diff options
| author | shaoyunl <shaoyun.liu@amd.com> | 2019-04-17 14:34:07 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:20:48 -0500 |
| commit | 0fb0df031acdb6f17603cb32be13a2d1a858e249 (patch) | |
| tree | a57fe75ce53037b48bbc7f56772c2b8108bb3ea9 | |
| parent | da361dd13f4fb766445f55bbd2eec36c73a9b1bb (diff) | |
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_crat.h | 3 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index 2e7c44955f43..1714900035d7 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -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) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h index 7c3f192fe25f..d54ceebd346b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h @@ -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; }; /* |