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From: Carlos Santa <carlos.santa@intel.com>
To: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
	intel-gfx@lists.freedesktop.org
Cc: Michel Thierry <michel.thierry@intel.com>
Subject: Re: drm/i915: Watchdog timeout: IRQ handler for gen8+
Date: Wed, 23 Jan 2019 16:13:57 -0800	[thread overview]
Message-ID: <1c85bd7308623e9c708cb2edfecd2df39586757e.camel@intel.com> (raw)
In-Reply-To: <e33871bc-ef83-6f29-2f7a-6ab09339140d@linux.intel.com>

On Mon, 2019-01-07 at 11:58 +0000, Tvrtko Ursulin wrote:

[snip]

> > 
> >   
> >   static void gen8_gt_irq_ack(struct drm_i915_private *i915,
> > @@ -3329,7 +3332,7 @@ void i915_handle_error(struct
> > drm_i915_private *dev_priv,
> >   	if (intel_has_reset_engine(dev_priv) &&
> >   	    !i915_terminally_wedged(&dev_priv->gpu_error)) {
> >   		for_each_engine_masked(engine, dev_priv, engine_mask,
> > tmp) {
> > -			BUILD_BUG_ON(I915_RESET_MODESET >=
> > I915_RESET_ENGINE);
> > +			BUILD_BUG_ON(I915_RESET_WATCHDOG >=
> > I915_RESET_ENGINE);
> >   			if (test_and_set_bit(I915_RESET_ENGINE +
> > engine->id,
> >   					     &dev_priv-
> > >gpu_error.flags))
> >   				continue;
> > @@ -4162,12 +4165,15 @@ static void gen8_gt_irq_postinstall(struct
> > drm_i915_private *dev_priv)
> >   	uint32_t gt_interrupts[] = {
> >   		GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT |
> >   			GT_CONTEXT_SWITCH_INTERRUPT <<
> > GEN8_RCS_IRQ_SHIFT |
> > +			GT_GEN8_WATCHDOG_INTERRUPT <<
> > GEN8_RCS_IRQ_SHIFT |
> >   			GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT
> > |
> >   			GT_CONTEXT_SWITCH_INTERRUPT <<
> > GEN8_BCS_IRQ_SHIFT,
> >   		GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT |
> >   			GT_CONTEXT_SWITCH_INTERRUPT <<
> > GEN8_VCS1_IRQ_SHIFT |
> > +			GT_GEN8_WATCHDOG_INTERRUPT <<
> > GEN8_VCS1_IRQ_SHIFT |
> >   			GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT
> > |
> > -			GT_CONTEXT_SWITCH_INTERRUPT <<
> > GEN8_VCS2_IRQ_SHIFT,
> > +			GT_CONTEXT_SWITCH_INTERRUPT <<
> > GEN8_VCS2_IRQ_SHIFT |
> > +			GT_GEN8_WATCHDOG_INTERRUPT <<
> > GEN8_VCS2_IRQ_SHIFT,
> >   		0,
> >   		GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT |
> >   			GT_CONTEXT_SWITCH_INTERRUPT <<
> > GEN8_VECS_IRQ_SHIFT
> > @@ -4176,6 +4182,10 @@ static void gen8_gt_irq_postinstall(struct
> > drm_i915_private *dev_priv)
> >   	if (HAS_L3_DPF(dev_priv))
> >   		gt_interrupts[0] |=
> > GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
> >   
> > +	/* VECS watchdog is only available in skl+ */
> > +	if (INTEL_GEN(dev_priv) >= 9)
> > +		gt_interrupts[3] |= GT_GEN8_WATCHDOG_INTERRUPT;
> 
> Is the shift missing here?
> 

No, the above addresses the interrupts for the VECS watchdog only and
the correct shift is applied in element 3 of the array.

Regards,
Carlos



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  parent reply	other threads:[~2019-01-24  0:13 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-05  2:39 Gen8+ engine-reset Carlos Santa
2019-01-05  2:39 ` drm/i915: Add engine reset count in get-reset-stats ioctl Carlos Santa
2019-01-05  2:39 ` drm/i915: Watchdog timeout: IRQ handler for gen8+ Carlos Santa
2019-01-07 11:58   ` Tvrtko Ursulin
2019-01-07 12:16     ` Chris Wilson
2019-01-07 12:58       ` Tvrtko Ursulin
2019-01-07 13:02         ` Chris Wilson
2019-01-07 13:12           ` Tvrtko Ursulin
2019-01-07 13:43     ` Tvrtko Ursulin
2019-01-07 13:57       ` Chris Wilson
2019-01-07 16:58         ` Tvrtko Ursulin
2019-01-07 18:31           ` Chris Wilson
2019-01-11  0:47           ` Antonio Argenziano
2019-01-11  8:22             ` Tvrtko Ursulin
2019-01-11 17:31               ` Antonio Argenziano
2019-01-11 21:28                 ` John Harrison
2019-01-16 16:15                   ` Tvrtko Ursulin
2019-01-16 17:42                     ` Antonio Argenziano
2019-01-16 17:59                       ` Antonio Argenziano
2019-01-11  2:58           ` Carlos Santa
2019-01-24  0:13     ` Carlos Santa [this message]
2019-01-05  2:39 ` drm/i915: Watchdog timeout: Ringbuffer command emission " Carlos Santa
2019-01-07 12:21   ` Tvrtko Ursulin
2019-01-05  2:39 ` drm/i915: Watchdog timeout: DRM kernel interface to set the timeout Carlos Santa
2019-01-07 12:38   ` Tvrtko Ursulin
2019-01-07 12:50     ` Chris Wilson
2019-01-07 13:39       ` Tvrtko Ursulin
2019-01-07 13:51         ` Chris Wilson
2019-01-07 17:00     ` Tvrtko Ursulin
2019-01-07 17:20       ` Tvrtko Ursulin
2019-01-05  2:39 ` drm/i915: Watchdog timeout: Include threshold value in error state Carlos Santa
2019-01-05  4:19   ` kbuild test robot
2019-01-05  4:39   ` kbuild test robot
2019-01-05  2:39 ` drm/i915: Only process VCS2 only when supported Carlos Santa
2019-01-07 12:40   ` Tvrtko Ursulin
2019-01-24  0:20     ` Carlos Santa
2019-01-05  2:40 ` drm/i915/watchdog: move emit_stop_watchdog until the very end of the ring commands Carlos Santa
2019-01-07 12:50   ` Tvrtko Ursulin
2019-01-07 12:54     ` Chris Wilson
2019-01-07 13:01       ` Tvrtko Ursulin
2019-01-11  2:25     ` Carlos Santa
2019-01-05  2:40 ` drm/i915: Watchdog timeout: Blindly trust watchdog timeout for reset? Carlos Santa
2019-01-05  4:15   ` kbuild test robot
2019-01-05 13:32   ` kbuild test robot
2019-01-05  2:57 ` ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2019-01-05  3:21 ` ✓ Fi.CI.BAT: success " Patchwork
2019-01-05  4:41 ` ✓ Fi.CI.IGT: " Patchwork
2019-01-07 10:11 ` Gen8+ engine-reset Tvrtko Ursulin

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