[Intel-gfx] [PATCH i-g-t] tests/gem_workarounds: reduce scope of intel_register_access_init

Matthew Auld matthew.william.auld at gmail.com
Thu Jun 9 15:02:26 UTC 2016


Well, at least for me having the global forcewake produces a kernel
warning during the suspend-resume test case.

On 9 June 2016 at 15:53, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Thu, Jun 09, 2016 at 03:33:47PM +0100, Matthew Auld wrote:
>> We shouldn't be holding the forcewake whilst going through suspend-resume
>> cycle
>
> Why not? That's legal behaviour, the kernel should be restoring the user
> forcewake setting and there should be igt for that already - otherwise
> we have some rather scary code in intel_uncore.c that isn't being
> exercised.
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
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