linux-kernel - Re: [PATCH v1 3/3] arm64: defconfig: Enable imx8mq-librem5-devkit display stack

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Message-ID: <CAOMZO5Dg5NGpJ0SQkYny04Kv3ky0619J7YwT-0eE1dsK19o1-w@mail.gmail.com>
Date:   Thu, 20 Aug 2020 01:11:28 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Guido Günther <agx@...xcpu.org>
Cc:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Martin Kepplinger <martink@...teo.de>,
        "Angus Ainslie (Purism)" <angus@...ea.ca>,
        Anson Huang <Anson.Huang@....com>, Peng Fan <peng.fan@....com>,
        Dong Aisheng <aisheng.dong@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Lucas Stach <l.stach@...gutronix.de>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Li Jun <jun.li@....com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Li Yang <leoyang.li@....com>, Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Walle <michael@...le.cc>,
        Olof Johansson <olof@...om.net>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 3/3] arm64: defconfig: Enable imx8mq-librem5-devkit
 display stack

Hi Guido,

On Wed, Jul 29, 2020 at 9:19 AM Guido Günther <agx@...xcpu.org> wrote:
>
> Enable the panel, NWL DSI host controller and dphy. This
> also needs the reset controller.
>
> Signed-off-by: Guido Günther <agx@...xcpu.org>
> ---
>  arch/arm64/configs/defconfig | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index e0f33826819f..608019f6408d 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -640,10 +640,12 @@ CONFIG_DRM_MSM=m
>  CONFIG_DRM_TEGRA=m
>  CONFIG_DRM_PANEL_LVDS=m
>  CONFIG_DRM_PANEL_SIMPLE=m
> -CONFIG_DRM_SIMPLE_BRIDGE=m
> +CONFIG_DRM_PANEL_SITRONIX_ST7703=m
>  CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA=m
>  CONFIG_DRM_DISPLAY_CONNECTOR=m
> +CONFIG_DRM_NWL_MIPI_DSI=m
>  CONFIG_DRM_SII902X=m
> +CONFIG_DRM_SIMPLE_BRIDGE=m

One nit: I suppose the CONFIG_DRM_SIMPLE_BRIDGE=m move comes from a
defconfig re-sync.

Maybe this re-sync could be part of a separate patch?

Thanks for adding these options to the defconfig so that we could have
MIPI DSI working by default on i.MX8M:

Reviewed-by: Fabio Estevam <festevam@...il.com>