diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index ae5660861133..9a1952114e5b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1189,7 +1189,8 @@ svm_range_get_pte_flags(struct kfd_node *node, uint32_t mapping_flags = 0; uint64_t pte_flags; bool snoop = (domain != SVM_RANGE_VRAM_DOMAIN); - bool coherent = flags & KFD_IOCTL_SVM_FLAG_COHERENT; + bool coherent = flags & (KFD_IOCTL_SVM_FLAG_COHERENT | KFD_IOCTL_SVM_FLAG_EXT_COHERENT); + bool ext_coherent = flags & KFD_IOCTL_SVM_FLAG_EXT_COHERENT; bool uncached = false; /*flags & KFD_IOCTL_SVM_FLAG_UNCACHED;*/ unsigned int mtype_local; @@ -1237,6 +1238,13 @@ svm_range_get_pte_flags(struct kfd_node *node, snoop = true; if (uncached) { mapping_flags |= AMDGPU_VM_MTYPE_UC; + } else if (ext_coherent) { + /* local HBM region close to partition */ + if (bo_node->adev == node->adev && + (!bo_node->xcp || !node->xcp || bo_node->xcp->mem_id == node->xcp->mem_id)) + mapping_flags |= AMDGPU_VM_MTYPE_CC; + else + 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 && |