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drm/ttm: revise ttm_bo_move_to_lru_tail to support bulk moves

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When move a BO to the end of LRU, it need remember the BO positions.
Make sure all moved bo in between "first" and "last". And they will be bulk
moving together.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-08-06 17:05:30 +08:00
committed by Alex Deucher
parent 8c7655a0fd
commit 9a2779528e
3 changed files with 34 additions and 6 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -297,9 +297,9 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (bo->parent) {
spin_lock(&glob->lru_lock);
ttm_bo_move_to_lru_tail(&bo->tbo);
ttm_bo_move_to_lru_tail(&bo->tbo, NULL);
if (bo->shadow)
ttm_bo_move_to_lru_tail(&bo->shadow->tbo);
ttm_bo_move_to_lru_tail(&bo->shadow->tbo, NULL);
spin_unlock(&glob->lru_lock);
}
@@ -319,9 +319,9 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (!bo->parent)
continue;
ttm_bo_move_to_lru_tail(&bo->tbo);
ttm_bo_move_to_lru_tail(&bo->tbo, NULL);
if (bo->shadow)
ttm_bo_move_to_lru_tail(&bo->shadow->tbo);
ttm_bo_move_to_lru_tail(&bo->shadow->tbo, NULL);
}
spin_unlock(&glob->lru_lock);