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* [PATCH DRM] drm: Introduce drm_global_item_{get/put}()
@ 2018-03-13 12:02 ` Haneen Mohammed
  0 siblings, 0 replies; 6+ messages in thread
From: Haneen Mohammed @ 2018-03-13 12:02 UTC (permalink / raw)
  To: Daniel Vetter, Gustavo Padovan, Sean Paul, David Airlie
  Cc: outreachy-kernel, dri-devel, hamohammed.sa

For consistency with other reference counting APIs in the kernel,
introduce drm_global_item_{get/put} functions instead of
drm_global_item_{ref/unref}.

Compatibility aliases are added to keep existing code working.

The semantic patch scripts/coccinelle/api/drm-get-put.cocci has been
extended to account for the new helpers.

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
---
 drivers/gpu/drm/drm_global.c             | 43 +++++++++++++++++++++++++++-----
 include/drm/drm_global.h                 |  2 ++
 scripts/coccinelle/api/drm-get-put.cocci | 10 ++++++++
 3 files changed, 49 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
index b2dc21e..76cf948 100644
--- a/drivers/gpu/drm/drm_global.c
+++ b/drivers/gpu/drm/drm_global.c
@@ -64,7 +64,7 @@ void drm_global_release(void)
 }
 
 /**
- * drm_global_item_ref - Initialize and acquire reference to memory
+ * drm_global_item_get - Initialize and acquire reference to memory
  * object
  * @ref: Object for initialization
  *
@@ -75,7 +75,7 @@ void drm_global_release(void)
  * Returns:
  * Zero on success, non-zero otherwise.
  */
-int drm_global_item_ref(struct drm_global_reference *ref)
+int drm_global_item_get(struct drm_global_reference *ref)
 {
 	int ret = 0;
 	struct drm_global_item *item = &glob[ref->global_type];
@@ -107,10 +107,10 @@ int drm_global_item_ref(struct drm_global_reference *ref)
 	mutex_unlock(&item->mutex);
 	return ret;
 }
-EXPORT_SYMBOL(drm_global_item_ref);
+EXPORT_SYMBOL(drm_global_item_get);
 
 /**
- * drm_global_item_unref - Drop reference to memory
+ * drm_global_item_put - Drop reference to memory
  * object
  * @ref: Object being removed
  *
@@ -120,7 +120,7 @@ EXPORT_SYMBOL(drm_global_item_ref);
  *
  */
 
-void drm_global_item_unref(struct drm_global_reference *ref)
+void drm_global_item_put(struct drm_global_reference *ref)
 {
 	struct drm_global_item *item = &glob[ref->global_type];
 
@@ -133,5 +133,36 @@ void drm_global_item_unref(struct drm_global_reference *ref)
 	}
 	mutex_unlock(&item->mutex);
 }
-EXPORT_SYMBOL(drm_global_item_unref);
+EXPORT_SYMBOL(drm_global_item_put);
 
+/**
+ * drm_global_item_ref - Initialize and acquire reference to memory
+ * object
+ * @ref: Object for initialization
+ *
+ * This is a compatibility alias for drm_global_item_get() and should
+ * not be used by new code.
+ *
+ * Returns:
+ * Zero on success, non-zero otherwise.
+ */
+int drm_global_item_ref(struct drm_global_reference *ref)
+{
+	return drm_global_item_get(ref);
+}
+EXPORT_SYMBOL(drm_global_item_ref);
+
+/**
+ * drm_global_item_unref - Drop reference to memory
+ * object
+ * @ref: Object being removed
+ *
+ * This is a compatibility alias for drm_global_item_get() and should not
+ * be used by new code.
+ */
+
+void drm_global_item_unref(struct drm_global_reference *ref)
+{
+	drm_global_item_put(ref);
+}
+EXPORT_SYMBOL(drm_global_item_unref);
diff --git a/include/drm/drm_global.h b/include/drm/drm_global.h
index 3a83060..5eb6f0c 100644
--- a/include/drm/drm_global.h
+++ b/include/drm/drm_global.h
@@ -47,6 +47,8 @@ struct drm_global_reference {
 
 void drm_global_init(void);
 void drm_global_release(void);
+int drm_global_item_get(struct drm_global_reference *ref);
+void drm_global_item_put(struct drm_global_reference *ref);
 int drm_global_item_ref(struct drm_global_reference *ref);
 void drm_global_item_unref(struct drm_global_reference *ref);
 
diff --git a/scripts/coccinelle/api/drm-get-put.cocci b/scripts/coccinelle/api/drm-get-put.cocci
index 91fceb8..db1c465 100644
--- a/scripts/coccinelle/api/drm-get-put.cocci
+++ b/scripts/coccinelle/api/drm-get-put.cocci
@@ -54,6 +54,12 @@ expression object;
 |
 - drm_dev_unref(object)
 + drm_dev_put(object)
+|
+- drm_global_item_ref(object)
++ drm_global_item_get(object)
+|
+- drm_global_item_unref(object)
++ drm_global_item_put(object)
 )
 
 @r depends on report@
@@ -87,6 +93,10 @@ drm_property_unreference_blob@p(object)
 drm_property_reference_blob@p(object)
 |
 drm_dev_unref@p(object)
+|
+drm_global_item_ref@p(object)
+|
+drm_global_item_unref@p(object)
 )
 
 @script:python depends on report@
-- 
2.7.4

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply related	[flat|nested] 6+ messages in thread
* [PATCH DRM] drm: Introduce drm_global_item_{get/put}()
@ 2018-03-13 12:02 ` Haneen Mohammed
  0 siblings, 0 replies; 6+ messages in thread
From: Haneen Mohammed @ 2018-03-13 12:02 UTC (permalink / raw)
  To: Daniel Vetter, Gustavo Padovan, Sean Paul, David Airlie
  Cc: outreachy-kernel, hamohammed.sa, dri-devel

For consistency with other reference counting APIs in the kernel,
introduce drm_global_item_{get/put} functions instead of
drm_global_item_{ref/unref}.

Compatibility aliases are added to keep existing code working.

The semantic patch scripts/coccinelle/api/drm-get-put.cocci has been
extended to account for the new helpers.

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
---
 drivers/gpu/drm/drm_global.c             | 43 +++++++++++++++++++++++++++-----
 include/drm/drm_global.h                 |  2 ++
 scripts/coccinelle/api/drm-get-put.cocci | 10 ++++++++
 3 files changed, 49 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
index b2dc21e..76cf948 100644
--- a/drivers/gpu/drm/drm_global.c
+++ b/drivers/gpu/drm/drm_global.c
@@ -64,7 +64,7 @@ void drm_global_release(void)
 }
 
 /**
- * drm_global_item_ref - Initialize and acquire reference to memory
+ * drm_global_item_get - Initialize and acquire reference to memory
  * object
  * @ref: Object for initialization
  *
@@ -75,7 +75,7 @@ void drm_global_release(void)
  * Returns:
  * Zero on success, non-zero otherwise.
  */
-int drm_global_item_ref(struct drm_global_reference *ref)
+int drm_global_item_get(struct drm_global_reference *ref)
 {
 	int ret = 0;
 	struct drm_global_item *item = &glob[ref->global_type];
@@ -107,10 +107,10 @@ int drm_global_item_ref(struct drm_global_reference *ref)
 	mutex_unlock(&item->mutex);
 	return ret;
 }
-EXPORT_SYMBOL(drm_global_item_ref);
+EXPORT_SYMBOL(drm_global_item_get);
 
 /**
- * drm_global_item_unref - Drop reference to memory
+ * drm_global_item_put - Drop reference to memory
  * object
  * @ref: Object being removed
  *
@@ -120,7 +120,7 @@ EXPORT_SYMBOL(drm_global_item_ref);
  *
  */
 
-void drm_global_item_unref(struct drm_global_reference *ref)
+void drm_global_item_put(struct drm_global_reference *ref)
 {
 	struct drm_global_item *item = &glob[ref->global_type];
 
@@ -133,5 +133,36 @@ void drm_global_item_unref(struct drm_global_reference *ref)
 	}
 	mutex_unlock(&item->mutex);
 }
-EXPORT_SYMBOL(drm_global_item_unref);
+EXPORT_SYMBOL(drm_global_item_put);
 
+/**
+ * drm_global_item_ref - Initialize and acquire reference to memory
+ * object
+ * @ref: Object for initialization
+ *
+ * This is a compatibility alias for drm_global_item_get() and should
+ * not be used by new code.
+ *
+ * Returns:
+ * Zero on success, non-zero otherwise.
+ */
+int drm_global_item_ref(struct drm_global_reference *ref)
+{
+	return drm_global_item_get(ref);
+}
+EXPORT_SYMBOL(drm_global_item_ref);
+
+/**
+ * drm_global_item_unref - Drop reference to memory
+ * object
+ * @ref: Object being removed
+ *
+ * This is a compatibility alias for drm_global_item_get() and should not
+ * be used by new code.
+ */
+
+void drm_global_item_unref(struct drm_global_reference *ref)
+{
+	drm_global_item_put(ref);
+}
+EXPORT_SYMBOL(drm_global_item_unref);
diff --git a/include/drm/drm_global.h b/include/drm/drm_global.h
index 3a83060..5eb6f0c 100644
--- a/include/drm/drm_global.h
+++ b/include/drm/drm_global.h
@@ -47,6 +47,8 @@ struct drm_global_reference {
 
 void drm_global_init(void);
 void drm_global_release(void);
+int drm_global_item_get(struct drm_global_reference *ref);
+void drm_global_item_put(struct drm_global_reference *ref);
 int drm_global_item_ref(struct drm_global_reference *ref);
 void drm_global_item_unref(struct drm_global_reference *ref);
 
diff --git a/scripts/coccinelle/api/drm-get-put.cocci b/scripts/coccinelle/api/drm-get-put.cocci
index 91fceb8..db1c465 100644
--- a/scripts/coccinelle/api/drm-get-put.cocci
+++ b/scripts/coccinelle/api/drm-get-put.cocci
@@ -54,6 +54,12 @@ expression object;
 |
 - drm_dev_unref(object)
 + drm_dev_put(object)
+|
+- drm_global_item_ref(object)
++ drm_global_item_get(object)
+|
+- drm_global_item_unref(object)
++ drm_global_item_put(object)
 )
 
 @r depends on report@
@@ -87,6 +93,10 @@ drm_property_unreference_blob@p(object)
 drm_property_reference_blob@p(object)
 |
 drm_dev_unref@p(object)
+|
+drm_global_item_ref@p(object)
+|
+drm_global_item_unref@p(object)
 )
 
 @script:python depends on report@
-- 
2.7.4



^ permalink raw reply related	[flat|nested] 6+ messages in thread
* Re: [Outreachy kernel] [PATCH DRM] drm: Introduce drm_global_item_{get/put}()
  2018-03-13 12:02 ` Haneen Mohammed
@ 2018-03-19 21:06   ` Daniel Vetter
  -1 siblings, 0 replies; 6+ messages in thread
From: Daniel Vetter @ 2018-03-19 21:06 UTC (permalink / raw)
  To: Haneen Mohammed, Christian König, Thomas Hellstrom,
	Sinclair Yeh, Alex Deucher
  Cc: David Airlie, dri-devel, outreachy-kernel, Daniel Vetter

On Tue, Mar 13, 2018 at 1:02 PM, Haneen Mohammed
<hamohammed.sa@gmail.com> wrote:
> For consistency with other reference counting APIs in the kernel,
> introduce drm_global_item_{get/put} functions instead of
> drm_global_item_{ref/unref}.
>
> Compatibility aliases are added to keep existing code working.
>
> The semantic patch scripts/coccinelle/api/drm-get-put.cocci has been
> extended to account for the new helpers.
>
> Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>

Somehow this fell through the cracks. drm_global.c is only used by ttm
and vmwgfx, adding relevant maintainers.
-Daniel

> ---
>  drivers/gpu/drm/drm_global.c             | 43 +++++++++++++++++++++++++++-----
>  include/drm/drm_global.h                 |  2 ++
>  scripts/coccinelle/api/drm-get-put.cocci | 10 ++++++++
>  3 files changed, 49 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
> index b2dc21e..76cf948 100644
> --- a/drivers/gpu/drm/drm_global.c
> +++ b/drivers/gpu/drm/drm_global.c
> @@ -64,7 +64,7 @@ void drm_global_release(void)
>  }
>
>  /**
> - * drm_global_item_ref - Initialize and acquire reference to memory
> + * drm_global_item_get - Initialize and acquire reference to memory
>   * object
>   * @ref: Object for initialization
>   *
> @@ -75,7 +75,7 @@ void drm_global_release(void)
>   * Returns:
>   * Zero on success, non-zero otherwise.
>   */
> -int drm_global_item_ref(struct drm_global_reference *ref)
> +int drm_global_item_get(struct drm_global_reference *ref)
>  {
>         int ret = 0;
>         struct drm_global_item *item = &glob[ref->global_type];
> @@ -107,10 +107,10 @@ int drm_global_item_ref(struct drm_global_reference *ref)
>         mutex_unlock(&item->mutex);
>         return ret;
>  }
> -EXPORT_SYMBOL(drm_global_item_ref);
> +EXPORT_SYMBOL(drm_global_item_get);
>
>  /**
> - * drm_global_item_unref - Drop reference to memory
> + * drm_global_item_put - Drop reference to memory
>   * object
>   * @ref: Object being removed
>   *
> @@ -120,7 +120,7 @@ EXPORT_SYMBOL(drm_global_item_ref);
>   *
>   */
>
> -void drm_global_item_unref(struct drm_global_reference *ref)
> +void drm_global_item_put(struct drm_global_reference *ref)
>  {
>         struct drm_global_item *item = &glob[ref->global_type];
>
> @@ -133,5 +133,36 @@ void drm_global_item_unref(struct drm_global_reference *ref)
>         }
>         mutex_unlock(&item->mutex);
>  }
> -EXPORT_SYMBOL(drm_global_item_unref);
> +EXPORT_SYMBOL(drm_global_item_put);
>
> +/**
> + * drm_global_item_ref - Initialize and acquire reference to memory
> + * object
> + * @ref: Object for initialization
> + *
> + * This is a compatibility alias for drm_global_item_get() and should
> + * not be used by new code.
> + *
> + * Returns:
> + * Zero on success, non-zero otherwise.
> + */
> +int drm_global_item_ref(struct drm_global_reference *ref)
> +{
> +       return drm_global_item_get(ref);
> +}
> +EXPORT_SYMBOL(drm_global_item_ref);
> +
> +/**
> + * drm_global_item_unref - Drop reference to memory
> + * object
> + * @ref: Object being removed
> + *
> + * This is a compatibility alias for drm_global_item_get() and should not
> + * be used by new code.
> + */
> +
> +void drm_global_item_unref(struct drm_global_reference *ref)
> +{
> +       drm_global_item_put(ref);
> +}
> +EXPORT_SYMBOL(drm_global_item_unref);
> diff --git a/include/drm/drm_global.h b/include/drm/drm_global.h
> index 3a83060..5eb6f0c 100644
> --- a/include/drm/drm_global.h
> +++ b/include/drm/drm_global.h
> @@ -47,6 +47,8 @@ struct drm_global_reference {
>
>  void drm_global_init(void);
>  void drm_global_release(void);
> +int drm_global_item_get(struct drm_global_reference *ref);
> +void drm_global_item_put(struct drm_global_reference *ref);
>  int drm_global_item_ref(struct drm_global_reference *ref);
>  void drm_global_item_unref(struct drm_global_reference *ref);
>
> diff --git a/scripts/coccinelle/api/drm-get-put.cocci b/scripts/coccinelle/api/drm-get-put.cocci
> index 91fceb8..db1c465 100644
> --- a/scripts/coccinelle/api/drm-get-put.cocci
> +++ b/scripts/coccinelle/api/drm-get-put.cocci
> @@ -54,6 +54,12 @@ expression object;
>  |
>  - drm_dev_unref(object)
>  + drm_dev_put(object)
> +|
> +- drm_global_item_ref(object)
> ++ drm_global_item_get(object)
> +|
> +- drm_global_item_unref(object)
> ++ drm_global_item_put(object)
>  )
>
>  @r depends on report@
> @@ -87,6 +93,10 @@ drm_property_unreference_blob@p(object)
>  drm_property_reference_blob@p(object)
>  |
>  drm_dev_unref@p(object)
> +|
> +drm_global_item_ref@p(object)
> +|
> +drm_global_item_unref@p(object)
>  )
>
>  @script:python depends on report@
> --
> 2.7.4
>
> --
> You received this message because you are subscribed to the Google Groups "outreachy-kernel" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com.
> To post to this group, send email to outreachy-kernel@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/20180313120205.GA12094%40Haneen.
> For more options, visit https://groups.google.com/d/optout.



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [Outreachy kernel] [PATCH DRM] drm: Introduce drm_global_item_{get/put}()
@ 2018-03-19 21:06   ` Daniel Vetter
  0 siblings, 0 replies; 6+ messages in thread
From: Daniel Vetter @ 2018-03-19 21:06 UTC (permalink / raw)
  To: Haneen Mohammed, Christian König, Thomas Hellstrom,
	Sinclair Yeh, Alex Deucher
  Cc: Daniel Vetter, Gustavo Padovan, Sean Paul, David Airlie,
	outreachy-kernel, dri-devel

On Tue, Mar 13, 2018 at 1:02 PM, Haneen Mohammed
<hamohammed.sa@gmail.com> wrote:
> For consistency with other reference counting APIs in the kernel,
> introduce drm_global_item_{get/put} functions instead of
> drm_global_item_{ref/unref}.
>
> Compatibility aliases are added to keep existing code working.
>
> The semantic patch scripts/coccinelle/api/drm-get-put.cocci has been
> extended to account for the new helpers.
>
> Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>

Somehow this fell through the cracks. drm_global.c is only used by ttm
and vmwgfx, adding relevant maintainers.
-Daniel

> ---
>  drivers/gpu/drm/drm_global.c             | 43 +++++++++++++++++++++++++++-----
>  include/drm/drm_global.h                 |  2 ++
>  scripts/coccinelle/api/drm-get-put.cocci | 10 ++++++++
>  3 files changed, 49 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
> index b2dc21e..76cf948 100644
> --- a/drivers/gpu/drm/drm_global.c
> +++ b/drivers/gpu/drm/drm_global.c
> @@ -64,7 +64,7 @@ void drm_global_release(void)
>  }
>
>  /**
> - * drm_global_item_ref - Initialize and acquire reference to memory
> + * drm_global_item_get - Initialize and acquire reference to memory
>   * object
>   * @ref: Object for initialization
>   *
> @@ -75,7 +75,7 @@ void drm_global_release(void)
>   * Returns:
>   * Zero on success, non-zero otherwise.
>   */
> -int drm_global_item_ref(struct drm_global_reference *ref)
> +int drm_global_item_get(struct drm_global_reference *ref)
>  {
>         int ret = 0;
>         struct drm_global_item *item = &glob[ref->global_type];
> @@ -107,10 +107,10 @@ int drm_global_item_ref(struct drm_global_reference *ref)
>         mutex_unlock(&item->mutex);
>         return ret;
>  }
> -EXPORT_SYMBOL(drm_global_item_ref);
> +EXPORT_SYMBOL(drm_global_item_get);
>
>  /**
> - * drm_global_item_unref - Drop reference to memory
> + * drm_global_item_put - Drop reference to memory
>   * object
>   * @ref: Object being removed
>   *
> @@ -120,7 +120,7 @@ EXPORT_SYMBOL(drm_global_item_ref);
>   *
>   */
>
> -void drm_global_item_unref(struct drm_global_reference *ref)
> +void drm_global_item_put(struct drm_global_reference *ref)
>  {
>         struct drm_global_item *item = &glob[ref->global_type];
>
> @@ -133,5 +133,36 @@ void drm_global_item_unref(struct drm_global_reference *ref)
>         }
>         mutex_unlock(&item->mutex);
>  }
> -EXPORT_SYMBOL(drm_global_item_unref);
> +EXPORT_SYMBOL(drm_global_item_put);
>
> +/**
> + * drm_global_item_ref - Initialize and acquire reference to memory
> + * object
> + * @ref: Object for initialization
> + *
> + * This is a compatibility alias for drm_global_item_get() and should
> + * not be used by new code.
> + *
> + * Returns:
> + * Zero on success, non-zero otherwise.
> + */
> +int drm_global_item_ref(struct drm_global_reference *ref)
> +{
> +       return drm_global_item_get(ref);
> +}
> +EXPORT_SYMBOL(drm_global_item_ref);
> +
> +/**
> + * drm_global_item_unref - Drop reference to memory
> + * object
> + * @ref: Object being removed
> + *
> + * This is a compatibility alias for drm_global_item_get() and should not
> + * be used by new code.
> + */
> +
> +void drm_global_item_unref(struct drm_global_reference *ref)
> +{
> +       drm_global_item_put(ref);
> +}
> +EXPORT_SYMBOL(drm_global_item_unref);
> diff --git a/include/drm/drm_global.h b/include/drm/drm_global.h
> index 3a83060..5eb6f0c 100644
> --- a/include/drm/drm_global.h
> +++ b/include/drm/drm_global.h
> @@ -47,6 +47,8 @@ struct drm_global_reference {
>
>  void drm_global_init(void);
>  void drm_global_release(void);
> +int drm_global_item_get(struct drm_global_reference *ref);
> +void drm_global_item_put(struct drm_global_reference *ref);
>  int drm_global_item_ref(struct drm_global_reference *ref);
>  void drm_global_item_unref(struct drm_global_reference *ref);
>
> diff --git a/scripts/coccinelle/api/drm-get-put.cocci b/scripts/coccinelle/api/drm-get-put.cocci
> index 91fceb8..db1c465 100644
> --- a/scripts/coccinelle/api/drm-get-put.cocci
> +++ b/scripts/coccinelle/api/drm-get-put.cocci
> @@ -54,6 +54,12 @@ expression object;
>  |
>  - drm_dev_unref(object)
>  + drm_dev_put(object)
> +|
> +- drm_global_item_ref(object)
> ++ drm_global_item_get(object)
> +|
> +- drm_global_item_unref(object)
> ++ drm_global_item_put(object)
>  )
>
>  @r depends on report@
> @@ -87,6 +93,10 @@ drm_property_unreference_blob@p(object)
>  drm_property_reference_blob@p(object)
>  |
>  drm_dev_unref@p(object)
> +|
> +drm_global_item_ref@p(object)
> +|
> +drm_global_item_unref@p(object)
>  )
>
>  @script:python depends on report@
> --
> 2.7.4
>
> --
> You received this message because you are subscribed to the Google Groups "outreachy-kernel" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com.
> To post to this group, send email to outreachy-kernel@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/20180313120205.GA12094%40Haneen.
> For more options, visit https://groups.google.com/d/optout.



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [Outreachy kernel] [PATCH DRM] drm: Introduce drm_global_item_{get/put}()
  2018-03-19 21:06   ` Daniel Vetter
@ 2018-03-20 14:17     ` Sinclair Yeh
  -1 siblings, 0 replies; 6+ messages in thread
From: Sinclair Yeh @ 2018-03-20 14:17 UTC (permalink / raw)
  To: Daniel Vetter
  Cc: Haneen Mohammed, Thomas Hellstrom, David Airlie, dri-devel,
	outreachy-kernel, Daniel Vetter, Christian König


LGTM

thanks!

Sinclair

On Mon, Mar 19, 2018 at 10:06:20PM +0100, Daniel Vetter wrote:
> On Tue, Mar 13, 2018 at 1:02 PM, Haneen Mohammed
> <hamohammed.sa@gmail.com> wrote:
> > For consistency with other reference counting APIs in the kernel,
> > introduce drm_global_item_{get/put} functions instead of
> > drm_global_item_{ref/unref}.
> >
> > Compatibility aliases are added to keep existing code working.
> >
> > The semantic patch scripts/coccinelle/api/drm-get-put.cocci has been
> > extended to account for the new helpers.
> >
> > Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
> 
> Somehow this fell through the cracks. drm_global.c is only used by ttm
> and vmwgfx, adding relevant maintainers.
> -Daniel
> 
> > ---
> >  drivers/gpu/drm/drm_global.c             | 43 +++++++++++++++++++++++++++-----
> >  include/drm/drm_global.h                 |  2 ++
> >  scripts/coccinelle/api/drm-get-put.cocci | 10 ++++++++
> >  3 files changed, 49 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
> > index b2dc21e..76cf948 100644
> > --- a/drivers/gpu/drm/drm_global.c
> > +++ b/drivers/gpu/drm/drm_global.c
> > @@ -64,7 +64,7 @@ void drm_global_release(void)
> >  }
> >
> >  /**
> > - * drm_global_item_ref - Initialize and acquire reference to memory
> > + * drm_global_item_get - Initialize and acquire reference to memory
> >   * object
> >   * @ref: Object for initialization
> >   *
> > @@ -75,7 +75,7 @@ void drm_global_release(void)
> >   * Returns:
> >   * Zero on success, non-zero otherwise.
> >   */
> > -int drm_global_item_ref(struct drm_global_reference *ref)
> > +int drm_global_item_get(struct drm_global_reference *ref)
> >  {
> >         int ret = 0;
> >         struct drm_global_item *item = &glob[ref->global_type];
> > @@ -107,10 +107,10 @@ int drm_global_item_ref(struct drm_global_reference *ref)
> >         mutex_unlock(&item->mutex);
> >         return ret;
> >  }
> > -EXPORT_SYMBOL(drm_global_item_ref);
> > +EXPORT_SYMBOL(drm_global_item_get);
> >
> >  /**
> > - * drm_global_item_unref - Drop reference to memory
> > + * drm_global_item_put - Drop reference to memory
> >   * object
> >   * @ref: Object being removed
> >   *
> > @@ -120,7 +120,7 @@ EXPORT_SYMBOL(drm_global_item_ref);
> >   *
> >   */
> >
> > -void drm_global_item_unref(struct drm_global_reference *ref)
> > +void drm_global_item_put(struct drm_global_reference *ref)
> >  {
> >         struct drm_global_item *item = &glob[ref->global_type];
> >
> > @@ -133,5 +133,36 @@ void drm_global_item_unref(struct drm_global_reference *ref)
> >         }
> >         mutex_unlock(&item->mutex);
> >  }
> > -EXPORT_SYMBOL(drm_global_item_unref);
> > +EXPORT_SYMBOL(drm_global_item_put);
> >
> > +/**
> > + * drm_global_item_ref - Initialize and acquire reference to memory
> > + * object
> > + * @ref: Object for initialization
> > + *
> > + * This is a compatibility alias for drm_global_item_get() and should
> > + * not be used by new code.
> > + *
> > + * Returns:
> > + * Zero on success, non-zero otherwise.
> > + */
> > +int drm_global_item_ref(struct drm_global_reference *ref)
> > +{
> > +       return drm_global_item_get(ref);
> > +}
> > +EXPORT_SYMBOL(drm_global_item_ref);
> > +
> > +/**
> > + * drm_global_item_unref - Drop reference to memory
> > + * object
> > + * @ref: Object being removed
> > + *
> > + * This is a compatibility alias for drm_global_item_get() and should not
> > + * be used by new code.
> > + */
> > +
> > +void drm_global_item_unref(struct drm_global_reference *ref)
> > +{
> > +       drm_global_item_put(ref);
> > +}
> > +EXPORT_SYMBOL(drm_global_item_unref);
> > diff --git a/include/drm/drm_global.h b/include/drm/drm_global.h
> > index 3a83060..5eb6f0c 100644
> > --- a/include/drm/drm_global.h
> > +++ b/include/drm/drm_global.h
> > @@ -47,6 +47,8 @@ struct drm_global_reference {
> >
> >  void drm_global_init(void);
> >  void drm_global_release(void);
> > +int drm_global_item_get(struct drm_global_reference *ref);
> > +void drm_global_item_put(struct drm_global_reference *ref);
> >  int drm_global_item_ref(struct drm_global_reference *ref);
> >  void drm_global_item_unref(struct drm_global_reference *ref);
> >
> > diff --git a/scripts/coccinelle/api/drm-get-put.cocci b/scripts/coccinelle/api/drm-get-put.cocci
> > index 91fceb8..db1c465 100644
> > --- a/scripts/coccinelle/api/drm-get-put.cocci
> > +++ b/scripts/coccinelle/api/drm-get-put.cocci
> > @@ -54,6 +54,12 @@ expression object;
> >  |
> >  - drm_dev_unref(object)
> >  + drm_dev_put(object)
> > +|
> > +- drm_global_item_ref(object)
> > ++ drm_global_item_get(object)
> > +|
> > +- drm_global_item_unref(object)
> > ++ drm_global_item_put(object)
> >  )
> >
> >  @r depends on report@
> > @@ -87,6 +93,10 @@ drm_property_unreference_blob@p(object)
> >  drm_property_reference_blob@p(object)
> >  |
> >  drm_dev_unref@p(object)
> > +|
> > +drm_global_item_ref@p(object)
> > +|
> > +drm_global_item_unref@p(object)
> >  )
> >
> >  @script:python depends on report@
> > --
> > 2.7.4
> >
> > --
> > You received this message because you are subscribed to the Google Groups "outreachy-kernel" group.
> > To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com.
> > To post to this group, send email to outreachy-kernel@googlegroups.com.
> > To view this discussion on the web visit https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_outreachy-2Dkernel_20180313120205.GA12094-2540Haneen&d=DwIBaQ&c=uilaK90D4TOVoH58JNXRgQ&r=HaJ2a6NYExoV0cntAYcoqA&m=lzwHnvRNz61FBHPvl4HfIBLShUjYqqwqPa71bjZfD8s&s=DyQDIfuyq7myO_vPBFx2Q0Zcfw02bS6dmgl7-0Jpu_g&e=.
> > For more options, visit https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout&d=DwIBaQ&c=uilaK90D4TOVoH58JNXRgQ&r=HaJ2a6NYExoV0cntAYcoqA&m=lzwHnvRNz61FBHPvl4HfIBLShUjYqqwqPa71bjZfD8s&s=e6bdl63FX0aaxoLxsziLGjrJMNg0yc4DcP9y9tRi7AM&e=.
> 
> 
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - https://urldefense.proofpoint.com/v2/url?u=http-3A__blog.ffwll.ch&d=DwIBaQ&c=uilaK90D4TOVoH58JNXRgQ&r=HaJ2a6NYExoV0cntAYcoqA&m=lzwHnvRNz61FBHPvl4HfIBLShUjYqqwqPa71bjZfD8s&s=__U-EO6t1rL8vdlANyHATVi-smcnlKxMwyznL5ntZ7s&e=
_______________________________________________
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^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [Outreachy kernel] [PATCH DRM] drm: Introduce drm_global_item_{get/put}()
@ 2018-03-20 14:17     ` Sinclair Yeh
  0 siblings, 0 replies; 6+ messages in thread
From: Sinclair Yeh @ 2018-03-20 14:17 UTC (permalink / raw)
  To: Daniel Vetter
  Cc: Haneen Mohammed, Christian König, Thomas Hellstrom,
	Alex Deucher, Daniel Vetter, Gustavo Padovan, Sean Paul,
	David Airlie, outreachy-kernel, dri-devel


LGTM

thanks!

Sinclair

On Mon, Mar 19, 2018 at 10:06:20PM +0100, Daniel Vetter wrote:
> On Tue, Mar 13, 2018 at 1:02 PM, Haneen Mohammed
> <hamohammed.sa@gmail.com> wrote:
> > For consistency with other reference counting APIs in the kernel,
> > introduce drm_global_item_{get/put} functions instead of
> > drm_global_item_{ref/unref}.
> >
> > Compatibility aliases are added to keep existing code working.
> >
> > The semantic patch scripts/coccinelle/api/drm-get-put.cocci has been
> > extended to account for the new helpers.
> >
> > Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
> 
> Somehow this fell through the cracks. drm_global.c is only used by ttm
> and vmwgfx, adding relevant maintainers.
> -Daniel
> 
> > ---
> >  drivers/gpu/drm/drm_global.c             | 43 +++++++++++++++++++++++++++-----
> >  include/drm/drm_global.h                 |  2 ++
> >  scripts/coccinelle/api/drm-get-put.cocci | 10 ++++++++
> >  3 files changed, 49 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c
> > index b2dc21e..76cf948 100644
> > --- a/drivers/gpu/drm/drm_global.c
> > +++ b/drivers/gpu/drm/drm_global.c
> > @@ -64,7 +64,7 @@ void drm_global_release(void)
> >  }
> >
> >  /**
> > - * drm_global_item_ref - Initialize and acquire reference to memory
> > + * drm_global_item_get - Initialize and acquire reference to memory
> >   * object
> >   * @ref: Object for initialization
> >   *
> > @@ -75,7 +75,7 @@ void drm_global_release(void)
> >   * Returns:
> >   * Zero on success, non-zero otherwise.
> >   */
> > -int drm_global_item_ref(struct drm_global_reference *ref)
> > +int drm_global_item_get(struct drm_global_reference *ref)
> >  {
> >         int ret = 0;
> >         struct drm_global_item *item = &glob[ref->global_type];
> > @@ -107,10 +107,10 @@ int drm_global_item_ref(struct drm_global_reference *ref)
> >         mutex_unlock(&item->mutex);
> >         return ret;
> >  }
> > -EXPORT_SYMBOL(drm_global_item_ref);
> > +EXPORT_SYMBOL(drm_global_item_get);
> >
> >  /**
> > - * drm_global_item_unref - Drop reference to memory
> > + * drm_global_item_put - Drop reference to memory
> >   * object
> >   * @ref: Object being removed
> >   *
> > @@ -120,7 +120,7 @@ EXPORT_SYMBOL(drm_global_item_ref);
> >   *
> >   */
> >
> > -void drm_global_item_unref(struct drm_global_reference *ref)
> > +void drm_global_item_put(struct drm_global_reference *ref)
> >  {
> >         struct drm_global_item *item = &glob[ref->global_type];
> >
> > @@ -133,5 +133,36 @@ void drm_global_item_unref(struct drm_global_reference *ref)
> >         }
> >         mutex_unlock(&item->mutex);
> >  }
> > -EXPORT_SYMBOL(drm_global_item_unref);
> > +EXPORT_SYMBOL(drm_global_item_put);
> >
> > +/**
> > + * drm_global_item_ref - Initialize and acquire reference to memory
> > + * object
> > + * @ref: Object for initialization
> > + *
> > + * This is a compatibility alias for drm_global_item_get() and should
> > + * not be used by new code.
> > + *
> > + * Returns:
> > + * Zero on success, non-zero otherwise.
> > + */
> > +int drm_global_item_ref(struct drm_global_reference *ref)
> > +{
> > +       return drm_global_item_get(ref);
> > +}
> > +EXPORT_SYMBOL(drm_global_item_ref);
> > +
> > +/**
> > + * drm_global_item_unref - Drop reference to memory
> > + * object
> > + * @ref: Object being removed
> > + *
> > + * This is a compatibility alias for drm_global_item_get() and should not
> > + * be used by new code.
> > + */
> > +
> > +void drm_global_item_unref(struct drm_global_reference *ref)
> > +{
> > +       drm_global_item_put(ref);
> > +}
> > +EXPORT_SYMBOL(drm_global_item_unref);
> > diff --git a/include/drm/drm_global.h b/include/drm/drm_global.h
> > index 3a83060..5eb6f0c 100644
> > --- a/include/drm/drm_global.h
> > +++ b/include/drm/drm_global.h
> > @@ -47,6 +47,8 @@ struct drm_global_reference {
> >
> >  void drm_global_init(void);
> >  void drm_global_release(void);
> > +int drm_global_item_get(struct drm_global_reference *ref);
> > +void drm_global_item_put(struct drm_global_reference *ref);
> >  int drm_global_item_ref(struct drm_global_reference *ref);
> >  void drm_global_item_unref(struct drm_global_reference *ref);
> >
> > diff --git a/scripts/coccinelle/api/drm-get-put.cocci b/scripts/coccinelle/api/drm-get-put.cocci
> > index 91fceb8..db1c465 100644
> > --- a/scripts/coccinelle/api/drm-get-put.cocci
> > +++ b/scripts/coccinelle/api/drm-get-put.cocci
> > @@ -54,6 +54,12 @@ expression object;
> >  |
> >  - drm_dev_unref(object)
> >  + drm_dev_put(object)
> > +|
> > +- drm_global_item_ref(object)
> > ++ drm_global_item_get(object)
> > +|
> > +- drm_global_item_unref(object)
> > ++ drm_global_item_put(object)
> >  )
> >
> >  @r depends on report@
> > @@ -87,6 +93,10 @@ drm_property_unreference_blob@p(object)
> >  drm_property_reference_blob@p(object)
> >  |
> >  drm_dev_unref@p(object)
> > +|
> > +drm_global_item_ref@p(object)
> > +|
> > +drm_global_item_unref@p(object)
> >  )
> >
> >  @script:python depends on report@
> > --
> > 2.7.4
> >
> > --
> > You received this message because you are subscribed to the Google Groups "outreachy-kernel" group.
> > To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com.
> > To post to this group, send email to outreachy-kernel@googlegroups.com.
> > To view this discussion on the web visit https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_outreachy-2Dkernel_20180313120205.GA12094-2540Haneen&d=DwIBaQ&c=uilaK90D4TOVoH58JNXRgQ&r=HaJ2a6NYExoV0cntAYcoqA&m=lzwHnvRNz61FBHPvl4HfIBLShUjYqqwqPa71bjZfD8s&s=DyQDIfuyq7myO_vPBFx2Q0Zcfw02bS6dmgl7-0Jpu_g&e=.
> > For more options, visit https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout&d=DwIBaQ&c=uilaK90D4TOVoH58JNXRgQ&r=HaJ2a6NYExoV0cntAYcoqA&m=lzwHnvRNz61FBHPvl4HfIBLShUjYqqwqPa71bjZfD8s&s=e6bdl63FX0aaxoLxsziLGjrJMNg0yc4DcP9y9tRi7AM&e=.
> 
> 
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - https://urldefense.proofpoint.com/v2/url?u=http-3A__blog.ffwll.ch&d=DwIBaQ&c=uilaK90D4TOVoH58JNXRgQ&r=HaJ2a6NYExoV0cntAYcoqA&m=lzwHnvRNz61FBHPvl4HfIBLShUjYqqwqPa71bjZfD8s&s=__U-EO6t1rL8vdlANyHATVi-smcnlKxMwyznL5ntZ7s&e=


^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2018-03-20 14:20 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-03-13 12:02 [PATCH DRM] drm: Introduce drm_global_item_{get/put}() Haneen Mohammed
2018-03-13 12:02 ` Haneen Mohammed
2018-03-19 21:06 ` [Outreachy kernel] " Daniel Vetter
2018-03-19 21:06   ` Daniel Vetter
2018-03-20 14:17   ` Sinclair Yeh
2018-03-20 14:17     ` Sinclair Yeh

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