[PATCH 0/6] drm/bridge: Add a BPF-based MIPI-DSI panel driver

Javier Martinez Canillas javierm at redhat.com
Fri Oct 2 00:37:37 PDT 2026


Neil Armstrong <neil.armstrong at linaro.org> writes:

Hello Neil,

> On 10/1/26 08:50, Maxime Ripard wrote:

[...]

>>>
>>> I don't want to add a supplementary maintenance burden for the sake of using a cool
>>> technology which has serious drawbacks and dependencies on user-space even if looks
>>> really cool.
>> 
>> Spoiler alert: v2 won't. I've got the in-kernel loader to work and thus
>> you can have a built-in panel driver that works without user-space
>> intervention. So this is not a topic of discussion anymore.
>
> It will still have users-space dependency, meaning the BPF files will need to
> exist in the fs when drivers probes.
>

It doesn't have to AFAIU. The BPF programs could be built into the kernel
image, just like firmware binaries could be built-in as well.

> Neil
>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat




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