Don't update the fault cache if status is 0. In the multiple fault case, subsequent faults will return a 0 status which is useless for userspace and replaces the useful fault status, so only update if status is non-0. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 4058ed49e5a6..afc19341334f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2753,7 +2753,12 @@ void amdgpu_vm_update_fault_cache(struct amdgpu_device *adev, xa_lock_irqsave(&adev->vm_manager.pasids, flags); vm = xa_load(&adev->vm_manager.pasids, pasid); - if (vm) { + /* Don't update the fault cache if status is 0. In the multiple + * fault case, subsequent faults will return a 0 status which is + * useless for userspace and replaces the useful fault status, so + * only update if status is non-0. + */ + if (vm && status) { vm->fault_info.addr = addr; vm->fault_info.status = status; if (AMDGPU_IS_GFXHUB(vmhub)) { -- 2.41.0