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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 5638c16887d8..24879cf3da9b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -992,10 +992,6 @@ static void amdgpu_vm_cpu_set_ptes(struct amdgpu_pte_update_params *params,
i, value, flags);
addr += incr;
}
-
- /* Flush HDP */
- mb();
- amdgpu_gart_flush_gpu_tlb(params->adev, 0);
}
static int amdgpu_vm_wait_pd(struct amdgpu_device *adev, struct amdgpu_vm *vm,
@@ -1238,6 +1234,12 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev,
if (r)
amdgpu_vm_invalidate_level(&vm->root);
+ if (vm->use_cpu_for_update) {
+ /* Flush HDP */
+ mb();
+ amdgpu_gart_flush_gpu_tlb(adev, 0);
+ }
+
return r;
}
@@ -1745,6 +1747,12 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
list_add(&bo_va->vm_status, &vm->cleared);
spin_unlock(&vm->status_lock);
+ if (vm->use_cpu_for_update) {
+ /* Flush HDP */
+ mb();
+ amdgpu_gart_flush_gpu_tlb(adev, 0);
+ }
+
return 0;
}