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-rw-r--r--drivers/gpu/drm/i915/i915_utils.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
index 12fc250b47b9..af3d7cc53fa1 100644
--- a/drivers/gpu/drm/i915/i915_utils.h
+++ b/drivers/gpu/drm/i915/i915_utils.h
@@ -99,6 +99,11 @@
__T; \
})
+static inline u64 ptr_to_u64(const void *ptr)
+{
+ return (uintptr_t)ptr;
+}
+
#define u64_to_ptr(T, x) ({ \
typecheck(u64, x); \
(T *)(uintptr_t)(x); \
@@ -119,4 +124,17 @@ static inline void __list_del_many(struct list_head *head,
WRITE_ONCE(head->next, first);
}
+/*
+ * Wait until the work is finally complete, even if it tries to postpone
+ * by requeueing itself. Note, that if the worker never cancels itself,
+ * we will spin forever.
+ */
+static inline void drain_delayed_work(struct delayed_work *dw)
+{
+ do {
+ while (flush_delayed_work(dw))
+ ;
+ } while (delayed_work_pending(dw));
+}
+
#endif /* !__I915_UTILS_H */