1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 0af090667dfc..d68f39b4e5e7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -165,8 +165,11 @@ struct amdgpu_vm {
         /* Flag to indicate ATS support from PTE for GFX9 */
         bool                    pte_support_ats;
 
-        /* Up to 128 pending page faults */
+        /* Up to 128 pending retry page faults */
         DECLARE_KFIFO(faults, u64, 128);
+
+        /* Limit non-retry fault storms */
+        unsigned int            fault_credit;
 };
 
 struct amdgpu_vm_id {
@@ -244,6 +247,8 @@ void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
 int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
                    int vm_context, unsigned int pasid);
 void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
+bool amdgpu_vm_pasid_fault_credit(struct amdgpu_device *adev,
+                                  unsigned int pasid);
 void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
                          struct list_head *validated,
                          struct amdgpu_bo_list_entry *entry);