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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c59
1 files changed, 8 insertions, 51 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index ba72a910d0d5..c5c9bfa2772e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -405,63 +405,15 @@ static int vm_update_pds(struct amdgpu_vm *vm, struct amdgpu_sync *sync)
static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem)
{
- struct amdgpu_device *bo_adev = amdgpu_ttm_adev(mem->bo->tbo.bdev);
- bool coherent = mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_COHERENT;
- bool uncached = mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED;
- uint32_t mapping_flags;
- uint64_t pte_flags;
- bool snoop = false;
+ uint32_t mapping_flags = AMDGPU_VM_PAGE_READABLE |
+ AMDGPU_VM_MTYPE_DEFAULT;
- mapping_flags = AMDGPU_VM_PAGE_READABLE;
if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE)
mapping_flags |= AMDGPU_VM_PAGE_WRITEABLE;
if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE)
mapping_flags |= AMDGPU_VM_PAGE_EXECUTABLE;
- switch (adev->ip_versions[GC_HWIP][0]) {
- case IP_VERSION(9, 4, 1):
- case IP_VERSION(9, 4, 2):
- if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
- if (bo_adev == adev) {
- if (uncached)
- mapping_flags |= AMDGPU_VM_MTYPE_UC;
- else if (coherent)
- mapping_flags |= AMDGPU_VM_MTYPE_CC;
- else
- mapping_flags |= AMDGPU_VM_MTYPE_RW;
- if ((adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) &&
- adev->gmc.xgmi.connected_to_cpu)
- snoop = true;
- } else {
- if (uncached || coherent)
- mapping_flags |= AMDGPU_VM_MTYPE_UC;
- else
- mapping_flags |= AMDGPU_VM_MTYPE_NC;
- if (amdgpu_xgmi_same_hive(adev, bo_adev))
- snoop = true;
- }
- } else {
- if (uncached || coherent)
- mapping_flags |= AMDGPU_VM_MTYPE_UC;
- else
- mapping_flags |= AMDGPU_VM_MTYPE_NC;
- snoop = true;
- }
- break;
- default:
- if (uncached || coherent)
- mapping_flags |= AMDGPU_VM_MTYPE_UC;
- else
- mapping_flags |= AMDGPU_VM_MTYPE_NC;
-
- if (!(mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM))
- snoop = true;
- }
-
- pte_flags = amdgpu_gem_va_map_flags(adev, mapping_flags);
- pte_flags |= snoop ? AMDGPU_PTE_SNOOPED : 0;
-
- return pte_flags;
+ return amdgpu_gem_va_map_flags(adev, mapping_flags);
}
/**
@@ -1673,6 +1625,11 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
}
}
+ if (flags & KFD_IOC_ALLOC_MEM_FLAGS_COHERENT)
+ alloc_flags |= AMDGPU_GEM_CREATE_COHERENT;
+ if (flags & KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED)
+ alloc_flags |= AMDGPU_GEM_CREATE_UNCACHED;
+
*mem = kzalloc(sizeof(struct kgd_mem), GFP_KERNEL);
if (!*mem) {
ret = -ENOMEM;