On Sat, 16 Jun 2012 17:04:27 +0200, Daniel Vetter <[email protected]> 
wrote:
> On Sat, Jun 16, 2012 at 4:57 PM, Chris Wilson <[email protected]> 
> wrote:
> > On Sat, 16 Jun 2012 16:42:05 +0200, Daniel Vetter <[email protected]> 
> > wrote:
> >> I've added a bit of logic such that running the hangman test on chips
> >> without any hw reset support at all doesn't wedge the gpu because the
> >> reset failed. This relied on checking for non-null stop_rings.
> >> Unfortunately I've botched a rebase somewhere and stop_rings is still
> >> cleared at the old place before the reset code.
> >>
> >> Fix this up so that running the i-g-t tests on gen2/3 doesn't result
> >> in a wedged gpu.
> >
> > dev_priv->stop_rings = 0; is there on both dif and dinq. An unpushed
> > mistake perhaps?
> 
> Well, the hangman got merged for 3.5 and has been broken since then.
> Yeah, shame on me for not noticing earlier :(
> 
> This came about that stop_rings = 0 as removed by this patch was the
> earlier place if reset it. But to not wedge the gpu I need to still
> know whether this is a simulated gpu hang after the reset code ran and
> failed with -ENODEV (indicating the missing reset code). The right
> code is in intel_gpu_reset. I've tested before submitting the patches,
> but somehow managed to slip in the old hunk somehow in a last-minute
> rebase.
> 
> This patch just kills this spurious hunk.

...but this patches adds the existing line...

* confused.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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