[PATCH] drm/hisilicon: Code refactoring for hibmc_drv_vdac

[PATCH] drm/hisilicon: Code refactoring for hibmc_drv_vdac

[Tian Tao]

code refactoring for hibmc_drv_vdac.c, no actual function changes.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 48 ++++++++----------------
 1 file changed, 15 insertions(+), 33 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
index 678ac2e..d56c5d4 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
@@ -52,32 +52,6 @@ static const struct drm_connector_funcs hibmc_connector_funcs = {
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 };
 
-static struct drm_connector *
-hibmc_connector_init(struct hibmc_drm_private *priv)
-{
-	struct drm_device *dev = priv->dev;
-	struct drm_connector *connector;
-	int ret;
-
-	connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL);
-	if (!connector) {
-		DRM_ERROR("failed to alloc memory when init connector\n");
-		return ERR_PTR(-ENOMEM);
-	}
-
-	ret = drm_connector_init(dev, connector,
-				 &hibmc_connector_funcs,
-				 DRM_MODE_CONNECTOR_VGA);
-	if (ret) {
-		DRM_ERROR("failed to init connector: %d\n", ret);
-		return ERR_PTR(ret);
-	}
-	drm_connector_helper_add(connector,
-				 &hibmc_connector_helper_funcs);
-
-	return connector;
-}
-
 static void hibmc_encoder_mode_set(struct drm_encoder *encoder,
 				   struct drm_display_mode *mode,
 				   struct drm_display_mode *adj_mode)
@@ -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");
@@ -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");
+		return -ENOMEM;
+	}
+
+	ret = drm_connector_init(dev, connector, &hibmc_connector_funcs,
+				 DRM_MODE_CONNECTOR_VGA);
+	if (ret) {
+		DRM_ERROR("failed to init connector: %d\n", ret);
+		return ret;
+	}
+	drm_connector_helper_add(connector, &hibmc_connector_helper_funcs);
+
 	drm_connector_attach_encoder(connector, encoder);
 
 	return 0;
-- 
2.7.4

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Re: [PATCH] drm/hisilicon: Code refactoring for hibmc_drv_vdac

[Joe Perches]

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.


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Re: [PATCH] drm/hisilicon: Code refactoring for hibmc_drv_vdac

[tiantao (H)]

Thank you, your suggestion is accepted and I will issue v2

在 2020/4/11 11:43, Joe Perches 写道:
> 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.
> 
> 
> 
> .
> 

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