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* [PATCH] drm/imx: Convert drm_atomic_helper_suspend/resume()
@ 2018-07-28 13:05 Souptick Joarder
  2018-07-31  8:29 ` Philipp Zabel
  0 siblings, 1 reply; 3+ messages in thread
From: Souptick Joarder @ 2018-07-28 13:05 UTC (permalink / raw)
  To: p.zabel, airlied; +Cc: dri-devel, linux-kernel, ajitn.linux, daniel

convert drm_atomic_helper_suspend/resume() to use
drm_mode_config_helper_suspend/resume().

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Ajit Negi <ajitn.linux@gmail.com>
---
 drivers/gpu/drm/imx/imx-drm-core.c | 26 ++------------------------
 1 file changed, 2 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 1d053bb..cdd83ea 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -355,37 +355,15 @@ static int imx_drm_platform_remove(struct platform_device *pdev)
 static int imx_drm_suspend(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
-	struct imx_drm_device *imxdrm;
-
-	/* The drm_dev is NULL before .load hook is called */
-	if (drm_dev == NULL)
-		return 0;
-
-	drm_kms_helper_poll_disable(drm_dev);
-
-	imxdrm = drm_dev->dev_private;
-	imxdrm->state = drm_atomic_helper_suspend(drm_dev);
-	if (IS_ERR(imxdrm->state)) {
-		drm_kms_helper_poll_enable(drm_dev);
-		return PTR_ERR(imxdrm->state);
-	}
 
-	return 0;
+	return drm_mode_config_helper_suspend(drm_dev);
 }
 
 static int imx_drm_resume(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
-	struct imx_drm_device *imx_drm;
-
-	if (drm_dev == NULL)
-		return 0;
 
-	imx_drm = drm_dev->dev_private;
-	drm_atomic_helper_resume(drm_dev, imx_drm->state);
-	drm_kms_helper_poll_enable(drm_dev);
-
-	return 0;
+	return drm_mode_config_helper_resume(drm_dev);
 }
 #endif
 
-- 
1.9.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/imx: Convert drm_atomic_helper_suspend/resume()
  2018-07-28 13:05 [PATCH] drm/imx: Convert drm_atomic_helper_suspend/resume() Souptick Joarder
@ 2018-07-31  8:29 ` Philipp Zabel
  2018-07-31  9:23   ` Souptick Joarder
  0 siblings, 1 reply; 3+ messages in thread
From: Philipp Zabel @ 2018-07-31  8:29 UTC (permalink / raw)
  To: Souptick Joarder, airlied, Leonard Crestez
  Cc: dri-devel, linux-kernel, ajitn.linux, daniel

Hi Souptick,

On Sat, 2018-07-28 at 18:35 +0530, Souptick Joarder wrote:
> convert drm_atomic_helper_suspend/resume() to use
> drm_mode_config_helper_suspend/resume().
> 
> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
> Signed-off-by: Ajit Negi <ajitn.linux@gmail.com>

Leonard pointed out earlier [1] that this makes the struct
imx_drm_device superfluous, since imxdrm->state is the only remaining
field and here you are removing its use. Could you remove struct
imx_drm_device as well?

[1] https://patchwork.kernel.org/patch/10531473/

regards
Philipp

> ---
>  drivers/gpu/drm/imx/imx-drm-core.c | 26 ++------------------------
>  1 file changed, 2 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
> index 1d053bb..cdd83ea 100644
> --- a/drivers/gpu/drm/imx/imx-drm-core.c
> +++ b/drivers/gpu/drm/imx/imx-drm-core.c
> @@ -355,37 +355,15 @@ static int imx_drm_platform_remove(struct platform_device *pdev)
>  static int imx_drm_suspend(struct device *dev)
>  {
>  	struct drm_device *drm_dev = dev_get_drvdata(dev);
> -	struct imx_drm_device *imxdrm;
> -
> -	/* The drm_dev is NULL before .load hook is called */
> -	if (drm_dev == NULL)
> -		return 0;
> -
> -	drm_kms_helper_poll_disable(drm_dev);
> -
> -	imxdrm = drm_dev->dev_private;
> -	imxdrm->state = drm_atomic_helper_suspend(drm_dev);
> -	if (IS_ERR(imxdrm->state)) {
> -		drm_kms_helper_poll_enable(drm_dev);
> -		return PTR_ERR(imxdrm->state);
> -	}
>  
> -	return 0;
> +	return drm_mode_config_helper_suspend(drm_dev);
>  }
>  
>  static int imx_drm_resume(struct device *dev)
>  {
>  	struct drm_device *drm_dev = dev_get_drvdata(dev);
> -	struct imx_drm_device *imx_drm;
> -
> -	if (drm_dev == NULL)
> -		return 0;
>  
> -	imx_drm = drm_dev->dev_private;
> -	drm_atomic_helper_resume(drm_dev, imx_drm->state);
> -	drm_kms_helper_poll_enable(drm_dev);
> -
> -	return 0;
> +	return drm_mode_config_helper_resume(drm_dev);
>  }
>  #endif
>  

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/imx: Convert drm_atomic_helper_suspend/resume()
  2018-07-31  8:29 ` Philipp Zabel
@ 2018-07-31  9:23   ` Souptick Joarder
  0 siblings, 0 replies; 3+ messages in thread
From: Souptick Joarder @ 2018-07-31  9:23 UTC (permalink / raw)
  To: Philipp Zabel
  Cc: airlied, Leonard Crestez, dri-devel, linux-kernel, Ajit Linux,
	Daniel Vetter

On Tue, Jul 31, 2018 at 1:59 PM, Philipp Zabel <p.zabel@pengutronix.de> wrote:
> Hi Souptick,
>
> On Sat, 2018-07-28 at 18:35 +0530, Souptick Joarder wrote:
>> convert drm_atomic_helper_suspend/resume() to use
>> drm_mode_config_helper_suspend/resume().
>>
>> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
>> Signed-off-by: Ajit Negi <ajitn.linux@gmail.com>
>
> Leonard pointed out earlier [1] that this makes the struct
> imx_drm_device superfluous, since imxdrm->state is the only remaining
> field and here you are removing its use. Could you remove struct
> imx_drm_device as well?

Sure, Will remove it in v2.
>
> [1] https://patchwork.kernel.org/patch/10531473/
>
> regards
> Philipp
>
>> ---
>>  drivers/gpu/drm/imx/imx-drm-core.c | 26 ++------------------------
>>  1 file changed, 2 insertions(+), 24 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
>> index 1d053bb..cdd83ea 100644
>> --- a/drivers/gpu/drm/imx/imx-drm-core.c
>> +++ b/drivers/gpu/drm/imx/imx-drm-core.c
>> @@ -355,37 +355,15 @@ static int imx_drm_platform_remove(struct platform_device *pdev)
>>  static int imx_drm_suspend(struct device *dev)
>>  {
>>       struct drm_device *drm_dev = dev_get_drvdata(dev);
>> -     struct imx_drm_device *imxdrm;
>> -
>> -     /* The drm_dev is NULL before .load hook is called */
>> -     if (drm_dev == NULL)
>> -             return 0;
>> -
>> -     drm_kms_helper_poll_disable(drm_dev);
>> -
>> -     imxdrm = drm_dev->dev_private;
>> -     imxdrm->state = drm_atomic_helper_suspend(drm_dev);
>> -     if (IS_ERR(imxdrm->state)) {
>> -             drm_kms_helper_poll_enable(drm_dev);
>> -             return PTR_ERR(imxdrm->state);
>> -     }
>>
>> -     return 0;
>> +     return drm_mode_config_helper_suspend(drm_dev);
>>  }
>>
>>  static int imx_drm_resume(struct device *dev)
>>  {
>>       struct drm_device *drm_dev = dev_get_drvdata(dev);
>> -     struct imx_drm_device *imx_drm;
>> -
>> -     if (drm_dev == NULL)
>> -             return 0;
>>
>> -     imx_drm = drm_dev->dev_private;
>> -     drm_atomic_helper_resume(drm_dev, imx_drm->state);
>> -     drm_kms_helper_poll_enable(drm_dev);
>> -
>> -     return 0;
>> +     return drm_mode_config_helper_resume(drm_dev);
>>  }
>>  #endif
>>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-07-31  9:23 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2018-07-28 13:05 [PATCH] drm/imx: Convert drm_atomic_helper_suspend/resume() Souptick Joarder
2018-07-31  8:29 ` Philipp Zabel
2018-07-31  9:23   ` Souptick Joarder

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