linux-kernel - Re: [PATCH] drm/hisilicon: Code refactoring for hibmc_drv

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Message-ID: <78e966cacffbab8c43be6a02aa3f5af2478917d0.camel@perches.com>
Date:   Fri, 10 Apr 2020 20:43:02 -0700
From:   Joe Perches <joe@...ches.com>
To:     Tian Tao <tiantao6@...ilicon.com>, puck.chen@...ilicon.com,
        airlied@...ux.ie, daniel@...ll.ch, tzimmermann@...e.de,
        kraxel@...hat.com, alexander.deucher@....com, tglx@...utronix.de,
        dri-devel@...ts.freedesktop.org, xinliang.liu@...aro.org,
        linux-kernel@...r.kernel.org
Cc:     linuxarm@...wei.com
Subject: Re: [PATCH] drm/hisilicon: Code refactoring for hibmc_drv_vdac

On Sat, 2020-04-11 at 10:49 +0800, Tian Tao wrote:
> code refactoring for hibmc_drv_vdac.c, no actual function changes.

Seems sensible.

> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
[]
> @@ -109,13 +83,6 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv)
>  	struct drm_connector *connector;
>  	int ret;
>  
> -	connector = hibmc_connector_init(priv);
> -	if (IS_ERR(connector)) {
> -		DRM_ERROR("failed to create connector: %ld\n",
> -			  PTR_ERR(connector));
> -		return PTR_ERR(connector);
> -	}
> -
>  	encoder = devm_kzalloc(dev->dev, sizeof(*encoder), GFP_KERNEL);
>  	if (!encoder) {
>  		DRM_ERROR("failed to alloc memory when init encoder\n");

The alloc error messages could be removed.

> @@ -131,6 +98,21 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv)
>  	}
>  
>  	drm_encoder_helper_add(encoder, &hibmc_encoder_helper_funcs);
> +
> +	connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL);
> +	if (!connector) {
> +		DRM_ERROR("failed to alloc memory when init connector\n");

and here.