[Bug 57934] [IVB, SNB, HSW]I-G-T/gem_cacheing && gem_cpu_concurrent_blit failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57934

--- Comment #6 from shui yangwei <yangweix.shui at intel.com> ---
(In reply to comment #5)
> See https://patchwork.kernel.org/patch/1844941/

I can't patch below in your given patch. which branch could I attach this
patch? 

>>@@ -628,7 +634,7 @@  gen6_ring_sync(struct intel_ring_buffer *waiter,
>> 	BUG_ON(!waiter->outstanding_lazy_request);
>> 
>> 	/* If seqno wrap happened, omit the wait with no-ops */
>>-	if (likely(waiter->outstanding_lazy_request > seqno)) {
>>+	if (likely(i915_gem_next_seqno(waiter->dev) > seqno)) {
>> 		intel_ring_emit(waiter,
>> 				dw1 |
>> 				signaller->semaphore_register[waiter->id]);

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