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

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Date:   Wed, 12 May 2021 00:21:04 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Sean Paul <sean@...rly.run>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        DTML <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v6 2/3] drm/mediatek: init panel orientation property

Hi, Hsin-Yi:

Hsin-Yi Wang <hsinyi@...omium.org> 於 2021年4月29日 週四 下午12:28寫道：
>
> Init panel orientation property after connector is initialized. Let the
> panel driver decides the orientation value later.

Acked-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>

>
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> ---
>  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 ae403c67cbd9..9da1fd649131 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;
> --
> 2.31.1.498.g6c1eba8ee3d-goog
>