[Intel-gfx] [PATCH] drm/i915: use a separate context for gpu relocs

[Daniele Ceraolo Spurio]

On 8/26/19 11:10 AM, Chris Wilson wrote:
> Quoting Daniele Ceraolo Spurio (2019-08-26 18:56:53)
>>
>>
>> On 8/24/2019 1:54 AM, Chris Wilson wrote:
>>> Note that this requires us to fix the tagging so that we don't perform a
>>> lite-restore from the reloc instance to the user instance.
>>
>> What's wrong with lite-restoring in this case? It's not something we
>> stop now AFAICS.
> 
> I have patches to fix the regression. But the question is whether or not
> the pre-parser is happy to cross the lite-restore boundary. If it is a
> light lite-restore and there is no cache invalidation...
> -Chris
> 

On pre-gen12 the parser doesn't cross the BB_START, so we're safe from 
that POV.

Daniele