Change-Id: I4ee2abf1ddf5c0fe59c5803da51e99bb57388d05 Signed-off-by: Chunming Zhou david1.zhou@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,