linux-kernel - Re: [PATCH] mediatek: Set default value for Panel Orientation connector prop.

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Message-ID: <20211026011318.GF2515@art_vandelay>
Date:   Mon, 25 Oct 2021 21:13:18 -0400
From:   Sean Paul <sean@...rly.run>
To:     Mark Yacoub <markyacoub@...omium.org>
Cc:     linux-mediatek@...ts.infradead.org, seanpaul@...omium.org,
        Mark Yacoub <markyacoub@...gle.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mediatek: Set default value for Panel Orientation
 connector prop.

On Fri, Oct 22, 2021 at 01:24:03PM -0400, Mark Yacoub wrote:
> From: Mark Yacoub <markyacoub@...gle.com>
> 
> [Why]
> Creating the prop uses UNKNOWN as the initial value, which is not a
> supported value if the props is to be supported.
> 
> [How]
> Set the panel orientation default value to NORMAL right after creating
> the prop.

Reviewed-by: Sean Paul <seanpaul@...omium.org>

> 
> Tested on Jacuzzi(MTK)
> Fixes IGT@..._properties@..._properties-sanity-{atomic,non-atomic}
> 
> Signed-off-by: Mark Yacoub <markyacoub@...omium.org>
> ---
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 0ad7157660afa..b7c2528a8f41c 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -1039,6 +1039,8 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)
>  		DRM_ERROR("Unable to init panel orientation\n");
>  		goto err_cleanup_encoder;
>  	}
> +	drm_connector_set_panel_orientation(dsi->connector,
> +					    DRM_MODE_PANEL_ORIENTATION_NORMAL);
>  
>  	drm_connector_attach_encoder(dsi->connector, &dsi->encoder);
>  
> -- 
> 2.33.0.1079.g6e70778dc9-goog
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS