Re: [PATCH v2 32/41] drm/vc4: vec: Convert to the new TV mode property

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Den 08.09.2022 13.23, skrev Maxime Ripard:
> Hi Noralf,
> 
> On Tue, Aug 30, 2022 at 09:01:08PM +0200, Noralf Trønnes wrote:
>>> +static const struct drm_prop_enum_list tv_mode_names[] = {
>>
>> Maybe call it legacy_tv_mode_enums?
>>
>>>
>>> +	{ VC4_VEC_TV_MODE_NTSC, "NTSC", },
>>>
>>> +	{ VC4_VEC_TV_MODE_NTSC_J, "NTSC-J", },
>>>
>>> +	{ VC4_VEC_TV_MODE_PAL, "PAL", },
>>>
>>> +	{ VC4_VEC_TV_MODE_PAL_M, "PAL-M", },
>>
>> If you use DRM_MODE_TV_MODE_* here you don't need to translate the value
>> using the switch statement in get/set property, you can use the value
>> directly to get/set tv.mode.
> 
> I'm sorry, I'm not quite sure what you mean by that. If we expose the
> DRM_MODE_TV_MODE_* properties there, won't that change the values the
> userspace will need to use to set that property?
> 

You're right ofc, I forgot that the enum values are also UABI.

Noralf.



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