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-rw-r--r--include/drm/drm_managed.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h
index 53017cc609ac..72bfac002c06 100644
--- a/include/drm/drm_managed.h
+++ b/include/drm/drm_managed.h
@@ -129,14 +129,25 @@ void __drmm_mutex_release(struct drm_device *dev, void *res);
void __drmm_workqueue_release(struct drm_device *device, void *wq);
+/**
+ * drmm_alloc_ordered_workqueue - &drm_device managed alloc_ordered_workqueue()
+ * @dev: DRM device
+ * @fmt: printf format for the name of the workqueue
+ * @flags: WQ_* flags (only WQ_FREEZABLE and WQ_MEM_RECLAIM are meaningful)
+ * @args: args for @fmt
+ *
+ * This is a &drm_device-managed version of alloc_ordered_workqueue(). The
+ * allocated workqueue is automatically destroyed on the final drm_dev_put().
+ *
+ * Returns: workqueue on success, negative ERR_PTR otherwise.
+ */
#define drmm_alloc_ordered_workqueue(dev, fmt, flags, args...) \
({ \
struct workqueue_struct *wq = alloc_ordered_workqueue(fmt, flags, ##args); \
wq ? ({ \
int ret = drmm_add_action_or_reset(dev, __drmm_workqueue_release, wq); \
ret ? ERR_PTR(ret) : wq; \
- }) : \
- wq; \
+ }) : ERR_PTR(-ENOMEM); \
})
#endif