
 			return df_v3_6_pmc_add_cntr(adev, config);
 
@@ -554,6 +555,7 @@ static int df_v3_6_pmc_stop(struct amdgpu_device *adev, uint64_t config,
 
 	switch (adev->asic_type) {
 	case CHIP_VEGA20:
+	case CHIP_ARCTURUS:
 		ret = df_v3_6_pmc_get_ctrl_settings(adev,
 			config,
 			counter_idx,
@@ -590,6 +592,7 @@ static void df_v3_6_pmc_get_count(struct amdgpu_device *adev,
 
 	switch (adev->asic_type) {
 	case CHIP_VEGA20:
+	case CHIP_ARCTURUS:
 		df_v3_6_pmc_get_read_settings(adev, config, counter_idx,
 						&lo_base_addr, &hi_base_addr);
 
--
2.17.1
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