From: shaoyunl Date: Wed, 17 Apr 2019 18:34:07 +0000 (-0400) Subject: drm/amdkfd: Adjust weight to represent num_hops info when report xgmi iolink X-Git-Tag: v5.3-rc1~81^2~25^2~166 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0fb0df031acdb6f17603cb32be13a2d1a858e249;p=users%2Fjedix%2Flinux-maple.git 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 Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- 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; }; /*