diff options
author | Philip Yang <Philip.Yang@amd.com> | 2023-02-02 19:07:53 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 17:36:30 +0300 |
commit | dc12f9eddedb8b41f4dc948e5e636e5221fb4d43 (patch) | |
tree | 704d7b42d7ca0dcb42bb35e806fdb0c3fa8c0c9d /drivers/gpu/drm/amd/amdkfd/kfd_svm.c | |
parent | 7f6db89418f9d26eb68e050ff16de8e9827011ca (diff) | |
download | linux-dc12f9eddedb8b41f4dc948e5e636e5221fb4d43.tar.xz |
drm/amdkfd: Update MTYPE for far memory partition
Use MTYPE RW/MTYPE_CC for mapping system memory or VRAM to KFD node
within the same memory partition, use MTYPE_NC for mapping on KFD node
from the far memory partition of the same socket or from another socket
on same XGMI hive.
On NPS4 or 4P system, MTYPE will be overridden per page depending on
the memory NUMA node id and vm->mem_id.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 62aa7fb2eaa5..a700d9ccd054 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1203,8 +1203,8 @@ svm_range_get_pte_flags(struct kfd_node *node, mapping_flags |= AMDGPU_VM_MTYPE_UC; } else if (domain == SVM_RANGE_VRAM_DOMAIN) { /* local HBM region close to partition */ - if (bo_node->adev == node->adev /* TODO: memory partitions && - bo_node->mem_id == node->mem_id*/) + if (bo_node->adev == node->adev && + (!bo_node->xcp || !node->xcp || bo_node->xcp->mem_id == node->xcp->mem_id)) mapping_flags |= mtype_local; /* local HBM region far from partition or remote XGMI GPU */ else if (svm_nodes_in_same_hive(bo_node, node)) @@ -1358,8 +1358,9 @@ svm_range_map_to_gpu(struct kfd_process_device *pdd, struct svm_range *prange, (last_domain == SVM_RANGE_VRAM_DOMAIN) ? 1 : 0, pte_flags); - /* TODO: we still need to determine the vm_manager.vram_base_offset based on - * the memory partition. + /* For dGPU mode, we use same vm_manager to allocate VRAM for + * different memory partition based on fpfn/lpfn, we should use + * same vm_manager.vram_base_offset regardless memory partition. */ r = amdgpu_vm_update_range(adev, vm, false, false, flush_tlb, NULL, last_start, prange->start + i, |