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Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements

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On 17 February 2017 at 12:45, Tobias Jakobi
<tjakobi@math.uni-bielefeld.de> wrote:
> Hello Maxime,
>
> Maxime Ripard wrote:
>> Hi,
>>
>> On Thu, Feb 16, 2017 at 01:43:06PM +0100, Tobias Jakobi wrote:
>>> I was wondering about the following. Wasn't there some strict
>>> requirement about code going upstream, which also included that there
>>> was a full open-source driver stack for it?
>>>
>>> I don't see how this is the case for Mali, neither in the kernel, nor in
>>> userspace. I'm aware that the Mali kernel driver is open-source. But it
>>> is not upstream, maintained out of tree, and won't land upstream in its
>>> current form (no resemblence to a DRM driver at all). And let's not talk
>>> about the userspace part.
>>>
>>> So, why should this be here?
>>
>> The device tree is a representation of the hardware itself. The state
>> of the driver support doesn't change the hardware you're running on,
>> just like your BIOS/UEFI on x86 won't change the device it reports to
>> Linux based on whether it has a driver for it.
> Like Emil already said, the new bindings and the DT entries are solely
> introduced to support a proprietary out-of-tree module.
>
> The current workflow when introducing new DT entries is the following:
> - upstream a driver that uses the entries
> - THEN add the new entries
>
That's the ideal route that I was thinking of.

At the same time, if prominent DRM people believe that we can/should
turn a blind eye, so be it.
I'm not trying to make Maxime's life hard, but point out that things
feel iffy IMHO.

Thanks
Emil

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Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Tobias Jakobi <tjakobi@math.uni-bielefeld.de> - 2017-02-16 14:00 +0100
  Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Emil Velikov <emil.l.velikov@gmail.com> - 2017-02-16 18:00 +0100
    Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-17 16:50 +0100
      Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Emil Velikov <emil.l.velikov@gmail.com> - 2017-02-17 21:50 +0100
        Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-24 01:30 +0100
          Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Emil Velikov <emil.l.velikov@gmail.com> - 2017-02-26 15:20 +0100
      Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Rask Ingemann Lambertsen <rask@formelder.dk> - 2017-02-17 23:00 +0100
  Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-17 09:50 +0100
    Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Tobias Jakobi <tjakobi@math.uni-bielefeld.de> - 2017-02-17 13:50 +0100
      Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Emil Velikov <emil.l.velikov@gmail.com> - 2017-02-17 14:30 +0100
      Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2017-02-17 16:50 +0100
        Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Tobias Jakobi <tjakobi@math.uni-bielefeld.de> - 2017-02-17 17:00 +0100
          Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Rob Herring <robh+dt@kernel.org> - 2017-02-24 15:00 +0100
      Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-17 16:50 +0100
        Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Thierry Reding <thierry.reding@gmail.com> - 2017-02-20 17:50 +0100
          Re: [PATCH 0/8] ARM: sun8i: a33: Mali improvements Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-23 01:50 +0100

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