Re: [PATCH v5 1/3] videobuf2: core: Rename min_buffers_needed field to vb2_queue

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On 14/12/2023 16:41, Benjamin Gaignard wrote:
> 
> Le 13/12/2023 à 17:39, Hans Verkuil a écrit :
>> Hi Benjamin,
>>
>> On 11/12/2023 14:32, Benjamin Gaignard wrote:
>>> Rename min_buffers_needed into min_queued_buffers and update
>>> the documentation about it.
>> I merged this patch, but not the others. I also dropped one functional
>> change:
>>
>> <snip>
>>
>>> diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
>>> index 40d89f29fa33..8912dff5bde3 100644
>>> --- a/drivers/media/common/videobuf2/videobuf2-core.c
>>> +++ b/drivers/media/common/videobuf2/videobuf2-core.c
>>> @@ -865,7 +865,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
>>>       /*
>>>        * Make sure the requested values and current defaults are sane.
>>>        */
>>> -    num_buffers = max_t(unsigned int, *count, q->min_buffers_needed);
>>> +    num_buffers = max_t(unsigned int, *count, q->min_queued_buffers + 1);
>>>       num_buffers = min_t(unsigned int, num_buffers, q->max_num_buffers);
>>>       memset(q->alloc_devs, 0, sizeof(q->alloc_devs));
>>>       /*
>> That "+ 1" didn't really belong here, since everything else was just renaming a
>> field. Such a patch shouldn't make any other changes.
>>
>> There were also three more occurrences of min_buffers_needed (one in a comment,
>> two in a vivid function argument), and I renamed those as well.
>>
>> 'git grep min_buffers_needed' now no longer shows any hits.
>>
>> I decided not to take the other patches, I think it is best if you rebase
>> and repost the series on top of staging and in the new year we'll continue with
>> it. I did not feel that I had enough time to really review the remaining patches.
> 
> Do you want me to re-post only the two missing patches or should I add the patches for
> delete buffers feature since it is the ultimate goal of this ?

I have no preference, to be honest.

Regards,

	Hans

> 
> Regards,
> Benjamin
> 
>>
>> However, it is nice to have this large rename patch merged. It touches on a lot
>> of files, so it is annoying to have to carry that around. And now was a good
>> moment to merge it.
>>
>> Regards,
>>
>>     Hans
>>
> 





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