linux-kernel - Re: [PATCH v1] Fix: SYNCOBJ TIMELINE Test failed.

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Date:   Thu, 30 Jun 2022 09:01:47 +0200
From:   "Das, Nirmoy" <nirmoy.das@...ux.intel.com>
To:     Christian König <christian.koenig@....com>,
        jie1zhan <jesse.zhang@....com>, broonie@...nel.org,
        alsa-devel@...a-project.org
Cc:     Vijendar.Mukunda@....com, Basavaraj.Hiregoudar@....com,
        Sunil-kumar.Dommati@....com, ajitkumar.pandey@....com,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        "open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:DMA BUFFER SHARING FRAMEWORK" 
        <linux-media@...r.kernel.org>,
        "moderated list:DMA BUFFER SHARING FRAMEWORK" 
        <linaro-mm-sig@...ts.linaro.org>
Subject: Re: [PATCH v1] Fix: SYNCOBJ TIMELINE Test failed.


On 6/29/2022 11:12 AM, Christian König wrote:
> Am 29.06.22 um 08:02 schrieb jie1zhan:
>>   The issue cause by the commit :
>>
>> 721255b527(drm/syncobj: flatten dma_fence_chains on transfer).
>>
>> Because it use the point of dma_fence incorrectly
>>
>> Correct the point of dma_fence by fence array
>
> Well that patch is just utterly nonsense as far as I can see.
>
>>
>> Signed-off-by: jie1zhan <jesse.zhang@....com>
>>
>> Reviewed-by: Christian König <christian.koenig@....com>
>>
>> Reviewed-by: Nirmoy Das <nirmoy.das@...ux.intel.com>
>
> I have strong doubts that Nirmoy has reviewed this and I certainly 
> haven't reviewed it.


I haven't  reviewed this either.


Nirmoy

>
> Christian.
>
>> ---
>>   drivers/gpu/drm/drm_syncobj.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/drm_syncobj.c 
>> b/drivers/gpu/drm/drm_syncobj.c
>> index 7e48dcd1bee4..d5db818f1c76 100644
>> --- a/drivers/gpu/drm/drm_syncobj.c
>> +++ b/drivers/gpu/drm/drm_syncobj.c
>> @@ -887,7 +887,7 @@ static int drm_syncobj_flatten_chain(struct 
>> dma_fence **f)
>>           goto free_fences;
>>         dma_fence_put(*f);
>> -    *f = &array->base;
>> +    *f = array->fences[0];
>>       return 0;
>>     free_fences:
>