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drm/amdgpu: move VM BOs on LRU again 

Move all BOs belonging to a VM on the LRU with every submission.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Christian König 2018-04-19 15:01:12 +02:00 committed by Alex Deucher
parent 862b8c5762
commit 806f043f02
2 changed files with 26 additions and 5 deletions
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28
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -251,6 +251,19 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
}
}
spin_lock(&glob->lru_lock);
list_for_each_entry(bo_base, &vm->idle, vm_status) {
struct amdgpu_bo *bo = bo_base->bo;
if (!bo->parent)
continue;
ttm_bo_move_to_lru_tail(&bo->tbo);
if (bo->shadow)
ttm_bo_move_to_lru_tail(&bo->shadow->tbo);
}
spin_unlock(&glob->lru_lock);
return r;
}
@ -965,7 +978,7 @@ restart:
struct amdgpu_vm_bo_base,
vm_status);
bo_base->moved = false;
list_del_init(&bo_base->vm_status);
list_move(&bo_base->vm_status, &vm->idle);
bo = bo_base->bo->parent;
if (!bo)
@ -1571,10 +1584,14 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
* the evicted list so that it gets validated again on the
* next command submission.
*/
if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv &&
!(bo->preferred_domains &
amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type)))
list_add_tail(&bo_va->base.vm_status, &vm->evicted);
if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv) {
uint32_t mem_type = bo->tbo.mem.mem_type;
if (!(bo->preferred_domains & amdgpu_mem_type_to_domain(mem_type)))
list_add_tail(&bo_va->base.vm_status, &vm->evicted);
else
list_add(&bo_va->base.vm_status, &vm->idle);
}
list_splice_init(&bo_va->invalids, &bo_va->valids);
bo_va->cleared = clear;
@ -2368,6 +2385,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
INIT_LIST_HEAD(&vm->relocated);
spin_lock_init(&vm->moved_lock);
INIT_LIST_HEAD(&vm->moved);
INIT_LIST_HEAD(&vm->idle);
INIT_LIST_HEAD(&vm->freed);
/* create scheduler entity for page table updates */

3
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
View File

@ -178,6 +178,9 @@ struct amdgpu_vm {
struct list_head moved;
spinlock_t moved_lock;
/* All BOs of this VM not currently in the state machine */
struct list_head idle;
/* BO mappings freed, but not yet updated in the PT */
struct list_head freed;