Re: [PATCH v6 5/6] arm64: dts: renesas: sparrow-hawk: Enable DisplayPort by adding DSC

[Geert Uytterhoeven]

On Mon, 7 Sept 2026 at 11:30, Tomi Valkeinen
<tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx> wrote:
> From: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
>
> DisplayPort on the Sparrow Hawk board uses sn65dsi86 bridge, which in
> turn gets the video stream from the SoC's DSI1 port. DSI1 pipeline has a
> DSC block in between the DU and the DSI1. However, there was no DSC
> driver in Linux and also the DSC was not defined in the dts files, and
> thus the DisplayPort output did not work.
>
> Now that we have DSC defined in the SoC dts file (r8a779g0.dtsi), we can
> enable DSC for sparrowhawk.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
> [tomi.valkeinen: separated the sparrow hawk changes from the soc changes]
> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-devel for v7.4, pending acceptance of the
DSC DT bindings.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds