1 files changed, 0 insertions, 54 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch b/target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch
deleted file mode 100644
index d9d1048a92..0000000000
--- a/target/linux/brcm2708/patches-4.4/0094-drm-vc4-Use-job_lock-to-protect-seqno_cb_list.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-From cfa018eec8227589076e45fd65f654e525349ff5 Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Mon, 19 Oct 2015 08:32:24 -0700
-Subject: [PATCH] drm/vc4: Use job_lock to protect seqno_cb_list.
-
-We're (mostly) not supposed to be using struct_mutex in drivers these
-days.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/gpu/drm/vc4/vc4_gem.c | 8 +++++---
- 1 file changed, 5 insertions(+), 3 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_gem.c
-+++ b/drivers/gpu/drm/vc4/vc4_gem.c
-@@ -474,7 +474,6 @@ vc4_job_handle_completed(struct vc4_dev
- 		vc4_complete_exec(exec);
- 		spin_lock_irqsave(&vc4->job_lock, irqflags);
- 	}
--	spin_unlock_irqrestore(&vc4->job_lock, irqflags);
- 
- 	list_for_each_entry_safe(cb, cb_temp, &vc4->seqno_cb_list, work.entry) {
- 		if (cb->seqno <= vc4->finished_seqno) {
-@@ -482,6 +481,8 @@ vc4_job_handle_completed(struct vc4_dev
- 			schedule_work(&cb->work);
- 		}
- 	}
-+
-+	spin_unlock_irqrestore(&vc4->job_lock, irqflags);
- }
- 
- static void vc4_seqno_cb_work(struct work_struct *work)
-@@ -496,18 +497,19 @@ int vc4_queue_seqno_cb(struct drm_device
- {
- 	struct vc4_dev *vc4 = to_vc4_dev(dev);
- 	int ret = 0;
-+	unsigned long irqflags;
- 
- 	cb->func = func;
- 	INIT_WORK(&cb->work, vc4_seqno_cb_work);
- 
--	mutex_lock(&dev->struct_mutex);
-+	spin_lock_irqsave(&vc4->job_lock, irqflags);
- 	if (seqno > vc4->finished_seqno) {
- 		cb->seqno = seqno;
- 		list_add_tail(&cb->work.entry, &vc4->seqno_cb_list);
- 	} else {
- 		schedule_work(&cb->work);
- 	}
--	mutex_unlock(&dev->struct_mutex);
-+	spin_unlock_irqrestore(&vc4->job_lock, irqflags);
- 
- 	return ret;
- }