Change-Id: I4ee2abf1ddf5c0fe59c5803da51e99bb57388d05
Signed-off-by: Chunming Zhou <david1.z...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 25 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 9 +++++++++
3 files changed, 38 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index dfd22db13fb1..0bbb1dfdceff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1279,6 +1279,10 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
.invalidate_caches = &amdgpu_invalidate_caches,
.init_mem_type = &amdgpu_init_mem_type,
.eviction_valuable = amdgpu_ttm_bo_eviction_valuable,
+ .get_evictable_bo = &amdgpu_vm_get_evictable_bo,
+ .add_to_lru = &amdgpu_vm_add_to_lru,
+ .del_from_lru = &amdgpu_vm_del_from_lru,
+ .move_to_lru_tail = &amdgpu_vm_move_to_lru_tail,
.evict_flags = &amdgpu_evict_flags,
.move = &amdgpu_bo_move,
.verify_access = &amdgpu_verify_access,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 8e71d3984016..cc6093233ae7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -124,6 +124,31 @@ static void amdgpu_vm_bo_base_init(struct
amdgpu_vm_bo_base *base,
spin_unlock(&vm->status_lock);
}
+struct ttm_buffer_object *amdgpu_vm_get_evictable_bo(struct ttm_bo_device
*bdev,
+ uint32_t mem_type,
+ const struct ttm_place
*place,
+ struct ttm_operation_ctx
*ctx,
+ bool *locked)
+{
+
+}
+
+void amdgpu_vm_add_to_lru(struct ttm_buffer_object *bo)
+{
+
+}
+
+void amdgpu_vm_del_from_lru(struct ttm_buffer_object *bo)
+{
+
+}
+
+void amdgpu_vm_move_to_lru_tail(struct ttm_buffer_object *bo)
+{
+
+}
+
+
/**
* amdgpu_vm_level_shift - return the addr shift for each level
*
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 30f080364c97..0c965683faba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -256,6 +256,15 @@ struct amdgpu_vm_manager {
spinlock_t pasid_lock;
};
+struct ttm_buffer_object *amdgpu_vm_get_evictable_bo(struct ttm_bo_device
*bdev,
+ uint32_t mem_type,
+ const struct ttm_place
*place,
+ struct ttm_operation_ctx
*ctx,
+ bool *locked);
+void amdgpu_vm_add_to_lru(struct ttm_buffer_object *bo);
+void amdgpu_vm_del_from_lru(struct ttm_buffer_object *bo);
+void amdgpu_vm_move_to_lru_tail(struct ttm_buffer_object *bo);
+
void amdgpu_vm_manager_init(struct amdgpu_device *adev);
void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
--
2.14.1
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