[drm/hisilicon,1/3] drm/hisilicon: Code refactoring for hibmc_drm_drv
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Message ID 1606898835-40775-2-git-send-email-tiantao6@hisilicon.com
State New, archived
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Series
  • Add the new api to install irq
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Commit Message

Tian Tao Dec. 2, 2020, 8:47 a.m. UTC
Use the devm_drm_dev_alloc provided by the drm framework to alloc
a structure hibmc_drm_private.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c   |  2 +-
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c  | 46 +++++++++++-------------
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h  |  4 +--
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c |  2 +-
 drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c      |  8 +++--
 5 files changed, 30 insertions(+), 32 deletions(-)

Comments

Thomas Zimmermann Dec. 2, 2020, 9:02 a.m. UTC | #1
Am 02.12.20 um 09:47 schrieb Tian Tao:
> Use the devm_drm_dev_alloc provided by the drm framework to alloc
> a structure hibmc_drm_private.
> 
> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>

This looks good now. Thanks for sticking to it.

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c   |  2 +-
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c  | 46 +++++++++++-------------
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h  |  4 +--
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c |  2 +-
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c      |  8 +++--
>   5 files changed, 30 insertions(+), 32 deletions(-)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> index ea962ac..096eea9 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> @@ -499,7 +499,7 @@ static const struct drm_crtc_helper_funcs hibmc_crtc_helper_funcs = {
>   
>   int hibmc_de_init(struct hibmc_drm_private *priv)
>   {
> -	struct drm_device *dev = priv->dev;
> +	struct drm_device *dev = &priv->dev;
>   	struct drm_crtc *crtc = &priv->crtc;
>   	struct drm_plane *plane = &priv->primary_plane;
>   	int ret;
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index d845657..13e8a28 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -79,31 +79,32 @@ static const struct dev_pm_ops hibmc_pm_ops = {
>   
>   static int hibmc_kms_init(struct hibmc_drm_private *priv)
>   {
> +	struct drm_device *dev = &priv->dev;
>   	int ret;
>   
> -	drm_mode_config_init(priv->dev);
> +	drm_mode_config_init(dev);
>   	priv->mode_config_initialized = true;
>   
> -	priv->dev->mode_config.min_width = 0;
> -	priv->dev->mode_config.min_height = 0;
> -	priv->dev->mode_config.max_width = 1920;
> -	priv->dev->mode_config.max_height = 1200;
> +	dev->mode_config.min_width = 0;
> +	dev->mode_config.min_height = 0;
> +	dev->mode_config.max_width = 1920;
> +	dev->mode_config.max_height = 1200;
>   
> -	priv->dev->mode_config.fb_base = priv->fb_base;
> -	priv->dev->mode_config.preferred_depth = 32;
> -	priv->dev->mode_config.prefer_shadow = 1;
> +	dev->mode_config.fb_base = priv->fb_base;
> +	dev->mode_config.preferred_depth = 32;
> +	dev->mode_config.prefer_shadow = 1;
>   
> -	priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
> +	dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
>   
>   	ret = hibmc_de_init(priv);
>   	if (ret) {
> -		drm_err(priv->dev, "failed to init de: %d\n", ret);
> +		drm_err(dev, "failed to init de: %d\n", ret);
>   		return ret;
>   	}
>   
>   	ret = hibmc_vdac_init(priv);
>   	if (ret) {
> -		drm_err(priv->dev, "failed to init vdac: %d\n", ret);
> +		drm_err(dev, "failed to init vdac: %d\n", ret);
>   		return ret;
>   	}
>   
> @@ -113,7 +114,7 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
>   static void hibmc_kms_fini(struct hibmc_drm_private *priv)
>   {
>   	if (priv->mode_config_initialized) {
> -		drm_mode_config_cleanup(priv->dev);
> +		drm_mode_config_cleanup(&priv->dev);
>   		priv->mode_config_initialized = false;
>   	}
>   }
> @@ -202,7 +203,7 @@ static void hibmc_hw_config(struct hibmc_drm_private *priv)
>   
>   static int hibmc_hw_map(struct hibmc_drm_private *priv)
>   {
> -	struct drm_device *dev = priv->dev;
> +	struct drm_device *dev = &priv->dev;
>   	struct pci_dev *pdev = dev->pdev;
>   	resource_size_t addr, size, ioaddr, iosize;
>   
> @@ -258,17 +259,9 @@ static int hibmc_unload(struct drm_device *dev)
>   
>   static int hibmc_load(struct drm_device *dev)
>   {
> -	struct hibmc_drm_private *priv;
> +	struct hibmc_drm_private *priv = to_hibmc_drm_private(dev);
>   	int ret;
>   
> -	priv = drmm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> -	if (!priv) {
> -		drm_err(dev, "no memory to allocate for hibmc_drm_private\n");
> -		return -ENOMEM;
> -	}
> -	dev->dev_private = priv;
> -	priv->dev = dev;
> -
>   	ret = hibmc_hw_init(priv);
>   	if (ret)
>   		goto err;
> @@ -310,6 +303,7 @@ static int hibmc_load(struct drm_device *dev)
>   static int hibmc_pci_probe(struct pci_dev *pdev,
>   			   const struct pci_device_id *ent)
>   {
> +	struct hibmc_drm_private *priv;
>   	struct drm_device *dev;
>   	int ret;
>   
> @@ -318,12 +312,14 @@ static int hibmc_pci_probe(struct pci_dev *pdev,
>   	if (ret)
>   		return ret;
>   
> -	dev = drm_dev_alloc(&hibmc_driver, &pdev->dev);
> -	if (IS_ERR(dev)) {
> +	priv = devm_drm_dev_alloc(&pdev->dev, &hibmc_driver,
> +				  struct hibmc_drm_private, dev);
> +	if (IS_ERR(priv)) {
>   		DRM_ERROR("failed to allocate drm_device\n");
> -		return PTR_ERR(dev);
> +		return PTR_ERR(priv);
>   	}
>   
> +	dev = &priv->dev;
>   	dev->pdev = pdev;
>   	pci_set_drvdata(pdev, dev);
>   
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> index f310a83..7e0c756 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> @@ -37,7 +37,7 @@ struct hibmc_drm_private {
>   	resource_size_t  fb_size;
>   
>   	/* drm */
> -	struct drm_device  *dev;
> +	struct drm_device dev;
>   	struct drm_plane primary_plane;
>   	struct drm_crtc crtc;
>   	struct drm_encoder encoder;
> @@ -52,7 +52,7 @@ static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *c
>   
>   static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
>   {
> -	return dev->dev_private;
> +	return container_of(dev, struct hibmc_drm_private, dev);
>   }
>   
>   void hibmc_set_power_mode(struct hibmc_drm_private *priv,
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> index 74e26c2..d35548d 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> @@ -96,7 +96,7 @@ static const struct drm_encoder_funcs hibmc_encoder_funcs = {
>   
>   int hibmc_vdac_init(struct hibmc_drm_private *priv)
>   {
> -	struct drm_device *dev = priv->dev;
> +	struct drm_device *dev = &priv->dev;
>   	struct hibmc_connector *hibmc_connector = &priv->connector;
>   	struct drm_encoder *encoder = &priv->encoder;
>   	struct drm_connector *connector = &hibmc_connector->base;
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
> index 602ece1..e84fb81 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
> @@ -25,7 +25,7 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc)
>   {
>   	struct drm_vram_mm *vmm;
>   	int ret;
> -	struct drm_device *dev = hibmc->dev;
> +	struct drm_device *dev = &hibmc->dev;
>   
>   	vmm = drm_vram_helper_alloc_mm(dev,
>   				       pci_resource_start(dev->pdev, 0),
> @@ -41,10 +41,12 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc)
>   
>   void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
>   {
> -	if (!hibmc->dev->vram_mm)
> +	struct drm_device *dev = &hibmc->dev;
> +
> +	if (!dev->vram_mm)
>   		return;
>   
> -	drm_vram_helper_release_mm(hibmc->dev);
> +	drm_vram_helper_release_mm(dev);
>   }
>   
>   int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
>
tiantao (H) Dec. 2, 2020, 9:27 a.m. UTC | #2
Hi

在 2020/12/2 17:02, Thomas Zimmermann 写道:
> 
> 
> Am 02.12.20 um 09:47 schrieb Tian Tao:
>> Use the devm_drm_dev_alloc provided by the drm framework to alloc
>> a structure hibmc_drm_private.
>>
>> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
> 
> This looks good now. Thanks for sticking to it.
> 

Thank you for your continued patience and guidance.

> Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
> 
>> ---
>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c   |  2 +-
>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c  | 46 
>> +++++++++++-------------
>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h  |  4 +--
>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c |  2 +-
>>   drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c      |  8 +++--
>>   5 files changed, 30 insertions(+), 32 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c 
>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
>> index ea962ac..096eea9 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
>> @@ -499,7 +499,7 @@ static const struct drm_crtc_helper_funcs 
>> hibmc_crtc_helper_funcs = {
>>   int hibmc_de_init(struct hibmc_drm_private *priv)
>>   {
>> -    struct drm_device *dev = priv->dev;
>> +    struct drm_device *dev = &priv->dev;
>>       struct drm_crtc *crtc = &priv->crtc;
>>       struct drm_plane *plane = &priv->primary_plane;
>>       int ret;
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c 
>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> index d845657..13e8a28 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>> @@ -79,31 +79,32 @@ static const struct dev_pm_ops hibmc_pm_ops = {
>>   static int hibmc_kms_init(struct hibmc_drm_private *priv)
>>   {
>> +    struct drm_device *dev = &priv->dev;
>>       int ret;
>> -    drm_mode_config_init(priv->dev);
>> +    drm_mode_config_init(dev);
>>       priv->mode_config_initialized = true;
>> -    priv->dev->mode_config.min_width = 0;
>> -    priv->dev->mode_config.min_height = 0;
>> -    priv->dev->mode_config.max_width = 1920;
>> -    priv->dev->mode_config.max_height = 1200;
>> +    dev->mode_config.min_width = 0;
>> +    dev->mode_config.min_height = 0;
>> +    dev->mode_config.max_width = 1920;
>> +    dev->mode_config.max_height = 1200;
>> -    priv->dev->mode_config.fb_base = priv->fb_base;
>> -    priv->dev->mode_config.preferred_depth = 32;
>> -    priv->dev->mode_config.prefer_shadow = 1;
>> +    dev->mode_config.fb_base = priv->fb_base;
>> +    dev->mode_config.preferred_depth = 32;
>> +    dev->mode_config.prefer_shadow = 1;
>> -    priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
>> +    dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
>>       ret = hibmc_de_init(priv);
>>       if (ret) {
>> -        drm_err(priv->dev, "failed to init de: %d\n", ret);
>> +        drm_err(dev, "failed to init de: %d\n", ret);
>>           return ret;
>>       }
>>       ret = hibmc_vdac_init(priv);
>>       if (ret) {
>> -        drm_err(priv->dev, "failed to init vdac: %d\n", ret);
>> +        drm_err(dev, "failed to init vdac: %d\n", ret);
>>           return ret;
>>       }
>> @@ -113,7 +114,7 @@ static int hibmc_kms_init(struct hibmc_drm_private 
>> *priv)
>>   static void hibmc_kms_fini(struct hibmc_drm_private *priv)
>>   {
>>       if (priv->mode_config_initialized) {
>> -        drm_mode_config_cleanup(priv->dev);
>> +        drm_mode_config_cleanup(&priv->dev);
>>           priv->mode_config_initialized = false;
>>       }
>>   }
>> @@ -202,7 +203,7 @@ static void hibmc_hw_config(struct 
>> hibmc_drm_private *priv)
>>   static int hibmc_hw_map(struct hibmc_drm_private *priv)
>>   {
>> -    struct drm_device *dev = priv->dev;
>> +    struct drm_device *dev = &priv->dev;
>>       struct pci_dev *pdev = dev->pdev;
>>       resource_size_t addr, size, ioaddr, iosize;
>> @@ -258,17 +259,9 @@ static int hibmc_unload(struct drm_device *dev)
>>   static int hibmc_load(struct drm_device *dev)
>>   {
>> -    struct hibmc_drm_private *priv;
>> +    struct hibmc_drm_private *priv = to_hibmc_drm_private(dev);
>>       int ret;
>> -    priv = drmm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
>> -    if (!priv) {
>> -        drm_err(dev, "no memory to allocate for hibmc_drm_private\n");
>> -        return -ENOMEM;
>> -    }
>> -    dev->dev_private = priv;
>> -    priv->dev = dev;
>> -
>>       ret = hibmc_hw_init(priv);
>>       if (ret)
>>           goto err;
>> @@ -310,6 +303,7 @@ static int hibmc_load(struct drm_device *dev)
>>   static int hibmc_pci_probe(struct pci_dev *pdev,
>>                  const struct pci_device_id *ent)
>>   {
>> +    struct hibmc_drm_private *priv;
>>       struct drm_device *dev;
>>       int ret;
>> @@ -318,12 +312,14 @@ static int hibmc_pci_probe(struct pci_dev *pdev,
>>       if (ret)
>>           return ret;
>> -    dev = drm_dev_alloc(&hibmc_driver, &pdev->dev);
>> -    if (IS_ERR(dev)) {
>> +    priv = devm_drm_dev_alloc(&pdev->dev, &hibmc_driver,
>> +                  struct hibmc_drm_private, dev);
>> +    if (IS_ERR(priv)) {
>>           DRM_ERROR("failed to allocate drm_device\n");
>> -        return PTR_ERR(dev);
>> +        return PTR_ERR(priv);
>>       }
>> +    dev = &priv->dev;
>>       dev->pdev = pdev;
>>       pci_set_drvdata(pdev, dev);
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h 
>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> index f310a83..7e0c756 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>> @@ -37,7 +37,7 @@ struct hibmc_drm_private {
>>       resource_size_t  fb_size;
>>       /* drm */
>> -    struct drm_device  *dev;
>> +    struct drm_device dev;
>>       struct drm_plane primary_plane;
>>       struct drm_crtc crtc;
>>       struct drm_encoder encoder;
>> @@ -52,7 +52,7 @@ static inline struct hibmc_connector 
>> *to_hibmc_connector(struct drm_connector *c
>>   static inline struct hibmc_drm_private *to_hibmc_drm_private(struct 
>> drm_device *dev)
>>   {
>> -    return dev->dev_private;
>> +    return container_of(dev, struct hibmc_drm_private, dev);
>>   }
>>   void hibmc_set_power_mode(struct hibmc_drm_private *priv,
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c 
>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
>> index 74e26c2..d35548d 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
>> @@ -96,7 +96,7 @@ static const struct drm_encoder_funcs 
>> hibmc_encoder_funcs = {
>>   int hibmc_vdac_init(struct hibmc_drm_private *priv)
>>   {
>> -    struct drm_device *dev = priv->dev;
>> +    struct drm_device *dev = &priv->dev;
>>       struct hibmc_connector *hibmc_connector = &priv->connector;
>>       struct drm_encoder *encoder = &priv->encoder;
>>       struct drm_connector *connector = &hibmc_connector->base;
>> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c 
>> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
>> index 602ece1..e84fb81 100644
>> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
>> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
>> @@ -25,7 +25,7 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc)
>>   {
>>       struct drm_vram_mm *vmm;
>>       int ret;
>> -    struct drm_device *dev = hibmc->dev;
>> +    struct drm_device *dev = &hibmc->dev;
>>       vmm = drm_vram_helper_alloc_mm(dev,
>>                          pci_resource_start(dev->pdev, 0),
>> @@ -41,10 +41,12 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc)
>>   void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
>>   {
>> -    if (!hibmc->dev->vram_mm)
>> +    struct drm_device *dev = &hibmc->dev;
>> +
>> +    if (!dev->vram_mm)
>>           return;
>> -    drm_vram_helper_release_mm(hibmc->dev);
>> +    drm_vram_helper_release_mm(dev);
>>   }
>>   int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
>>
>
Daniel Vetter Dec. 21, 2020, 10:03 p.m. UTC | #3
On Wed, Dec 2, 2020 at 10:02 AM Thomas Zimmermann <tzimmermann@suse.de> wrote:
>
>
>
> Am 02.12.20 um 09:47 schrieb Tian Tao:
> > Use the devm_drm_dev_alloc provided by the drm framework to alloc
> > a structure hibmc_drm_private.
> >
> > Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
>
> This looks good now. Thanks for sticking to it.
>
> Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

For the future: devm_drm_dev_alloc means no more explicit drm_dev_put
in error and unload paths. This patch didn't remove these, so needs to
be fixed up with a follow up patch.
-Daniel

>
> > ---
> >   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c   |  2 +-
> >   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c  | 46 +++++++++++-------------
> >   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h  |  4 +--
> >   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c |  2 +-
> >   drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c      |  8 +++--
> >   5 files changed, 30 insertions(+), 32 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> > index ea962ac..096eea9 100644
> > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> > @@ -499,7 +499,7 @@ static const struct drm_crtc_helper_funcs hibmc_crtc_helper_funcs = {
> >
> >   int hibmc_de_init(struct hibmc_drm_private *priv)
> >   {
> > -     struct drm_device *dev = priv->dev;
> > +     struct drm_device *dev = &priv->dev;
> >       struct drm_crtc *crtc = &priv->crtc;
> >       struct drm_plane *plane = &priv->primary_plane;
> >       int ret;
> > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> > index d845657..13e8a28 100644
> > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> > @@ -79,31 +79,32 @@ static const struct dev_pm_ops hibmc_pm_ops = {
> >
> >   static int hibmc_kms_init(struct hibmc_drm_private *priv)
> >   {
> > +     struct drm_device *dev = &priv->dev;
> >       int ret;
> >
> > -     drm_mode_config_init(priv->dev);
> > +     drm_mode_config_init(dev);
> >       priv->mode_config_initialized = true;
> >
> > -     priv->dev->mode_config.min_width = 0;
> > -     priv->dev->mode_config.min_height = 0;
> > -     priv->dev->mode_config.max_width = 1920;
> > -     priv->dev->mode_config.max_height = 1200;
> > +     dev->mode_config.min_width = 0;
> > +     dev->mode_config.min_height = 0;
> > +     dev->mode_config.max_width = 1920;
> > +     dev->mode_config.max_height = 1200;
> >
> > -     priv->dev->mode_config.fb_base = priv->fb_base;
> > -     priv->dev->mode_config.preferred_depth = 32;
> > -     priv->dev->mode_config.prefer_shadow = 1;
> > +     dev->mode_config.fb_base = priv->fb_base;
> > +     dev->mode_config.preferred_depth = 32;
> > +     dev->mode_config.prefer_shadow = 1;
> >
> > -     priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
> > +     dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
> >
> >       ret = hibmc_de_init(priv);
> >       if (ret) {
> > -             drm_err(priv->dev, "failed to init de: %d\n", ret);
> > +             drm_err(dev, "failed to init de: %d\n", ret);
> >               return ret;
> >       }
> >
> >       ret = hibmc_vdac_init(priv);
> >       if (ret) {
> > -             drm_err(priv->dev, "failed to init vdac: %d\n", ret);
> > +             drm_err(dev, "failed to init vdac: %d\n", ret);
> >               return ret;
> >       }
> >
> > @@ -113,7 +114,7 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
> >   static void hibmc_kms_fini(struct hibmc_drm_private *priv)
> >   {
> >       if (priv->mode_config_initialized) {
> > -             drm_mode_config_cleanup(priv->dev);
> > +             drm_mode_config_cleanup(&priv->dev);
> >               priv->mode_config_initialized = false;
> >       }
> >   }
> > @@ -202,7 +203,7 @@ static void hibmc_hw_config(struct hibmc_drm_private *priv)
> >
> >   static int hibmc_hw_map(struct hibmc_drm_private *priv)
> >   {
> > -     struct drm_device *dev = priv->dev;
> > +     struct drm_device *dev = &priv->dev;
> >       struct pci_dev *pdev = dev->pdev;
> >       resource_size_t addr, size, ioaddr, iosize;
> >
> > @@ -258,17 +259,9 @@ static int hibmc_unload(struct drm_device *dev)
> >
> >   static int hibmc_load(struct drm_device *dev)
> >   {
> > -     struct hibmc_drm_private *priv;
> > +     struct hibmc_drm_private *priv = to_hibmc_drm_private(dev);
> >       int ret;
> >
> > -     priv = drmm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> > -     if (!priv) {
> > -             drm_err(dev, "no memory to allocate for hibmc_drm_private\n");
> > -             return -ENOMEM;
> > -     }
> > -     dev->dev_private = priv;
> > -     priv->dev = dev;
> > -
> >       ret = hibmc_hw_init(priv);
> >       if (ret)
> >               goto err;
> > @@ -310,6 +303,7 @@ static int hibmc_load(struct drm_device *dev)
> >   static int hibmc_pci_probe(struct pci_dev *pdev,
> >                          const struct pci_device_id *ent)
> >   {
> > +     struct hibmc_drm_private *priv;
> >       struct drm_device *dev;
> >       int ret;
> >
> > @@ -318,12 +312,14 @@ static int hibmc_pci_probe(struct pci_dev *pdev,
> >       if (ret)
> >               return ret;
> >
> > -     dev = drm_dev_alloc(&hibmc_driver, &pdev->dev);
> > -     if (IS_ERR(dev)) {
> > +     priv = devm_drm_dev_alloc(&pdev->dev, &hibmc_driver,
> > +                               struct hibmc_drm_private, dev);
> > +     if (IS_ERR(priv)) {
> >               DRM_ERROR("failed to allocate drm_device\n");
> > -             return PTR_ERR(dev);
> > +             return PTR_ERR(priv);
> >       }
> >
> > +     dev = &priv->dev;
> >       dev->pdev = pdev;
> >       pci_set_drvdata(pdev, dev);
> >
> > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> > index f310a83..7e0c756 100644
> > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> > @@ -37,7 +37,7 @@ struct hibmc_drm_private {
> >       resource_size_t  fb_size;
> >
> >       /* drm */
> > -     struct drm_device  *dev;
> > +     struct drm_device dev;
> >       struct drm_plane primary_plane;
> >       struct drm_crtc crtc;
> >       struct drm_encoder encoder;
> > @@ -52,7 +52,7 @@ static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *c
> >
> >   static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
> >   {
> > -     return dev->dev_private;
> > +     return container_of(dev, struct hibmc_drm_private, dev);
> >   }
> >
> >   void hibmc_set_power_mode(struct hibmc_drm_private *priv,
> > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> > index 74e26c2..d35548d 100644
> > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> > @@ -96,7 +96,7 @@ static const struct drm_encoder_funcs hibmc_encoder_funcs = {
> >
> >   int hibmc_vdac_init(struct hibmc_drm_private *priv)
> >   {
> > -     struct drm_device *dev = priv->dev;
> > +     struct drm_device *dev = &priv->dev;
> >       struct hibmc_connector *hibmc_connector = &priv->connector;
> >       struct drm_encoder *encoder = &priv->encoder;
> >       struct drm_connector *connector = &hibmc_connector->base;
> > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
> > index 602ece1..e84fb81 100644
> > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
> > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
> > @@ -25,7 +25,7 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc)
> >   {
> >       struct drm_vram_mm *vmm;
> >       int ret;
> > -     struct drm_device *dev = hibmc->dev;
> > +     struct drm_device *dev = &hibmc->dev;
> >
> >       vmm = drm_vram_helper_alloc_mm(dev,
> >                                      pci_resource_start(dev->pdev, 0),
> > @@ -41,10 +41,12 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc)
> >
> >   void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
> >   {
> > -     if (!hibmc->dev->vram_mm)
> > +     struct drm_device *dev = &hibmc->dev;
> > +
> > +     if (!dev->vram_mm)
> >               return;
> >
> > -     drm_vram_helper_release_mm(hibmc->dev);
> > +     drm_vram_helper_release_mm(dev);
> >   }
> >
> >   int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
> >
>
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Maxfeldstr. 5, 90409 Nürnberg, Germany
> (HRB 36809, AG Nürnberg)
> Geschäftsführer: Felix Imendörffer
>

Patch
diff mbox series

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
index ea962ac..096eea9 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
@@ -499,7 +499,7 @@  static const struct drm_crtc_helper_funcs hibmc_crtc_helper_funcs = {
 
 int hibmc_de_init(struct hibmc_drm_private *priv)
 {
-	struct drm_device *dev = priv->dev;
+	struct drm_device *dev = &priv->dev;
 	struct drm_crtc *crtc = &priv->crtc;
 	struct drm_plane *plane = &priv->primary_plane;
 	int ret;
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index d845657..13e8a28 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -79,31 +79,32 @@  static const struct dev_pm_ops hibmc_pm_ops = {
 
 static int hibmc_kms_init(struct hibmc_drm_private *priv)
 {
+	struct drm_device *dev = &priv->dev;
 	int ret;
 
-	drm_mode_config_init(priv->dev);
+	drm_mode_config_init(dev);
 	priv->mode_config_initialized = true;
 
-	priv->dev->mode_config.min_width = 0;
-	priv->dev->mode_config.min_height = 0;
-	priv->dev->mode_config.max_width = 1920;
-	priv->dev->mode_config.max_height = 1200;
+	dev->mode_config.min_width = 0;
+	dev->mode_config.min_height = 0;
+	dev->mode_config.max_width = 1920;
+	dev->mode_config.max_height = 1200;
 
-	priv->dev->mode_config.fb_base = priv->fb_base;
-	priv->dev->mode_config.preferred_depth = 32;
-	priv->dev->mode_config.prefer_shadow = 1;
+	dev->mode_config.fb_base = priv->fb_base;
+	dev->mode_config.preferred_depth = 32;
+	dev->mode_config.prefer_shadow = 1;
 
-	priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
+	dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
 
 	ret = hibmc_de_init(priv);
 	if (ret) {
-		drm_err(priv->dev, "failed to init de: %d\n", ret);
+		drm_err(dev, "failed to init de: %d\n", ret);
 		return ret;
 	}
 
 	ret = hibmc_vdac_init(priv);
 	if (ret) {
-		drm_err(priv->dev, "failed to init vdac: %d\n", ret);
+		drm_err(dev, "failed to init vdac: %d\n", ret);
 		return ret;
 	}
 
@@ -113,7 +114,7 @@  static int hibmc_kms_init(struct hibmc_drm_private *priv)
 static void hibmc_kms_fini(struct hibmc_drm_private *priv)
 {
 	if (priv->mode_config_initialized) {
-		drm_mode_config_cleanup(priv->dev);
+		drm_mode_config_cleanup(&priv->dev);
 		priv->mode_config_initialized = false;
 	}
 }
@@ -202,7 +203,7 @@  static void hibmc_hw_config(struct hibmc_drm_private *priv)
 
 static int hibmc_hw_map(struct hibmc_drm_private *priv)
 {
-	struct drm_device *dev = priv->dev;
+	struct drm_device *dev = &priv->dev;
 	struct pci_dev *pdev = dev->pdev;
 	resource_size_t addr, size, ioaddr, iosize;
 
@@ -258,17 +259,9 @@  static int hibmc_unload(struct drm_device *dev)
 
 static int hibmc_load(struct drm_device *dev)
 {
-	struct hibmc_drm_private *priv;
+	struct hibmc_drm_private *priv = to_hibmc_drm_private(dev);
 	int ret;
 
-	priv = drmm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv) {
-		drm_err(dev, "no memory to allocate for hibmc_drm_private\n");
-		return -ENOMEM;
-	}
-	dev->dev_private = priv;
-	priv->dev = dev;
-
 	ret = hibmc_hw_init(priv);
 	if (ret)
 		goto err;
@@ -310,6 +303,7 @@  static int hibmc_load(struct drm_device *dev)
 static int hibmc_pci_probe(struct pci_dev *pdev,
 			   const struct pci_device_id *ent)
 {
+	struct hibmc_drm_private *priv;
 	struct drm_device *dev;
 	int ret;
 
@@ -318,12 +312,14 @@  static int hibmc_pci_probe(struct pci_dev *pdev,
 	if (ret)
 		return ret;
 
-	dev = drm_dev_alloc(&hibmc_driver, &pdev->dev);
-	if (IS_ERR(dev)) {
+	priv = devm_drm_dev_alloc(&pdev->dev, &hibmc_driver,
+				  struct hibmc_drm_private, dev);
+	if (IS_ERR(priv)) {
 		DRM_ERROR("failed to allocate drm_device\n");
-		return PTR_ERR(dev);
+		return PTR_ERR(priv);
 	}
 
+	dev = &priv->dev;
 	dev->pdev = pdev;
 	pci_set_drvdata(pdev, dev);
 
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
index f310a83..7e0c756 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
@@ -37,7 +37,7 @@  struct hibmc_drm_private {
 	resource_size_t  fb_size;
 
 	/* drm */
-	struct drm_device  *dev;
+	struct drm_device dev;
 	struct drm_plane primary_plane;
 	struct drm_crtc crtc;
 	struct drm_encoder encoder;
@@ -52,7 +52,7 @@  static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *c
 
 static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
 {
-	return dev->dev_private;
+	return container_of(dev, struct hibmc_drm_private, dev);
 }
 
 void hibmc_set_power_mode(struct hibmc_drm_private *priv,
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
index 74e26c2..d35548d 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
@@ -96,7 +96,7 @@  static const struct drm_encoder_funcs hibmc_encoder_funcs = {
 
 int hibmc_vdac_init(struct hibmc_drm_private *priv)
 {
-	struct drm_device *dev = priv->dev;
+	struct drm_device *dev = &priv->dev;
 	struct hibmc_connector *hibmc_connector = &priv->connector;
 	struct drm_encoder *encoder = &priv->encoder;
 	struct drm_connector *connector = &hibmc_connector->base;
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
index 602ece1..e84fb81 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
@@ -25,7 +25,7 @@  int hibmc_mm_init(struct hibmc_drm_private *hibmc)
 {
 	struct drm_vram_mm *vmm;
 	int ret;
-	struct drm_device *dev = hibmc->dev;
+	struct drm_device *dev = &hibmc->dev;
 
 	vmm = drm_vram_helper_alloc_mm(dev,
 				       pci_resource_start(dev->pdev, 0),
@@ -41,10 +41,12 @@  int hibmc_mm_init(struct hibmc_drm_private *hibmc)
 
 void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
 {
-	if (!hibmc->dev->vram_mm)
+	struct drm_device *dev = &hibmc->dev;
+
+	if (!dev->vram_mm)
 		return;
 
-	drm_vram_helper_release_mm(hibmc->dev);
+	drm_vram_helper_release_mm(dev);
 }
 
 int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,