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

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Message-ID: <7f5341e5-9d00-fca6-9def-b78282fc86ba@intel.com>
Date:   Fri, 18 Feb 2022 11:32:03 +0100
From:   Andrzej Hajda <andrzej.hajda@...el.com>
To:     Ville Syrjälä <ville.syrjala@...ux.intel.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 17.02.2022 15:48, Ville Syrjälä wrote:
> 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

ups I missed this change, will be more careful in next iteration.

Regards
Andrzej