[Intel-gfx] Hibernation test

[Imre Deak]

On ke, 2015-02-18 at 18:43 +0200, Imre Deak wrote:
> On ke, 2015-02-11 at 16:46 +0200, David Weinehall wrote:
> > intel-gpu-tools currently has a bunch of tests for suspend,
> > but currently none (that I could find) for hibernate.
> > 
> > Attached is a rudimentary patch to add said test.  It does so
> > by repurposing the drv_suspend driver to handle both suspend
> > and hibernate, since the difference is miniscule.
> > 
> > I decided to split the suspend/autoresume functions in
> > igt_aux.c though, to be able to leave the igt_system_uspend_autoresume()
> > function unchanged (the other option would be to
> > introduce a boolean function argument and have that
> > decide what parameters to pass to rtcwake).
> > 
> > The timeout passed to rtcwake probably needs tuning (it might
> > even need to be dynamically adjusted, since the time hibernation takes
> > varies wildly depending on the amount of non-cache memory in use).
> 
> I think in general we should try to keep the existing subtest names, but
> I couldn't find any concrete problem changing them in this case. The
> patch looks ok to me (please inline the patch next time):
> Reviewed-by: Imre Deak <imre.deak at intel.com>

Thanks for the patch, I pushed it to igt.

--Imre