[yocto] [meta-rockchip][PATCH 4/7] recipes-graphics: Add support for mali-userspace

[Trevor Woerner]

Hi Jacob,

This is a good first version, but I think there are some things that
could be added to make it better. For example, it should have a
COMPATIBLE_MACHINE statement, and it should detect whether the target
is using hard-float. Also the name "mali-userspace_t76x.bb" isn't a
good choice, the part after the underscore should indicate the
version, but t76x indicates the target mali implementation.

I think the sunxi people have done a good job with their mali recipes:
https://github.com/linux-sunxi/meta-sunxi/tree/master/recipes-graphics/libgles.
Would you be interested in creating a v2 modeled after their work?

Best regards,
    Trevor


On Thu, Feb 9, 2017 at 2:23 AM, Jacob Chen <jacob2.chen at rock-chips.com> wrote:
> Hi,
>
>
>
> Trevor Woerner wrote on 2017年01月28日 09:44:
>>
>> On Fri, Jan 27, 2017 at 9:41 AM, Romain Perier <romain.perier at gmail.com>
>> wrote:
>>>
>>> Hi all,
>>>
>>> Correct me if I am wrong, but these are generic mali userpace binaries ?
>>> meta-rockchip is a bsp meta layer, it should only contains files and
>>> recipes
>>> to make rockchip board working or things specific to the rockchip board.
>>> For
>>> me these recipes are completly generic and might be re-used for another
>>> platform with another SoC.
>>>
>>> I don't want this in meta-rockchip. There is no a layer called meta-mali
>>> or
>>> something ?
>>>
>>> @Trevor: Feel free to comment, the point of view of the second maintainer
>>> is
>>> always welcome
>>
>> :-)
>>
>>
>> I was just about to point out that there is no meta-mali, and that
>> most BSP layers do include their own recipes for mali (meta-sunxi,
>> meta-96boards, meta-xilinx) but, googling around, there is in fact a
>> meta-mali provided my ARM itself:
>> https://github.com/ARM-software/meta-mali . So I guess we could go
>> either way. Although I haven't looked at what's specifically provided
>> in meta-mali to know if it would be useful or not.
>>
>
> I think GPU is a part of SOC. Other bsp meta layer also contain gpu userpace
> binaries.
> And, mali userpace binaries are not very generic, there are different in
> hardware versions, software versions and backends.
> e.g:
>     rk3288's GPU is T76x-r0p0 but rk3288w's GPU is T76x-r1p0, so they have
> to use different binaries.
>
>
>