Am 11.01.19 um 15:17 schrieb Michel Dänzer:
On 2019-01-11 2:15 p.m., Christian König wrote:
Move the BO on the LRU only when it is actually moved by a DMA
operation.
[...]
@@ -177,6 +175,13 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
ret = VM_FAULT_SIGBUS;
goto out_unlock;
}
+
+ if (bo->moving != moving) {
Hmm, could a driver just update the existing fence instead of attaching
a new one?
Mhm, not as far as I know. That would violate similar checks elsewhere.
Christian.
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