From 4d5d96d21f2f7ced3bdaba4d527176db0e0eb3f2 Mon Sep 17 00:00:00 2001
From: YueHaibing <yuehaibing@huawei.com>
Date: Wed, 15 Jul 2020 11:21:04 +0800
Subject: drm/i915: Remove unused inline function drain_delayed_work()
Git-commit: 3e6761fd2a3a9a0a13ec16f25897d3dde6414497
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

It is not used since commit 058179e72e09 ("drm/i915/gt: Replace
hangcheck by heartbeats")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200715032104.32052-1-yuehaibing@huawei.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/i915_utils.h | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
index b1c5955a52e1..54773371e6bd 100644
--- a/drivers/gpu/drm/i915/i915_utils.h
+++ b/drivers/gpu/drm/i915/i915_utils.h
@@ -266,19 +266,6 @@ static inline int list_is_last_rcu(const struct list_head *list,
 	return READ_ONCE(list->next) == head;
 }
 
-/*
- * 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));
-}
-
 static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m)
 {
 	unsigned long j = msecs_to_jiffies(m);
-- 
2.29.2