Re: [PATCH] drm/i915/oa: Check that OA is disabled before unpinning

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Quoting Lionel Landwerlin (2018-05-11 17:10:49)
> On 11/05/18 15:11, Lionel Landwerlin wrote:
> > On 11/05/18 14:52, Chris Wilson wrote:
> >> Before we unpin the buffer used for OA reports and return it to the
> >> system, we need to be sure that the HW has finished writing into it.
> >> For lack of a better idea, poll OACONTROL to check it is switched off.
> >>
> >> References: https://bugs.freedesktop.org/show_bug.cgi?id=106379
> >> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> >> Cc: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
> >> Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
> >
> > Sounds fair :
> >
> > Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
> 
> Tested-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>

Thanks for the review and testing, with luck we will get a CI + KASAN
run over the w/e which will put the matter to rest. Pushed,
-Chris
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