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drm/amdgpu: handle multi level PD in the LRU

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Move all levels to the end after command submission.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-10-13 10:20:53 +02:00 committed by Alex Deucher
parent 670fecc876
commit d711e1398d
1 changed files with 27 additions and 9 deletions
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36
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -200,6 +200,32 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
return amdgpu_vm_validate_level(&vm->root, validate, param);
}
/**
* amdgpu_vm_move_level_in_lru - move one level of PT BOs to the LRU tail
*
* @adev: amdgpu device instance
* @vm: vm providing the BOs
*
* Move the PT BOs to the tail of the LRU.
*/
static void amdgpu_vm_move_level_in_lru(struct amdgpu_vm_pt *parent)
{
unsigned i;
if (!parent->entries)
return;
for (i = 0; i <= parent->last_entry_used; ++i) {
struct amdgpu_vm_pt *entry = &parent->entries[i];
if (!entry->bo)
continue;
ttm_bo_move_to_lru_tail(&entry->bo->tbo);
amdgpu_vm_move_level_in_lru(entry);
}
}
/**
* amdgpu_vm_move_pt_bos_in_lru - move the PT BOs to the LRU tail
*
@ -212,17 +238,9 @@ void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device *adev,
struct amdgpu_vm *vm)
{
struct ttm_bo_global *glob = adev->mman.bdev.glob;
unsigned i;
spin_lock(&glob->lru_lock);
for (i = 0; i <= vm->root.last_entry_used; ++i) {
struct amdgpu_bo *bo = vm->root.entries[i].bo;
if (!bo)
continue;
ttm_bo_move_to_lru_tail(&bo->tbo);
}
amdgpu_vm_move_level_in_lru(&vm->root);
spin_unlock(&glob->lru_lock);
}