[Linux-stm32] [PATCH V3 13/22] ARM: dts: stm32: Enable GPU on AV96

[Marek Vasut]

On 4/1/20 2:40 PM, Lucas Stach wrote:

[...]

>>>> index 27c48f988540..19a7a130b148 100644
>>>> --- a/arch/arm/boot/dts/stm32mp157a-avenger96.dts
>>>> +++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
>>>> @@ -139,6 +139,10 @@ phy0: ethernet-phy at 7 {
>>>>       };
>>>>   };
>>>>   +&gpu {
>>>> +    status = "okay";
>>>> +};
>>>> +
>>>
>>> GPU is now enable by so you can drop this patch.
>>
>> Why is it enabled by default ? That's somewhat useless on headless
>> systems.
> 
> The better question is: why wouldn't it be enabled by default? It's a
> SoC peripheral and has no external dependencies. Even on a headless
> system you can still do stuff like color conversion/balancing via GL in
> a video pipeline or something like this. There is simply no good reason
> to hide the existence of the GPU.

Power saving ? Resource saving ?
Why should it be enabled if it's not used ?

[...]