drm/amdgpu: sync fence of clear_invalids (v2)

bo_va may un-initialized, fix it.

Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 8eb5c55..6c8c24b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -2268,7 +2268,7 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
 int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
                                struct amdgpu_vm *vm);
 int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
-                               struct amdgpu_vm *vm);
+                               struct amdgpu_vm *vm, struct amdgpu_sync *sync);
 int amdgpu_vm_bo_update(struct amdgpu_device *adev,
                        struct amdgpu_bo_va *bo_va,
                        struct ttm_mem_reg *mem);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index ecb30a1..fefa48a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -520,7 +520,7 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p,
 
                amdgpu_sync_fence(&p->ibs[0].sync, bo_va->last_pt_update);
        }
-       return amdgpu_vm_clear_invalids(adev, vm);
+       return amdgpu_vm_clear_invalids(adev, vm, &p->ibs[0].sync);
 }
 
 static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index dcb2d38..4d26b30 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -858,9 +858,9 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
  * PTs have to be reserved and mutex must be locked!
  */
 int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
-                            struct amdgpu_vm *vm)
+                            struct amdgpu_vm *vm, struct amdgpu_sync *sync)
 {
-       struct amdgpu_bo_va *bo_va;
+       struct amdgpu_bo_va *bo_va = NULL;
        int r;
 
        spin_lock(&vm->status_lock);
@@ -877,6 +877,8 @@ int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
        }
        spin_unlock(&vm->status_lock);
 
+       if (bo_va)
+               amdgpu_sync_fence(sync, bo_va->last_pt_update);
        return 0;
 }