Re: Fedora support for new aarch64 chip

[Peter Robinson]

Hi Hua,

> I need to install Fedora IoT to our chip but I realize that the 
> Fedora-IoT-ostree-aarch64-36-20220618.0.iso does not support our GPU driver 
> so we can't install it.
>
> + Document about our chip: 
> https://www.google.com/url?sa=t=j==s=web==rja=8=2ahUKEwjetPb6iKD6AhVrqFYBHcmdAUkQFnoECA4QAQ=https%3A%2F%2Fwww.renesas.com%2Fus%2Fen%2Fproducts%2Fmicrocontrollers-microprocessors%2Frz-mpus%2Frzg2m-ultra-high-performance-microprocessors-arm-cortex-a57-and-arm-cortex-a53-cpus-3d-graphics-and-4k=AOvVaw3Ymgg6zOhVGXdomup7g4Ef

The general process is to engage with the Arm SIG [1] and work with
them on it. We have not enabled Renesas in the past because their SoC
parts have typically been focused towards automotive and they've not
engaged with us so we can engage with the SoC in case of problems. In
the very least we will need commitments to testing the SoC in an
ongoing manner to ensure it continues to work.

> + This is our GPU driver: 
> https://github.com/renesas-rz/rz_linux-cip/tree/rz-5.10-cip1-rt1/drivers/gpu/drm/rcar-du

This will need to be upstreamed in the upstream linus kernel before we
can look at enabling it.

> Could anyone help me with how I can integrate our GPU driver into OS?

It will not just be the GPU, but the whole SoC that will need to be enabled.

[1] https://lists.fedoraproject.org/archives/list/a...@lists.fedoraproject.org/
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Re: Fedora support for new aarch64 chip

[Dan Horák]

On Mon, 19 Sep 2022 05:31:38 -
"Hua Duy"  wrote:

> Hello all,
> 
> I need to install Fedora IoT to our chip but I realize that the 
> Fedora-IoT-ostree-aarch64-36-20220618.0.iso does not support our GPU driver 
> so we can't install it.
> 
> + Document about our chip: 
> https://www.google.com/url?sa=t=j==s=web==rja=8=2ahUKEwjetPb6iKD6AhVrqFYBHcmdAUkQFnoECA4QAQ=https%3A%2F%2Fwww.renesas.com%2Fus%2Fen%2Fproducts%2Fmicrocontrollers-microprocessors%2Frz-mpus%2Frzg2m-ultra-high-performance-microprocessors-arm-cortex-a57-and-arm-cortex-a53-cpus-3d-graphics-and-4k=AOvVaw3Ymgg6zOhVGXdomup7g4Ef
> 
> + This is our GPU driver: 
> https://github.com/renesas-rz/rz_linux-cip/tree/rz-5.10-cip1-rt1/drivers/gpu/drm/rcar-du
> 
> Could anyone help me with how I can integrate our GPU driver into OS? 

Fedora can only distribute drivers that are part of the official Linux
kernel tree.


Dan
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Re: Fedora support for new aarch64 chip

[Florian Weimer]

* Hua Duy:

> Hello all,
>
> I need to install Fedora IoT to our chip but I realize that the 
> Fedora-IoT-ostree-aarch64-36-20220618.0.iso does not support our GPU driver 
> so we can't install it.
>
> + Document about our chip: 
> https://www.google.com/url?sa=t=j==s=web==rja=8=2ahUKEwjetPb6iKD6AhVrqFYBHcmdAUkQFnoECA4QAQ=https%3A%2F%2Fwww.renesas.com%2Fus%2Fen%2Fproducts%2Fmicrocontrollers-microprocessors%2Frz-mpus%2Frzg2m-ultra-high-performance-microprocessors-arm-cortex-a57-and-arm-cortex-a53-cpus-3d-graphics-and-4k=AOvVaw3Ymgg6zOhVGXdomup7g4Ef
>
> + This is our GPU driver: 
> https://github.com/renesas-rz/rz_linux-cip/tree/rz-5.10-cip1-rt1/drivers/gpu/drm/rcar-du
>
> Could anyone help me with how I can integrate our GPU driver into OS?

Looks like this is still being submitted upstream:

  [PATCH v7 0/2] Add RZ/G2L DSI driver
  


Fedora does not usually take non-upstream patches (although AArch64 has
historically been an exception), so I suggest to wait for the kernel
integration.  You may still have to submit a MR update with a config
update to .

Thanks,
Florian
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