[PATCH 1/2] drm/amdkfd: expose num_sdma_queues_per_engine data field to topology node

[Huang Rui]

Thunk driver would like to know the num_sdma_queues_per_engine data, however
this data relied on different asic specific. So it's better to get it from kfd
driver.

Signed-off-by: Huang Rui <ray.huang at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 ++++
 drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 69bd062..cc01ccd 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -486,6 +486,8 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
 			dev->node_props.num_sdma_engines);
 	sysfs_show_32bit_prop(buffer, "num_sdma_xgmi_engines",
 			dev->node_props.num_sdma_xgmi_engines);
+	sysfs_show_32bit_prop(buffer, "num_sdma_queues_per_engine",
+			dev->node_props.num_sdma_queues_per_engine);
 
 	if (dev->gpu) {
 		log_max_watch_addr =
@@ -1309,6 +1311,8 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
 	dev->node_props.num_sdma_engines = gpu->device_info->num_sdma_engines;
 	dev->node_props.num_sdma_xgmi_engines =
 				gpu->device_info->num_xgmi_sdma_engines;
+	dev->node_props.num_sdma_queues_per_engine =
+				gpu->device_info->num_sdma_queues_per_engine;
 	dev->node_props.num_gws = (hws_gws_support &&
 		dev->gpu->dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS) ?
 		amdgpu_amdkfd_get_num_gws(dev->gpu->kgd) : 0;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
index 15843e0..9346cc1 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
@@ -27,7 +27,7 @@
 #include <linux/list.h>
 #include "kfd_crat.h"
 
-#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
+#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 28
 
 #define HSA_CAP_HOT_PLUGGABLE			0x00000001
 #define HSA_CAP_ATS_PRESENT			0x00000002
@@ -81,6 +81,7 @@ struct kfd_node_properties {
 	int32_t  drm_render_minor;
 	uint32_t num_sdma_engines;
 	uint32_t num_sdma_xgmi_engines;
+	uint32_t num_sdma_queues_per_engine;
 	char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
 };
 
-- 
2.7.4