linux-kernel - Re: [PATCH v6 RESEND 2/3] drm/mediatek: init panel orientation property

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Message-ID: <CAFqH_51zDMC6N-1DBiSfARTM-SG0SH9VAXOX=G1W6yHJaVBL3A@mail.gmail.com>
Date:   Thu, 15 Jul 2021 13:09:43 +0200
From:   Enric Balletbo Serra <eballetbo@...il.com>
To:     Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     dri-devel <dri-devel@...ts.freedesktop.org>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        intel-gfx@...ts.freedesktop.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Paul <sean@...rly.run>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v6 RESEND 2/3] drm/mediatek: init panel orientation property

Hi Hsin-Yi,

Thank you for your patch.

Missatge de Hsin-Yi Wang <hsinyi@...omium.org> del dia dj., 24 de juny
2021 a les 12:55:
>
> Init panel orientation property after connector is initialized. Let the
> panel driver decides the orientation value later.
>
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> Acked-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>

Tested-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

As together with the other two patches works and I don't see any
problem on the Lenovo IdeaPad Duet, and the panel has the proper
orientation


> ---
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index ae403c67cbd92..9da1fd6491319 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -964,6 +964,13 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)
>                 ret = PTR_ERR(dsi->connector);
>                 goto err_cleanup_encoder;
>         }
> +
> +       ret = drm_connector_init_panel_orientation_property(dsi->connector);
> +       if (ret) {
> +               DRM_ERROR("Unable to init panel orientation\n");
> +               goto err_cleanup_encoder;
> +       }
> +
>         drm_connector_attach_encoder(dsi->connector, &dsi->encoder);
>
>         return 0;
> --
> 2.32.0.288.g62a8d224e6-goog
>