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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [IVB, SNB, HSW]I-G-T/gem_cacheing && gem_cpu_concurrent_blit failed"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=57934#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [IVB, SNB, HSW]I-G-T/gem_cacheing && gem_cpu_concurrent_blit failed"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=57934">bug 57934</a>
              from <span class="vcard"><a class="email" href="mailto:yangweix.shui@intel.com" title="shui yangwei <yangweix.shui@intel.com>"> <span class="fn">shui yangwei</span></a>
</span></b>
        <pre>(In reply to <a href="show_bug.cgi?id=57934#c5">comment #5</a>)
<span class="quote">> See <a href="https://patchwork.kernel.org/patch/1844941/">https://patchwork.kernel.org/patch/1844941/</a></span >

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

<span class="quote">>>@@ -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]);</span ></pre>
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