[Intel-gfx] [PATCH 2/3] drm/i915: Don't frob with RPS around GPU reset

[Daniel Vetter]

On Mon, May 23, 2016 at 03:32:40PM +0100, Chris Wilson wrote:
> On Mon, May 23, 2016 at 05:09:42PM +0300, ville.syrjala at linux.intel.com wrote:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > 
> > Based on my observations GPU reset doesn't clobber the RPS state, so
> > frobbing with RPS around GPU reset seems rather pointless. Just get
> > rid of it.
> > 
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Testcase: igt/pm_rpm/reset ?

pm_rps&rc6_residency seem more appropriate. pm_rpm just outright yanks the
power cable for the GT. Unfortunately those 2 tests aren't particularly
nasty ...
-Daniel

> 
> Looks like that is the desired test.
> 
> Maybe make it basic and see what CI says :)
> 
> Actually it probably should be a basic test considering how often we
> hang.
> -Chris
> 
> -- 
> Chris Wilson, Intel Open Source Technology Centre
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch