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authorJason Gunthorpe <jgg@nvidia.com>2023-06-27 14:06:29 -0300
committerJason Gunthorpe <jgg@nvidia.com>2023-06-27 14:06:29 -0300
commit5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch)
treec81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /include/drm/drm_managed.h
parent4251f631fdfba0b38e4634510c5950ee157cc069 (diff)
parent6995e2de6891c724bfeb2db33d7b87775f913ad1 (diff)
Merge tag 'v6.4' into rdma.git for-next
Linux 6.4 Resolve conflicts between rdma rc and next in rxe_cq matching linux-next: drivers/infiniband/sw/rxe/rxe_cq.c: https://lore.kernel.org/r/20230622115246.365d30ad@canb.auug.org.au Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/drm/drm_managed.h')
-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