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drm/radeon: separate pt alloc from lru add
Make it possible to allocate a persistent page table. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -1851,6 +1851,7 @@ void radeon_vm_manager_fini(struct radeon_device *rdev);
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void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
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void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
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int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm);
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void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm);
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struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
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struct radeon_vm *vm, int ring);
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void radeon_vm_fence(struct radeon_device *rdev,
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@ -478,6 +478,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
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}
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out:
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radeon_vm_add_to_lru(rdev, vm);
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mutex_unlock(&vm->mutex);
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mutex_unlock(&rdev->vm_manager.lock);
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return r;
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@ -617,9 +617,6 @@ int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm)
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}
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if (vm->page_directory != NULL) {
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/* update lru */
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list_del_init(&vm->list);
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list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
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return 0;
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}
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@ -653,10 +650,25 @@ retry:
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return -ENOMEM;
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}
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list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
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return 0;
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}
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/**
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* radeon_vm_add_to_lru - add VMs page table to LRU list
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*
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* @rdev: radeon_device pointer
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* @vm: vm to add to LRU
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*
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* Add the allocated page table to the LRU list (cayman+).
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*
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* Global mutex must be locked!
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*/
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void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm)
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{
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list_del_init(&vm->list);
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list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
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}
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/**
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* radeon_vm_grab_id - allocate the next free VMID
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*
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