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authorDave Airlie <airlied@redhat.com>2023-06-19 15:59:52 +1000
committerDave Airlie <airlied@redhat.com>2023-06-19 16:01:25 +1000
commitcce3b573a52a41dd7face9dbf745f10f9bf4632b (patch)
tree4540c11587221cfb90ac9cfb7916b2d2c17c6127 /include/drm
parentbcbede6fbeb0e1eb85ccbb532faf06d3b31f0e73 (diff)
parent45a3e24f65e90a047bef86f927ebdc4c710edaa1 (diff)
Backmerge tag 'v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Linux 6.4-rc7 Need this to pull in the msm work. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_managed.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h
index 359883942612..ad08f834af40 100644
--- a/include/drm/drm_managed.h
+++ b/include/drm/drm_managed.h
@@ -105,6 +105,22 @@ char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp);
void drmm_kfree(struct drm_device *dev, void *data);
-int drmm_mutex_init(struct drm_device *dev, struct mutex *lock);
+void __drmm_mutex_release(struct drm_device *dev, void *res);
+
+/**
+ * drmm_mutex_init - &drm_device-managed mutex_init()
+ * @dev: DRM device
+ * @lock: lock to be initialized
+ *
+ * Returns:
+ * 0 on success, or a negative errno code otherwise.
+ *
+ * This is a &drm_device-managed version of mutex_init(). The initialized
+ * lock is automatically destroyed on the final drm_dev_put().
+ */
+#define drmm_mutex_init(dev, lock) ({ \
+ mutex_init(lock); \
+ drmm_add_action_or_reset(dev, __drmm_mutex_release, lock); \
+}) \
#endif