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

[Kasiviswanathan, Harish]

[AMD Official Use Only - Internal Distribution Only]

This series Acked-by: Harish Kasiviswanathan <Harish.Kasiviswanathan at amd.com>

-----Original Message-----
From: Kim, Jonathan <Jonathan.Kim at amd.com> 
Sent: Friday, October 2, 2020 4:19 PM
To: amd-gfx at lists.freedesktop.org
Cc: Kasiviswanathan, Harish <Harish.Kasiviswanathan at amd.com>; Kim, Jonathan <Jonathan.Kim at amd.com>
Subject: [PATCH 3/3] drm/amdgpu: add xgmi perfmons for arcturus

Add xgmi perfmons for Arcturus.

Signed-off-by: Jonathan Kim <jonathan.kim at amd.com>

v4: Align with patch 2 with struct improvements
v3: Align with patch 2 streamlining perf types versus event config types.
v2: Resend for re-review with alignment for v3 in patch 2.
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c | 49 +++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/df_v3_6.c    |  3 ++
 2 files changed, 52 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
index 20c500f61b40..d29226f7b6ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
@@ -35,6 +35,9 @@
 #define NUM_EVENT_TYPES_VEGA20		1
 #define NUM_EVENTS_VEGA20_XGMI		2
 #define NUM_EVENTS_VEGA20_MAX		NUM_EVENTS_VEGA20_XGMI
+#define NUM_EVENT_TYPES_ARCTURUS	1
+#define NUM_EVENTS_ARCTURUS_XGMI	6
+#define NUM_EVENTS_ARCTURUS_MAX		NUM_EVENTS_ARCTURUS_XGMI
 
 struct amdgpu_pmu_event_attribute {
 	struct device_attribute attr;
@@ -174,6 +177,36 @@ static struct amdgpu_pmu_config df_vega20_config = {
 	.num_types = 0
 };
 
+/* Arcturus events */
+static struct amdgpu_pmu_attr arcturus_events[NUM_EVENTS_ARCTURUS_MAX] = {
+	{ .name = "xgmi_link0_data_outbound",
+			.config = "event=0x7,instance=0x4b,umask=0x2" },
+	{ .name = "xgmi_link1_data_outbound",
+			.config = "event=0x7,instance=0x4c,umask=0x2" },
+	{ .name = "xgmi_link2_data_outbound",
+			.config = "event=0x7,instance=0x4d,umask=0x2" },
+	{ .name = "xgmi_link3_data_outbound",
+			.config = "event=0x7,instance=0x4e,umask=0x2" },
+	{ .name = "xgmi_link4_data_outbound",
+			.config = "event=0x7,instance=0x4f,umask=0x2" },
+	{ .name = "xgmi_link5_data_outbound",
+			.config = "event=0x7,instance=0x50,umask=0x2" } };
+
+static struct amdgpu_pmu_type arcturus_types[NUM_EVENT_TYPES_ARCTURUS] = {
+	{ .type = AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI,
+				.num_of_type = NUM_EVENTS_ARCTURUS_XGMI } };
+
+static struct amdgpu_pmu_config arcturus_config = {
+	.formats = amdgpu_pmu_formats,
+	.num_formats = ARRAY_SIZE(amdgpu_pmu_formats),
+	.events = arcturus_events,
+	.num_events = ARRAY_SIZE(arcturus_events),
+	.types = arcturus_types,
+	.num_types = ARRAY_SIZE(arcturus_types) };
+
 /* initialize perf counter */
 static int amdgpu_perf_event_init(struct perf_event *event)  { @@ -605,6 +638,22 @@ int amdgpu_pmu_init(struct amdgpu_device *adev)
 		}
 
 		break;
+	case CHIP_ARCTURUS:
+		pmu_entry = create_pmu_entry(adev, AMDGPU_PMU_PERF_TYPE_ALL,
+						"", "amdgpu");
+		if (!pmu_entry)
+			return -ENOMEM;
+
+		ret = init_pmu_entry_by_type_and_add(pmu_entry,
+							&arcturus_config);
+
+		if (ret) {
+			kfree(pmu_entry);
+			return -ENOMEM;
+		}
+
+		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