switch (adev->asic_type) {
case CHIP_ARCTURUS:
- if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
- if (bo_adev == adev)
- mapping_flags |= coherent ?
- AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW;
- else
- mapping_flags |= coherent ?
- AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC;
- } else {
- mapping_flags |= coherent ?
- AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC;
- }
- break;
case CHIP_ALDEBARAN:
- if (coherent && uncached) {
- if (adev->gmc.xgmi.connected_to_cpu ||
- !(mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM))
- snoop = true;
- mapping_flags |= AMDGPU_VM_MTYPE_UC;
- } else if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
+ if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
if (bo_adev == adev) {
- mapping_flags |= coherent ?
- AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW;
- if (adev->gmc.xgmi.connected_to_cpu)
+ 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->asic_type == CHIP_ALDEBARAN &&
+ adev->gmc.xgmi.connected_to_cpu)
snoop = true;
} else {
- mapping_flags |= coherent ?
- AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC;
+ 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;
- mapping_flags |= coherent ?
- AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC;
}
break;
default:
- mapping_flags |= coherent ?
- AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC;
+ 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);