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From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Intel-gfx@lists.freedesktop.org,
	Tvrtko Ursulin <tvrtko.ursulin@intel.com>,
	Matthew Auld <matthew.auld@intel.com>,
	dri-devel@lists.freedesktop.org,
	Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH 1/2] drm/i915/overlay: Fix active retire callback alignment
Date: Thu, 29 Apr 2021 18:34:51 +0100	[thread overview]
Message-ID: <76f1488b-f0c3-f110-44ed-b7633256f132@linux.intel.com> (raw)
In-Reply-To: <YIrfb9jvAn/FTt09@intel.com>


On 29/04/2021 17:31, Ville Syrjälä wrote:
> On Thu, Apr 29, 2021 at 09:35:29AM +0100, Tvrtko Ursulin wrote:
>> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>
>> __i915_active_call annotation is required on the retire callback to ensure
>> correct function alignment.
>>
>> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>> Fixes: a21ce8ad12d2 ("drm/i915/overlay: Switch to using i915_active tracking")
>> Cc: Chris Wilson <chris@chris-wilson.co.uk>
>> Cc: Matthew Auld <matthew.auld@intel.com>
>> ---
>>   drivers/gpu/drm/i915/display/intel_overlay.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
>> index fffbde4256db..428819ba18dd 100644
>> --- a/drivers/gpu/drm/i915/display/intel_overlay.c
>> +++ b/drivers/gpu/drm/i915/display/intel_overlay.c
>> @@ -383,7 +383,7 @@ static void intel_overlay_off_tail(struct intel_overlay *overlay)
>>   		i830_overlay_clock_gating(dev_priv, true);
>>   }
>>   
>> -static void
>> +__i915_active_call static void
> 
> Am I blind or are we just packing flag bits into a pointer, passing
> that to a function, and then immediately unpack the bits again in
> said function? Why not just pass the flags explicitly?
> 
> Looks like you missed auto_retire()?

Yeah, both points already either fixed or under consideration: 
https://patchwork.freedesktop.org/patch/431473/?series=89623&rev=1

I left the splitting up vfunc vs flags for later.

Regards,

Tvrtko

>>   intel_overlay_last_flip_retire(struct i915_active *active)
>>   {
>>   	struct intel_overlay *overlay =
>> -- 
>> 2.30.2
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
> 
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  parent reply	other threads:[~2021-04-29 17:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-29  8:35 Tvrtko Ursulin
2021-04-29  8:35 ` [PATCH 2/2] drm/i915/selftests: " Tvrtko Ursulin
2021-04-29 16:31 ` [PATCH 1/2] drm/i915/overlay: " Ville Syrjälä
2021-04-29 17:31   ` [Intel-gfx] " Ville Syrjälä
2021-04-30 11:14     ` Tvrtko Ursulin
2021-04-29 17:34   ` Tvrtko Ursulin [this message]
2021-04-30 11:52     ` Daniel Vetter

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