linux-kernel - Re: [PATCH v4 4/4] drm/mtk: add panel orientation property

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Date:   Mon, 1 Jul 2019 09:59:19 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Derek Basehore <dbasehore@...omium.org>
CC:     <linux-kernel@...r.kernel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sam Ravnborg <sam@...nborg.org>,
        <intel-gfx@...ts.freedesktop.org>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        "Thierry Reding" <thierry.reding@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <dri-devel@...ts.freedesktop.org>, Daniel Vetter <daniel@...ll.ch>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        <linux-mediatek@...ts.infradead.org>, Sean Paul <sean@...rly.run>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 4/4] drm/mtk: add panel orientation property

Hi, Derek:

On Fri, 2019-06-21 at 20:41 -0700, Derek Basehore wrote:
> This inits the panel orientation property for the mediatek dsi driver
> if the panel orientation (connector.display_info.panel_orientation) is
> not DRM_MODE_PANEL_ORIENTATION_UNKNOWN.
> 

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> Signed-off-by: Derek Basehore <dbasehore@...omium.org>
> ---
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 4a0b9150a7bb..08ffdc7526dd 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -782,10 +782,18 @@ static int mtk_dsi_create_connector(struct drm_device *drm, struct mtk_dsi *dsi)
>  			DRM_ERROR("Failed to attach panel to drm\n");
>  			goto err_connector_cleanup;
>  		}
> +
> +		ret = drm_connector_init_panel_orientation_property(&dsi->conn);
> +		if (ret) {
> +			DRM_ERROR("Failed to init panel orientation\n");
> +			goto err_panel_detach;
> +		}
>  	}
>  
>  	return 0;
>  
> +err_panel_detach:
> +	drm_panel_detach(dsi->panel);
>  err_connector_cleanup:
>  	drm_connector_cleanup(&dsi->conn);
>  	return ret;