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drm/radeon: separate pt alloc from lru add

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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>
This commit is contained in:
Christian König 2012-10-09 13:31:19 +02:00 • committed by Alex Deucher
parent d72d43cfc5
commit 13e55c38f8
3 changed files with 18 additions and 4 deletions
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20
drivers/gpu/drm/radeon/radeon_gart.c
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@ -617,9 +617,6 @@ int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm)
}
if (vm->page_directory != NULL) {
/* update lru */
list_del_init(&vm->list);
list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
return 0;
}
@ -653,10 +650,25 @@ retry:
return -ENOMEM;
}
list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
return 0;
}
/**
* radeon_vm_add_to_lru - add VMs page table to LRU list
*
* @rdev: radeon_device pointer
* @vm: vm to add to LRU
*
* Add the allocated page table to the LRU list (cayman+).
*
* Global mutex must be locked!
*/
void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm)
{
list_del_init(&vm->list);
list_add_tail(&vm->list, &rdev->vm_manager.lru_vm);
}
/**
* radeon_vm_grab_id - allocate the next free VMID
*