Re: [PATCH v2 2/8] drm: bridge: nwl-dsi: Switch to devm_drm_of_get_bridge

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Hi,
On Tue, Mar 01, 2022 at 07:42:41PM +0530, Jagan Teki wrote:
> devm_drm_of_get_bridge is capable of looking up the downstream
> bridge and panel and trying to add a panel bridge if the panel
> is found.
> 
> Replace explicit finding calls with devm_drm_of_get_bridge.
> 
> Cc: Guido Günther <agx@xxxxxxxxxxx>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> ---
> Changes for v2:
> - split the patch
> 
>  drivers/gpu/drm/bridge/nwl-dsi.c | 18 +++---------------
>  1 file changed, 3 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
> index 30aacd939dc3..c9e108a7eca2 100644
> --- a/drivers/gpu/drm/bridge/nwl-dsi.c
> +++ b/drivers/gpu/drm/bridge/nwl-dsi.c
> @@ -916,22 +916,10 @@ static int nwl_dsi_bridge_attach(struct drm_bridge *bridge,
>  {
>  	struct nwl_dsi *dsi = bridge_to_dsi(bridge);
>  	struct drm_bridge *panel_bridge;
> -	struct drm_panel *panel;
> -	int ret;
> -
> -	ret = drm_of_find_panel_or_bridge(dsi->dev->of_node, 1, 0, &panel,
> -					  &panel_bridge);
> -	if (ret)
> -		return ret;
> -
> -	if (panel) {
> -		panel_bridge = drm_panel_bridge_add(panel);
> -		if (IS_ERR(panel_bridge))
> -			return PTR_ERR(panel_bridge);
> -	}
>  
> -	if (!panel_bridge)
> -		return -EPROBE_DEFER;
> +	panel_bridge = devm_drm_of_get_bridge(dsi->dev, dsi->dev->of_node, 1, 0);
> +	if (IS_ERR(panel_bridge))
> +		return PTR_ERR(panel_bridge);
>  
>  	return drm_bridge_attach(bridge->encoder, panel_bridge, bridge, flags);
>  }

Reviewed-by: Guido Günther <agx@xxxxxxxxxxx>

Thanks,
 -- Guido

> -- 
> 2.25.1
> 



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