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Subject: Re: [PATCH v2 10/26] drm/bridge: panel: provide an owner .odev device
To:     Peter Rosin <peda@axentia.se>, <linux-kernel@vger.kernel.org>
CC:     Archit Taneja <architt@codeaurora.org>,
        Andrzej Hajda <a.hajda@samsung.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        David Airlie <airlied@linux.ie>,
        <dri-devel@lists.freedesktop.org>, Daniel Vetter <daniel@ffwll.ch>
References: <20180504135212.26977-1-peda@axentia.se>
 <20180504135212.26977-11-peda@axentia.se>
From:   Jyri Sarha <jsarha@ti.com>
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Message-ID: <5130ea2e-e1cd-53dd-25da-038deb91a13d@ti.com>
Date:   Tue, 8 May 2018 09:51:12 +0300
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In-Reply-To: <20180504135212.26977-11-peda@axentia.se>
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Sender: linux-kernel-owner@vger.kernel.org
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On 05/04/18 16:51, Peter Rosin wrote:
> It gets rid of an #ifdef and the .of_node member is going away.
> 
> Signed-off-by: Peter Rosin <peda@axentia.se>
> ---
>  drivers/gpu/drm/bridge/panel.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
> index 6d99d4a3beb3..f43d77b5ed20 100644
> --- a/drivers/gpu/drm/bridge/panel.c
> +++ b/drivers/gpu/drm/bridge/panel.c
> @@ -169,10 +169,8 @@ struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel,
>  	panel_bridge->connector_type = connector_type;
>  	panel_bridge->panel = panel;
>  
> +	panel_bridge->bridge.odev = panel->dev;

I am afraid this approach will eventually conflict with my lately
accepted patch[1].

The panel already has a device pointer of its own, and technically the
bridge element created here is created by the master drm device itself.

I suggest assigning odev here to NULL or to master drm device itself.

Best regards,
Jyri

>  	panel_bridge->bridge.funcs = &panel_bridge_bridge_funcs;
> -#ifdef CONFIG_OF
> -	panel_bridge->bridge.of_node = panel->dev->of_node;
> -#endif
>  
>  	drm_bridge_add(&panel_bridge->bridge);
>  
> 

[1] https://lists.freedesktop.org/archives/dri-devel/2018-April/174559.html
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