[06/20] drm/i915: Introduce GEM object functions
diff mbox series

Message ID 20200813083644.31711-7-tzimmermann@suse.de
State Superseded
Headers show
Series
  • Convert all remaining drivers to GEM object functions
Related show

Commit Message

Thomas Zimmermann Aug. 13, 2020, 8:36 a.m. UTC
GEM object functions deprecate several similar callback interfaces in
struct drm_driver. This patch replaces the per-driver callbacks with
per-instance callbacks in i915.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/i915/gem/i915_gem_object.c       |  9 ++++++++-
 drivers/gpu/drm/i915/i915_drv.c                  | 10 ++++++----
 drivers/gpu/drm/i915/i915_drv.h                  |  1 +
 drivers/gpu/drm/i915/selftests/mock_gem_device.c |  3 ---
 4 files changed, 15 insertions(+), 8 deletions(-)

Comments

Jani Nikula Aug. 13, 2020, 9:08 a.m. UTC | #1
On Thu, 13 Aug 2020, Thomas Zimmermann <tzimmermann@suse.de> wrote:
> GEM object functions deprecate several similar callback interfaces in
> struct drm_driver. This patch replaces the per-driver callbacks with
> per-instance callbacks in i915.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
>  drivers/gpu/drm/i915/gem/i915_gem_object.c       |  9 ++++++++-
>  drivers/gpu/drm/i915/i915_drv.c                  | 10 ++++++----
>  drivers/gpu/drm/i915/i915_drv.h                  |  1 +
>  drivers/gpu/drm/i915/selftests/mock_gem_device.c |  3 ---
>  4 files changed, 15 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
> index c8421fd9d2dc..bc15ee4f2bd5 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
> @@ -41,7 +41,14 @@ static struct i915_global_object {
>  
>  struct drm_i915_gem_object *i915_gem_object_alloc(void)
>  {
> -	return kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
> +	struct drm_i915_gem_object *obj;
> +
> +	obj = kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
> +	if (!obj)
> +		return NULL;
> +	obj->base.funcs = &i915_gem_object_funcs;
> +
> +	return obj;
>  }
>  
>  void i915_gem_object_free(struct drm_i915_gem_object *obj)
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 068447f565a9..b09eee11c540 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1840,6 +1840,12 @@ static const struct drm_ioctl_desc i915_ioctls[] = {
>  	DRM_IOCTL_DEF_DRV(I915_GEM_VM_DESTROY, i915_gem_vm_destroy_ioctl, DRM_RENDER_ALLOW),
>  };
>  
> +const struct drm_gem_object_funcs i915_gem_object_funcs = {
> +	.free = i915_gem_free_object,
> +	.close = i915_gem_close_object,
> +	.export = i915_gem_prime_export,
> +};
> +

Any reason not to make this static in i915_gem_object.c next to its only
user?

BR,
Jani.


>  static struct drm_driver driver = {
>  	/* Don't use MTRRs here; the Xserver or userspace app should
>  	 * deal with them for Intel hardware.
> @@ -1853,12 +1859,8 @@ static struct drm_driver driver = {
>  	.lastclose = i915_driver_lastclose,
>  	.postclose = i915_driver_postclose,
>  
> -	.gem_close_object = i915_gem_close_object,
> -	.gem_free_object_unlocked = i915_gem_free_object,
> -
>  	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
>  	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> -	.gem_prime_export = i915_gem_prime_export,
>  	.gem_prime_import = i915_gem_prime_import,
>  
>  	.dumb_create = i915_gem_dumb_create,
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index bacb4c762f5b..666db65fe69e 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1736,6 +1736,7 @@ intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv)
>  
>  /* i915_drv.c */
>  extern const struct dev_pm_ops i915_pm_ops;
> +extern const struct drm_gem_object_funcs i915_gem_object_funcs;
>  
>  int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
>  void i915_driver_remove(struct drm_i915_private *i915);
> diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> index ce4d4303229c..4725dad63e0a 100644
> --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> @@ -86,9 +86,6 @@ static struct drm_driver mock_driver = {
>  	.name = "mock",
>  	.driver_features = DRIVER_GEM,
>  	.release = mock_device_release,
> -
> -	.gem_close_object = i915_gem_close_object,
> -	.gem_free_object_unlocked = i915_gem_free_object,
>  };
>  
>  static void release_dev(struct device *dev)
Thomas Zimmermann Aug. 13, 2020, 9:13 a.m. UTC | #2
Hi

Am 13.08.20 um 11:08 schrieb Jani Nikula:
> On Thu, 13 Aug 2020, Thomas Zimmermann <tzimmermann@suse.de> wrote:
>> GEM object functions deprecate several similar callback interfaces in
>> struct drm_driver. This patch replaces the per-driver callbacks with
>> per-instance callbacks in i915.
>>
>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>> ---
>>  drivers/gpu/drm/i915/gem/i915_gem_object.c       |  9 ++++++++-
>>  drivers/gpu/drm/i915/i915_drv.c                  | 10 ++++++----
>>  drivers/gpu/drm/i915/i915_drv.h                  |  1 +
>>  drivers/gpu/drm/i915/selftests/mock_gem_device.c |  3 ---
>>  4 files changed, 15 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
>> index c8421fd9d2dc..bc15ee4f2bd5 100644
>> --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
>> +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
>> @@ -41,7 +41,14 @@ static struct i915_global_object {
>>  
>>  struct drm_i915_gem_object *i915_gem_object_alloc(void)
>>  {
>> -	return kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
>> +	struct drm_i915_gem_object *obj;
>> +
>> +	obj = kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
>> +	if (!obj)
>> +		return NULL;
>> +	obj->base.funcs = &i915_gem_object_funcs;
>> +
>> +	return obj;
>>  }
>>  
>>  void i915_gem_object_free(struct drm_i915_gem_object *obj)
>> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
>> index 068447f565a9..b09eee11c540 100644
>> --- a/drivers/gpu/drm/i915/i915_drv.c
>> +++ b/drivers/gpu/drm/i915/i915_drv.c
>> @@ -1840,6 +1840,12 @@ static const struct drm_ioctl_desc i915_ioctls[] = {
>>  	DRM_IOCTL_DEF_DRV(I915_GEM_VM_DESTROY, i915_gem_vm_destroy_ioctl, DRM_RENDER_ALLOW),
>>  };
>>  
>> +const struct drm_gem_object_funcs i915_gem_object_funcs = {
>> +	.free = i915_gem_free_object,
>> +	.close = i915_gem_close_object,
>> +	.export = i915_gem_prime_export,
>> +};
>> +
> 
> Any reason not to make this static in i915_gem_object.c next to its only
> user?

That is just an oversight. Will be fixed in the next iteration. Thanks.

Best regards
Thomas

> 
> BR,
> Jani.
> 
> 
>>  static struct drm_driver driver = {
>>  	/* Don't use MTRRs here; the Xserver or userspace app should
>>  	 * deal with them for Intel hardware.
>> @@ -1853,12 +1859,8 @@ static struct drm_driver driver = {
>>  	.lastclose = i915_driver_lastclose,
>>  	.postclose = i915_driver_postclose,
>>  
>> -	.gem_close_object = i915_gem_close_object,
>> -	.gem_free_object_unlocked = i915_gem_free_object,
>> -
>>  	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
>>  	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
>> -	.gem_prime_export = i915_gem_prime_export,
>>  	.gem_prime_import = i915_gem_prime_import,
>>  
>>  	.dumb_create = i915_gem_dumb_create,
>> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
>> index bacb4c762f5b..666db65fe69e 100644
>> --- a/drivers/gpu/drm/i915/i915_drv.h
>> +++ b/drivers/gpu/drm/i915/i915_drv.h
>> @@ -1736,6 +1736,7 @@ intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv)
>>  
>>  /* i915_drv.c */
>>  extern const struct dev_pm_ops i915_pm_ops;
>> +extern const struct drm_gem_object_funcs i915_gem_object_funcs;
>>  
>>  int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
>>  void i915_driver_remove(struct drm_i915_private *i915);
>> diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
>> index ce4d4303229c..4725dad63e0a 100644
>> --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
>> +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
>> @@ -86,9 +86,6 @@ static struct drm_driver mock_driver = {
>>  	.name = "mock",
>>  	.driver_features = DRIVER_GEM,
>>  	.release = mock_device_release,
>> -
>> -	.gem_close_object = i915_gem_close_object,
>> -	.gem_free_object_unlocked = i915_gem_free_object,
>>  };
>>  
>>  static void release_dev(struct device *dev)
>

Patch
diff mbox series

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index c8421fd9d2dc..bc15ee4f2bd5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -41,7 +41,14 @@  static struct i915_global_object {
 
 struct drm_i915_gem_object *i915_gem_object_alloc(void)
 {
-	return kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
+	struct drm_i915_gem_object *obj;
+
+	obj = kmem_cache_zalloc(global.slab_objects, GFP_KERNEL);
+	if (!obj)
+		return NULL;
+	obj->base.funcs = &i915_gem_object_funcs;
+
+	return obj;
 }
 
 void i915_gem_object_free(struct drm_i915_gem_object *obj)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 068447f565a9..b09eee11c540 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1840,6 +1840,12 @@  static const struct drm_ioctl_desc i915_ioctls[] = {
 	DRM_IOCTL_DEF_DRV(I915_GEM_VM_DESTROY, i915_gem_vm_destroy_ioctl, DRM_RENDER_ALLOW),
 };
 
+const struct drm_gem_object_funcs i915_gem_object_funcs = {
+	.free = i915_gem_free_object,
+	.close = i915_gem_close_object,
+	.export = i915_gem_prime_export,
+};
+
 static struct drm_driver driver = {
 	/* Don't use MTRRs here; the Xserver or userspace app should
 	 * deal with them for Intel hardware.
@@ -1853,12 +1859,8 @@  static struct drm_driver driver = {
 	.lastclose = i915_driver_lastclose,
 	.postclose = i915_driver_postclose,
 
-	.gem_close_object = i915_gem_close_object,
-	.gem_free_object_unlocked = i915_gem_free_object,
-
 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
-	.gem_prime_export = i915_gem_prime_export,
 	.gem_prime_import = i915_gem_prime_import,
 
 	.dumb_create = i915_gem_dumb_create,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index bacb4c762f5b..666db65fe69e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1736,6 +1736,7 @@  intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv)
 
 /* i915_drv.c */
 extern const struct dev_pm_ops i915_pm_ops;
+extern const struct drm_gem_object_funcs i915_gem_object_funcs;
 
 int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
 void i915_driver_remove(struct drm_i915_private *i915);
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index ce4d4303229c..4725dad63e0a 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -86,9 +86,6 @@  static struct drm_driver mock_driver = {
 	.name = "mock",
 	.driver_features = DRIVER_GEM,
 	.release = mock_device_release,
-
-	.gem_close_object = i915_gem_close_object,
-	.gem_free_object_unlocked = i915_gem_free_object,
 };
 
 static void release_dev(struct device *dev)