Re: [PATCH v3 01/19] drm: Add |struct drm_gem_vram_object| and helpers

[Thomas Zimmermann <tzimmermann@suse.de>]

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Hi Christian,

would you review the whole patch set? Daniel mentioned that he'd prefer
to leave the review to memory-mgmt developers.

Best regards
Thomas

Am 30.04.19 um 11:35 schrieb Koenig, Christian:
> Am 30.04.19 um 11:23 schrieb Sam Ravnborg:
>> [CAUTION: External Email]
>>
>> Hi Thomas.
>>
>>>>> +
>>>>> +/**
>>>>> + * Returns the container of type &struct drm_gem_vram_object
>>>>> + * for field bo.
>>>>> + * @bo:           the VRAM buffer object
>>>>> + * Returns:       The containing GEM VRAM object
>>>>> + */
>>>>> +static inline struct drm_gem_vram_object* drm_gem_vram_of_bo(
>>>>> +  struct ttm_buffer_object *bo)
>>>>> +{
>>>>> +  return container_of(bo, struct drm_gem_vram_object, bo);
>>>>> +}
>>>> Indent funny. USe same indent as used in other parts of file for
>>>> function arguments.
>>> If I put the argument next to the function's name, it will exceed the
>>> 80-character limit. From the coding-style document, I could not see what
>>> to do in this case. One solution would move the return type to a
>>> separate line before the function name. I've not seen that anywhere in
>>> the source code, so moving the argument onto a separate line and
>>> indenting by one tab appears to be the next best solution. Please let me
>>> know if there's if there's a preferred style for cases like this one.
>> Readability has IMO higher priority than some limit of 80 chars.
>> And it hurts readability (at least my OCD) when style changes
>> as you do with indent here. So my personal preference is to fix
>> indent and accect longer lines.
> 
> In this case the an often used convention (which is also kind of 
> readable) is to add a newline after the return values, but before the 
> function name. E.g. something like this:
> 
> static inline struct drm_gem_vram_object*
> drm_gem_vram_of_bo(struct ttm_buffer_object *bo)
> 
> Regards,
> Christian.
> 
>>
>> But you ask for a preferred style - which I do not think we have in this
>> case. So it boils down to what you prefer.
>>
>> Enough bikeshedding, thanks for the quick response.
>>
>>          Sam
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)


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