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From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/i915: Complete pending resets before	get-reset-stats ioctl
Date: Fri, 13 May 2016 13:12:42 +0300	[thread overview]
Message-ID: <87r3d6mfl1.fsf@gaia.fi.intel.com> (raw)
In-Reply-To: <1463132353-3628-2-git-send-email-chris@chris-wilson.co.uk>

Chris Wilson <chris@chris-wilson.co.uk> writes:

> [ text/plain ]
> The get-reset-stats ioctls wasn't waiting for a pending reset before
> reporting its statistics, and so was ignoring a hang generated by the
> context that should have been reported against said context.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

This is the fix we are looking for. And so blatantly obvious that
I blame myself for walking past this yesterday.

Testcase: igt/gem_reset_stats/reset_stats-*
Tested-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>

> ---
>  drivers/gpu/drm/i915/i915_gem_context.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
> index f3c76ca6b411..2aedd188473d 100644
> --- a/drivers/gpu/drm/i915/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/i915_gem_context.c
> @@ -1056,7 +1056,7 @@ int i915_gem_context_reset_stats_ioctl(struct drm_device *dev,
>  	if (args->ctx_id == DEFAULT_CONTEXT_HANDLE && !capable(CAP_SYS_ADMIN))
>  		return -EPERM;
>  
> -	ret = mutex_lock_interruptible(&dev->struct_mutex);
> +	ret = i915_mutex_lock_interruptible(dev);
>  	if (ret)
>  		return ret;
>  
> -- 
> 2.8.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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  reply	other threads:[~2016-05-13 10:15 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-12 10:25 [PATCH 1/2] drm/i915: Stop retiring requests from busy-ioctl Chris Wilson
2016-05-12 10:25 ` [PATCH 2/2] drm/i915: Stop automatically retiring requests after a GPU hang Chris Wilson
2016-05-13  7:57   ` [PATCH v2] " Chris Wilson
2016-05-13  8:43     ` Mika Kuoppala
2016-05-13  9:38       ` Chris Wilson
2016-05-13  9:39       ` [PATCH 1/2] drm/i915: Move get-reset-stats ioctl from intel_uncore.c to i915_gem_context.c Chris Wilson
2016-05-13  9:39         ` [PATCH 2/2] drm/i915: Complete pending resets before get-reset-stats ioctl Chris Wilson
2016-05-13 10:12           ` Mika Kuoppala [this message]
2016-05-13  9:51         ` [PATCH 1/2] drm/i915: Move get-reset-stats ioctl from intel_uncore.c to i915_gem_context.c Mika Kuoppala
2016-05-13 10:48     ` [PATCH v2] drm/i915: Stop automatically retiring requests after a GPU hang Mika Kuoppala
2016-05-13  8:25 ` ✗ Ro.CI.BAT: failure for series starting with [1/2] drm/i915: Stop retiring requests from busy-ioctl (rev2) Patchwork
2016-05-13  8:38 ` [PATCH 1/2] drm/i915: Stop retiring requests from busy-ioctl Tvrtko Ursulin
2016-05-13  8:50   ` Chris Wilson
2016-05-13  9:01     ` Tvrtko Ursulin
2016-05-13 10:30       ` [PATCH v2] drm/i915: Stop retiring requests from busy/wait ioctls Chris Wilson
2016-05-13  9:48 ` ✗ Ro.CI.BAT: failure for series starting with [1/2] drm/i915: Stop retiring requests from busy-ioctl (rev4) Patchwork
2016-05-13 10:40 ` [PATCH 1/2] drm/i915: Stop retiring requests from busy-ioctl Mika Kuoppala
2016-05-13 11:00 ` ✗ Ro.CI.BAT: failure for series starting with [v2] drm/i915: Stop retiring requests from busy/wait ioctls (rev5) Patchwork

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