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drm/amdkfd: kfd expose the hive_id of the device through its node properties 

Thunk will generate the XGMI topology information when necessary with the hive_id
for each specified device

Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shaoyun Liu 2018-07-06 11:32:42 -04:00 committed by Alex Deucher
parent db8b62c04b
commit 0c1690e38b
4 changed files with 11 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdkfd/kfd_device.c
View File

@ -476,6 +476,9 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
goto kfd_doorbell_error;
}
if (kfd->kfd2kgd->get_hive_id)
kfd->hive_id = kfd->kfd2kgd->get_hive_id(kfd->kgd);
if (kfd_topology_add_device(kfd)) {
dev_err(kfd_device, "Error adding device to topology\n");
goto kfd_topology_add_device_error;

3
drivers/gpu/drm/amd/amdkfd/kfd_priv.h
View File

@ -254,6 +254,9 @@ struct kfd_dev {
bool cwsr_enabled;
const void *cwsr_isa;
unsigned int cwsr_isa_size;
/* xGMI */
uint64_t hive_id;
};
/* KGD2KFD callbacks */

4
drivers/gpu/drm/amd/amdkfd/kfd_topology.c
View File

@ -443,6 +443,8 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
dev->node_props.location_id);
sysfs_show_32bit_prop(buffer, "drm_render_minor",
dev->node_props.drm_render_minor);
sysfs_show_64bit_prop(buffer, "hive_id",
dev->node_props.hive_id);
if (dev->gpu) {
log_max_watch_addr =
@ -1219,6 +1221,8 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
dev->node_props.drm_render_minor =
gpu->shared_resources.drm_render_minor;
dev->node_props.hive_id = gpu->hive_id;
kfd_fill_mem_clk_max_info(dev);
kfd_fill_iolink_non_crat_info(dev);

1
drivers/gpu/drm/amd/amdkfd/kfd_topology.h
View File

@ -49,6 +49,7 @@
#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000
struct kfd_node_properties {
uint64_t hive_id;
uint32_t cpu_cores_count;
uint32_t simd_count;
uint32_t mem_banks_count;