From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Daniel Stone <daniels@collabora.com>
Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org,
ville.syrjala@intel.com
Subject: Re: [PATCH v2 2/2] drm/i915/pm: Print offending domain in refcount failure
Date: Fri, 20 Nov 2015 18:03:53 +0200 [thread overview]
Message-ID: <20151120160353.GU4437@intel.com> (raw)
In-Reply-To: <1448034934-11926-2-git-send-email-daniels@collabora.com>
On Fri, Nov 20, 2015 at 03:55:34PM +0000, Daniel Stone wrote:
> If we experience a refcounting failure in a power domain/well (unref'ing at
> least one too many times), log the name of the offending domain or well.
>
> Signed-off-by: Daniel Stone <daniels@collabora.com>
Both patches look OK to me
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
> drivers/gpu/drm/i915/intel_runtime_pm.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 754f9bd..7237dea 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -1499,11 +1499,15 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
>
> mutex_lock(&power_domains->lock);
>
> - WARN_ON(!power_domains->domain_use_count[domain]);
> + WARN(!power_domains->domain_use_count[domain],
> + "Use count on domain %s is already zero\n",
> + intel_display_power_domain_str(domain));
> power_domains->domain_use_count[domain]--;
>
> for_each_power_well_rev(i, power_well, BIT(domain), power_domains) {
> - WARN_ON(!power_well->count);
> + WARN(!power_well->count,
> + "Use count on power well %s is already zero",
> + power_well->name);
>
> if (!--power_well->count)
> intel_power_well_disable(dev_priv, power_well);
> --
> 2.5.0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel OTC
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Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2015-11-20 16:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-20 15:55 [PATCH v2 1/2] drm/i915/pm: Unstatic power_domain_str Daniel Stone
2015-11-20 15:55 ` [PATCH v2 2/2] drm/i915/pm: Print offending domain in refcount failure Daniel Stone
2015-11-20 16:03 ` Ville Syrjälä [this message]
2015-11-23 10:31 ` Jani Nikula
2015-11-23 15:12 ` Imre Deak
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