[igt-dev] [PATCH i-g-t 0/7] Prepare IGTs to allow only zero alignment

Dixit, Ashutosh ashutosh.dixit at intel.com
Thu Oct 14 15:28:30 UTC 2021


On Thu, 14 Oct 2021 01:19:10 -0700, Zbigniew Kempczyński wrote:
>
> In the future we're planning to allow passing only zero alignment so
> this is preparation step to introduce check and disable or fix
> igts which uses this constraint.
>
> v2: rename to gem_allows_obj_alignment() (Ashutosh)
>     addressing review comments from Ashutosh
>

For patches 1 through 6:

Reviewed-by: Ashutosh Dixit <ashutosh.dixit at intel.com>

For patch 7, I think the point below from my earlier email is still
unaddressed:

> So assigning a new offset will cause a new fault-in (bind) but not sure if
> it will cause an actual fault-out (unbind). Though I am not sure if there
> is actually a way to force it to happen if this doesn't work? Is there a
> way to verify that the unbind is actually happening?

Maybe if assign the same offset to a different object/page that will cause
a fault-out (unbind) followed by a fault-in (bind).


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