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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 3abfa66d72a2..a060c28f0877 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -434,7 +434,7 @@ uint64_t amdgpu_vm_generation(struct amdgpu_device *adev, struct amdgpu_vm *vm)
if (!vm)
return result;
- result += vm->generation;
+ result += lower_32_bits(vm->generation);
/* Add one if the page tables will be re-generated on next CS */
if (drm_sched_entity_error(&vm->delayed))
++result;
@@ -463,13 +463,14 @@ int amdgpu_vm_validate(struct amdgpu_device *adev, struct amdgpu_vm *vm,
int (*validate)(void *p, struct amdgpu_bo *bo),
void *param)
{
+ uint64_t new_vm_generation = amdgpu_vm_generation(adev, vm);
struct amdgpu_vm_bo_base *bo_base;
struct amdgpu_bo *shadow;
struct amdgpu_bo *bo;
int r;
- if (drm_sched_entity_error(&vm->delayed)) {
- ++vm->generation;
+ if (vm->generation != new_vm_generation) {
+ vm->generation = new_vm_generation;
amdgpu_vm_bo_reset_state_machine(vm);
amdgpu_vm_fini_entities(vm);
r = amdgpu_vm_init_entities(adev, vm);
@@ -2439,7 +2440,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
vm->last_update = dma_fence_get_stub();
vm->last_unlocked = dma_fence_get_stub();
vm->last_tlb_flush = dma_fence_get_stub();
- vm->generation = 0;
+ vm->generation = amdgpu_vm_generation(adev, NULL);
mutex_init(&vm->eviction_lock);
vm->evicting = false;