Re: Question about LR context on VCS

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On Thu, Jan 07, 2016 at 05:35:13AM +0000, Gong, Zhipeng wrote:
> Hello
> 
> Intel MOCS/WA registers got initialized when LR context of RCS ring is created.
> When one context uses only VCS ring and LR context of RCS ring is not created, 
> what will the value of Intel MOCS/WA registers be? Undefined?

Even submitting a RCS batch first is no guarrantee that
rcs_init_context() would be executed by the GPU before your VCS batch.

Yes, it is a known hole.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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