Re: [PATCH v5 1/8] drm/fourcc: Add modifier definitions for describing Amlogic Video Framebuffer Compression

[Neil Armstrong]

On 21/04/2020 14:16, Daniel Vetter wrote:
> On Mon, Apr 20, 2020 at 12:21:24PM +0200, Neil Armstrong wrote:
>> On 17/04/2020 20:14, Daniel Vetter wrote:
>>> On Fri, Apr 17, 2020 at 6:05 PM Neil Armstrong <narmstrong@xxxxxxxxxxxx> wrote:
>>>>
>>>> On 17/04/2020 17:07, Daniel Vetter wrote:
>>
>> [...]
>>
>>>
>>> Yup there's a number of parametried modifiers. As long as the stuff
>>> you get from a DRM_FORMAT_MOD_ ... macro is a full modifier with
>>> everything it should be all fine.
>>
>> Would something like that be ok ?
>>
>> #define __fourcc_mod_amlogic_layout_mask 0xf
>> #define __fourcc_mod_amlogic_options_shift 8
>> #define __fourcc_mod_amlogic_options_mask 0xf
>>
>> #define DRM_FORMAT_MOD_AMLOGIC_FBC(__layout, __options) \
>> 	fourcc_mod_code(AMLOGIC, \
>> 			((__layout) & __fourcc_mod_amlogic_layout_mask) | \
>> 			((options) & __fourcc_mod_amlogic_options_mask \
>> 			 << __fourcc_mod_amlogic_options_shift))
>>
>> /* Amlogic FBC Layouts */
>>
>> /* bla */
>> #define AMLOGIC_FBC_LAYOUT_BASIC		(1ULL)
>>
>> /* bla */
>> #define AMLOGIC_FBC_LAYOUT_SCATTER		(2ULL)
>>
>> /* Amlogic FBC Layout Options Bit Mask */
>>
>> /* bla */
>> #define AMLOGIC_FBC_OPTION_MEM_SAVING		(1ULL << 0)
> 
> lgtm.
> -Daniel

Thanks,

Re-sending with this.

Neil

> 
>>
>> Neil
>>
>>> -Daniel
>>>
>>>> Neil
>>>>
>>>>> -Daniel
>>>>>
>>>>>> +
>>>>>>  #if defined(__cplusplus)
>>>>>>  }
>>>>>>  #endif
>>>>>> --
>>>>>> 2.22.0
>>>>>>
>>>>>
>>>>
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>>>
>>>
>>>
>>
>