linux-kernel - Re: [PATCH v5, 23/32] drm/mediatek: distinguish ovl and ovl_2l by layer

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Date:   Wed, 9 Oct 2019 17:28:20 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     <yongqiang.niu@...iatek.com>
CC:     Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "David Airlie" <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v5, 23/32] drm/mediatek: distinguish ovl and ovl_2l by
 layer_nr

Hi, Yongqiang:

On Thu, 2019-08-29 at 22:50 +0800, yongqiang.niu@...iatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
> 
> distinguish ovl and ovl_2l by layer_nr when get comp
> id
> 

Applied to mediatek-drm-next-5.5 [1], thanks.

[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5.5

Regards,
CK

> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> Reviewed-by: CK Hu <ck.hu@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index eb3bf85..53f3883 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -318,7 +318,12 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
>  	if (irq < 0)
>  		return irq;
>  
> -	comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_OVL);
> +	priv->data = of_device_get_match_data(dev);
> +
> +	comp_id = mtk_ddp_comp_get_id(dev->of_node,
> +				      priv->data->layer_nr == 4 ?
> +				      MTK_DISP_OVL :
> +				      MTK_DISP_OVL_2L);
>  	if (comp_id < 0) {
>  		dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
>  		return comp_id;
> @@ -331,8 +336,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> -	priv->data = of_device_get_match_data(dev);
> -
>  	platform_set_drvdata(pdev, priv);
>  
>  	ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler,