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From: Daniel Vetter <daniel@ffwll.ch>
To: Chris Wilson <chris@chris-wilson.co.uk>,
	ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/3] drm/i915: Don't frob with RPS around GPU reset
Date: Tue, 24 May 2016 10:24:58 +0200	[thread overview]
Message-ID: <20160524082458.GO27098@phenom.ffwll.local> (raw)
In-Reply-To: <20160523143240.GB21759@nuc-i3427.alporthouse.com>

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@linux.intel.com wrote:
> > From: Ville Syrjälä <ville.syrjala@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@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
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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  reply	other threads:[~2016-05-24  8:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-23 14:09 [PATCH 1/3] drm/i915: Never fully mask the the EI up rps interrupt on SNB/IVB ville.syrjala
2016-05-23 14:09 ` [PATCH 2/3] drm/i915: Don't frob with RPS around GPU reset ville.syrjala
2016-05-23 14:32   ` Chris Wilson
2016-05-24  8:24     ` Daniel Vetter [this message]
2016-05-24  8:36       ` Chris Wilson
2016-05-23 14:09 ` [RFC][PATCH 3/3] drm/i915: Make RPS enable immediate ville.syrjala
2016-05-23 14:33   ` Chris Wilson
2016-05-24  8:27   ` Daniel Vetter
2016-05-24 10:14     ` Ville Syrjälä
2016-05-24 10:43       ` Chris Wilson
2016-05-23 14:30 ` [PATCH 1/3] drm/i915: Never fully mask the the EI up rps interrupt on SNB/IVB Chris Wilson
2016-05-23 14:34   ` Ville Syrjälä
2016-05-23 14:42 ` [PATCH v2 " ville.syrjala
2016-05-23 16:29 ` ✗ Ro.CI.BAT: warning for series starting with [v2,1/3] drm/i915: Never fully mask the the EI up rps interrupt on SNB/IVB (rev2) Patchwork

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