diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 63f6e46bd642..f20b572d2438 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -3197,11 +3197,20 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, unsigned int pasid, flags = AMDGPU_PTE_VALID | AMDGPU_PTE_SNOOPED | AMDGPU_PTE_SYSTEM; - if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_NEVER) { + if (vm->is_compute_context) { + /* Intentionally setting invalid PTE flag + * combination to force a no-retry-fault + */ + flags = AMDGPU_PTE_EXECUTABLE | AMDGPU_PDE_PTE | + AMDGPU_PTE_TF; + value = 0; + + } else if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_NEVER) { /* Redirect the access to the dummy page */ value = adev->dummy_page_addr; flags |= AMDGPU_PTE_EXECUTABLE | AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE; + } else { /* Let the hw retry silently on the PTE */ value = 0; |