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drm/amdkfd: Adjust weight to represent num_hops info when report xgmi iolink 

Upper level runtime need the xgmi hops info to determine the data path

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
shaoyunl 2019-04-17 14:34:07 -04:00 committed by Alex Deucher
parent da361dd13f
commit 0fb0df031a
2 changed files with 7 additions and 3 deletions
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7
drivers/gpu/drm/amd/amdkfd/kfd_crat.c
View File

@ -372,7 +372,7 @@ static int kfd_parse_subtype_iolink(struct crat_subtype_iolink *iolink,
if (props->iolink_type == CRAT_IOLINK_TYPE_PCIEXPRESS)
props->weight = 20;
else if (props->iolink_type == CRAT_IOLINK_TYPE_XGMI)
props->weight = 15;
props->weight = 15 * iolink->num_hops_xgmi;
else
props->weight = node_distance(id_from, id_to);
@ -1092,6 +1092,7 @@ static int kfd_fill_gpu_direct_io_link_to_cpu(int *avail_size,
static int kfd_fill_gpu_xgmi_link_to_gpu(int *avail_size,
struct kfd_dev *kdev,
struct kfd_dev *peer_kdev,
struct crat_subtype_iolink *sub_type_hdr,
uint32_t proximity_domain_from,
uint32_t proximity_domain_to)
@ -1110,6 +1111,8 @@ static int kfd_fill_gpu_xgmi_link_to_gpu(int *avail_size,
sub_type_hdr->io_interface_type = CRAT_IOLINK_TYPE_XGMI;
sub_type_hdr->proximity_domain_from = proximity_domain_from;
sub_type_hdr->proximity_domain_to = proximity_domain_to;
sub_type_hdr->num_hops_xgmi =
amdgpu_amdkfd_get_xgmi_hops_count(kdev->kgd, peer_kdev->kgd);
return 0;
}
@ -1287,7 +1290,7 @@ static int kfd_create_vcrat_image_gpu(void *pcrat_image,
(char *)sub_type_hdr +
sizeof(struct crat_subtype_iolink));
ret = kfd_fill_gpu_xgmi_link_to_gpu(
&avail_size, kdev,
&avail_size, kdev, peer_dev->gpu,
(struct crat_subtype_iolink *)sub_type_hdr,
proximity_domain, nid);
if (ret < 0)

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

@ -274,7 +274,8 @@ struct crat_subtype_iolink {
uint32_t minimum_bandwidth_mbs;
uint32_t maximum_bandwidth_mbs;
uint32_t recommended_transfer_size;
uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH];
uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH - 1];
uint8_t num_hops_xgmi;
};
/*