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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>
This commit is contained in:
monk.liu 2015-05-26 15:01:54 +08:00 committed by Alex Deucher
parent 3d5a08c114
commit cfe2c97807
3 changed files with 6 additions and 4 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -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);

2
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -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,

6
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -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;
}