linux-kernel - Re: [Intel-gfx] [PATCH 6/9] drm/i915: Separate wakeref tracking

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Message-ID: <Yg5gJfSJCCaY5JYs@intel.com>
Date:   Thu, 17 Feb 2022 16:48:05 +0200
From:   Ville Syrjälä <ville.syrjala@...ux.intel.com>
To:     Andrzej Hajda <andrzej.hajda@...el.com>
Cc:     linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, netdev <netdev@...r.kernel.org>,
        Lucas De Marchi <lucas.demarchi@...el.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Eric Dumazet <edumazet@...gle.com>,
        Chris Wilson <chris.p.wilson@...el.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [Intel-gfx] [PATCH 6/9] drm/i915: Separate wakeref tracking

On Thu, Feb 17, 2022 at 03:04:38PM +0100, Andrzej Hajda wrote:
> -static noinline depot_stack_handle_t
> +static intel_wakeref_t
>  track_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
>  {
> -	depot_stack_handle_t stack, *stacks;
> -	unsigned long flags;
> -
> -	if (rpm->no_wakeref_tracking)
> -		return -1;
> -
> -	stack = __save_depot_stack();
> -	if (!stack)
> +	if (!rpm->available)
>  		return -1;

no_wakeref_tracking != available

-- 
Ville Syrjälä
Intel