2020-12-07 09:07:31

by Tian Tao

[permalink] [raw]
Subject: [PATCH drm/hisilicon v2 0/2] Code refactoring

patch #1 is used drmm_mode_config_init() to do code refactoring.
patch #2 is deleted unused variable ‘priv’ to avoid warning.

Changes since v1:
Remove the unused structure member variable mode_config_initialized.

Tian Tao (2):
drm/hisilicon: Use managed mode-config init
drm/hisilicon: Delete unused local parameters

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 19 ++++---------------
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 1 -
2 files changed, 4 insertions(+), 16 deletions(-)

--
2.7.4


2020-12-07 09:08:54

by Tian Tao

[permalink] [raw]
Subject: [PATCH drm/hisilicon v2 1/2] drm/hisilicon: Use managed mode-config init

Using drmm_mode_config_init() sets up managed release of modesetting
resources.

Signed-off-by: Tian Tao <[email protected]>
---
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 14 +++-----------
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 1 -
2 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 3687753..7f01213 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -96,8 +96,9 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
struct drm_device *dev = &priv->dev;
int ret;

- drm_mode_config_init(dev);
- priv->mode_config_initialized = true;
+ ret = drmm_mode_config_init(dev);
+ if (ret)
+ return ret;

dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
@@ -125,14 +126,6 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
return 0;
}

-static void hibmc_kms_fini(struct hibmc_drm_private *priv)
-{
- if (priv->mode_config_initialized) {
- drm_mode_config_cleanup(&priv->dev);
- priv->mode_config_initialized = false;
- }
-}
-
/*
* It can operate in one of three modes: 0, 1 or Sleep.
*/
@@ -262,7 +255,6 @@ static int hibmc_unload(struct drm_device *dev)
drm_atomic_helper_shutdown(dev);

pci_disable_msi(dev->pdev);
- hibmc_kms_fini(priv);
dev->dev_private = NULL;
return 0;
}
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
index a49c10e..7d263f4 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
@@ -42,7 +42,6 @@ struct hibmc_drm_private {
struct drm_crtc crtc;
struct drm_encoder encoder;
struct hibmc_connector connector;
- bool mode_config_initialized;
};

static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *connector)
--
2.7.4

2020-12-07 09:08:59

by Tian Tao

[permalink] [raw]
Subject: [PATCH drm/hisilicon v2 2/2] drm/hisilicon: Delete unused local parameters

delete unused variable ‘priv’ to avoid warning.

Signed-off-by: Tian Tao <[email protected]>
Reviewed-by: Thomas Zimmermann <[email protected]>
---
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 7f01213..7e91ef1 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -250,12 +250,9 @@ static int hibmc_hw_init(struct hibmc_drm_private *priv)

static int hibmc_unload(struct drm_device *dev)
{
- struct hibmc_drm_private *priv = to_hibmc_drm_private(dev);
-
drm_atomic_helper_shutdown(dev);
-
pci_disable_msi(dev->pdev);
- dev->dev_private = NULL;
+
return 0;
}

--
2.7.4

2020-12-07 09:25:20

by Thomas Zimmermann

[permalink] [raw]
Subject: Re: [PATCH drm/hisilicon v2 1/2] drm/hisilicon: Use managed mode-config init

Hi

Am 07.12.20 um 10:05 schrieb Tian Tao:
> Using drmm_mode_config_init() sets up managed release of modesetting
> resources.
>

Individual patches usually contain a changelog to highlight the
difference to previous versions. Please add one before committing the
patch. Your cover letter for the series already does this correctly.

> Signed-off-by: Tian Tao <[email protected]>

Reviewed-by: Thomas Zimmermann <[email protected]>

Thanks for all these updates.

> ---
> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 14 +++-----------
> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 1 -
> 2 files changed, 3 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index 3687753..7f01213 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -96,8 +96,9 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
> struct drm_device *dev = &priv->dev;
> int ret;
>
> - drm_mode_config_init(dev);
> - priv->mode_config_initialized = true;
> + ret = drmm_mode_config_init(dev);
> + if (ret)
> + return ret;
>
> dev->mode_config.min_width = 0;
> dev->mode_config.min_height = 0;
> @@ -125,14 +126,6 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
> return 0;
> }
>
> -static void hibmc_kms_fini(struct hibmc_drm_private *priv)
> -{
> - if (priv->mode_config_initialized) {
> - drm_mode_config_cleanup(&priv->dev);
> - priv->mode_config_initialized = false;
> - }
> -}
> -
> /*
> * It can operate in one of three modes: 0, 1 or Sleep.
> */
> @@ -262,7 +255,6 @@ static int hibmc_unload(struct drm_device *dev)
> drm_atomic_helper_shutdown(dev);
>
> pci_disable_msi(dev->pdev);
> - hibmc_kms_fini(priv);
> dev->dev_private = NULL;
> return 0;
> }
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> index a49c10e..7d263f4 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> @@ -42,7 +42,6 @@ struct hibmc_drm_private {
> struct drm_crtc crtc;
> struct drm_encoder encoder;
> struct hibmc_connector connector;
> - bool mode_config_initialized;
> };
>
> static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *connector)
>

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer


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2020-12-07 09:35:41

by tiantao (H)

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Subject: Re: [PATCH drm/hisilicon v2 1/2] drm/hisilicon: Use managed mode-config init



在 2020/12/7 17:22, Thomas Zimmermann 写道:
> Hi
>
> Am 07.12.20 um 10:05 schrieb Tian Tao:
>> Using drmm_mode_config_init() sets up managed release of modesetting
>> resources.
>>
>
> Individual patches usually contain a changelog to highlight the
> difference to previous versions. Please add one before committing the

Just to be sure: I don't need to add a changlog to this individual
patch, right?

> patch.  Your cover letter for the series already does this correctly.
>
>> Signed-off-by: Tian Tao <[email protected]>
>
> Reviewed-by: Thomas Zimmermann <[email protected]>
>
> Thanks for all these updates.

Thank you for your constant help with the review code and your careful
guidance!

>
>> ---
>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 14 +++-----------
>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h |  1 -
>>   2 files changed, 3 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> index 3687753..7f01213 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> @@ -96,8 +96,9 @@ static int hibmc_kms_init(struct hibmc_drm_private
>> *priv)
>>       struct drm_device *dev = &priv->dev;
>>       int ret;
>> -    drm_mode_config_init(dev);
>> -    priv->mode_config_initialized = true;
>> +    ret = drmm_mode_config_init(dev);
>> +    if (ret)
>> +        return ret;
>>       dev->mode_config.min_width = 0;
>>       dev->mode_config.min_height = 0;
>> @@ -125,14 +126,6 @@ static int hibmc_kms_init(struct
>> hibmc_drm_private *priv)
>>       return 0;
>>   }
>> -static void hibmc_kms_fini(struct hibmc_drm_private *priv)
>> -{
>> -    if (priv->mode_config_initialized) {
>> -        drm_mode_config_cleanup(&priv->dev);
>> -        priv->mode_config_initialized = false;
>> -    }
>> -}
>> -
>>   /*
>>    * It can operate in one of three modes: 0, 1 or Sleep.
>>    */
>> @@ -262,7 +255,6 @@ static int hibmc_unload(struct drm_device *dev)
>>       drm_atomic_helper_shutdown(dev);
>>       pci_disable_msi(dev->pdev);
>> -    hibmc_kms_fini(priv);
>>       dev->dev_private = NULL;
>>       return 0;
>>   }
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> index a49c10e..7d263f4 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> @@ -42,7 +42,6 @@ struct hibmc_drm_private {
>>       struct drm_crtc crtc;
>>       struct drm_encoder encoder;
>>       struct hibmc_connector connector;
>> -    bool mode_config_initialized;
>>   };
>>   static inline struct hibmc_connector *to_hibmc_connector(struct
>> drm_connector *connector)
>>
>

2020-12-07 09:56:26

by Thomas Zimmermann

[permalink] [raw]
Subject: Re: [PATCH drm/hisilicon v2 1/2] drm/hisilicon: Use managed mode-config init

Hi

Am 07.12.20 um 10:29 schrieb tiantao (H):
>
>
> 在 2020/12/7 17:22, Thomas Zimmermann 写道:
>> Hi
>>
>> Am 07.12.20 um 10:05 schrieb Tian Tao:
>>> Using drmm_mode_config_init() sets up managed release of modesetting
>>> resources.
>>>
>>
>> Individual patches usually contain a changelog to highlight the
>> difference to previous versions. Please add one before committing the
>
> Just to be sure: I don't need to add a changlog to this individual
> patch, right?

You should. It's supposed to be good style to add a changelog for each
patch and also highlight the series' overall changes in the cover letter.

Best regards
Thomas

>
>> patch.  Your cover letter for the series already does this correctly.
>>
>>> Signed-off-by: Tian Tao <[email protected]>
>>
>> Reviewed-by: Thomas Zimmermann <[email protected]>
>>
>> Thanks for all these updates.
>
> Thank you for your constant help with the review code and your careful
> guidance!
>
>>
>>> ---
>>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 14 +++-----------
>>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h |  1 -
>>>   2 files changed, 3 insertions(+), 12 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>>> index 3687753..7f01213 100644
>>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>>> @@ -96,8 +96,9 @@ static int hibmc_kms_init(struct hibmc_drm_private
>>> *priv)
>>>       struct drm_device *dev = &priv->dev;
>>>       int ret;
>>> -    drm_mode_config_init(dev);
>>> -    priv->mode_config_initialized = true;
>>> +    ret = drmm_mode_config_init(dev);
>>> +    if (ret)
>>> +        return ret;
>>>       dev->mode_config.min_width = 0;
>>>       dev->mode_config.min_height = 0;
>>> @@ -125,14 +126,6 @@ static int hibmc_kms_init(struct
>>> hibmc_drm_private *priv)
>>>       return 0;
>>>   }
>>> -static void hibmc_kms_fini(struct hibmc_drm_private *priv)
>>> -{
>>> -    if (priv->mode_config_initialized) {
>>> -        drm_mode_config_cleanup(&priv->dev);
>>> -        priv->mode_config_initialized = false;
>>> -    }
>>> -}
>>> -
>>>   /*
>>>    * It can operate in one of three modes: 0, 1 or Sleep.
>>>    */
>>> @@ -262,7 +255,6 @@ static int hibmc_unload(struct drm_device *dev)
>>>       drm_atomic_helper_shutdown(dev);
>>>       pci_disable_msi(dev->pdev);
>>> -    hibmc_kms_fini(priv);
>>>       dev->dev_private = NULL;
>>>       return 0;
>>>   }
>>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>>> index a49c10e..7d263f4 100644
>>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>>> @@ -42,7 +42,6 @@ struct hibmc_drm_private {
>>>       struct drm_crtc crtc;
>>>       struct drm_encoder encoder;
>>>       struct hibmc_connector connector;
>>> -    bool mode_config_initialized;
>>>   };
>>>   static inline struct hibmc_connector *to_hibmc_connector(struct
>>> drm_connector *connector)
>>>
>>
>

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer


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