[PATCH] ls1028a: hdp: Add config support for HDP firmware loading

Vladimir Oltean vladimir.oltean at nxp.com
Tue May 10 19:47:42 CEST 2022


On Tue, May 10, 2022 at 04:18:32PM +0200, Michael Walle wrote:
> > From: Alison Wang <alison.wang at nxp.com>
> > 
> > This patch adds config support for HDP firmware loading on LS1028A.
> 
> FWIW, I really don't like this as this is just for a downstream kernel.

This => what? I only see a config option. I searched the list and the
source code for CONFIG_VIDEO_LS_HDP_LOAD and I don't see any user...

> For the upstream kernel the firmware should be loaded by the kernel itself.

In principle I agree.

> But unfortunately, there is no development there. (I have some half
> baked patches though and can confirm, that firmware loading is working
> from linux). Instead of this I'd like to see some work to support the
> DP PHY in upstream linux as this is really the last missing piece to
> get graphics working.

It is? What did I miss?

> Now this is purely board related code, so it is probably fine. But in the
> past the handling of purly downstream stuff was removed from upstream
> u-boot anyway in favor of the upstream method. i.e. fixup of the
> ls1028a-gpu node.
> 
> -michael


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