1 files changed, 0 insertions, 92 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0093-drm-vc4-bo-cache-locking-cleanup.patch b/target/linux/brcm2708/patches-4.4/0093-drm-vc4-bo-cache-locking-cleanup.patch
deleted file mode 100644
index b919d92fb1..0000000000
--- a/target/linux/brcm2708/patches-4.4/0093-drm-vc4-bo-cache-locking-cleanup.patch
+++ /dev/null
@@ -1,92 +0,0 @@
-From 2588849ca1efc5766a36bac287b7a7754c7191e1 Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Mon, 19 Oct 2015 08:29:41 -0700
-Subject: [PATCH] drm/vc4: bo cache locking cleanup.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/gpu/drm/vc4/vc4_bo.c | 22 +++++++++-------------
- 1 file changed, 9 insertions(+), 13 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_bo.c
-+++ b/drivers/gpu/drm/vc4/vc4_bo.c
-@@ -215,7 +215,6 @@ vc4_bo_cache_free_old(struct drm_device
- 	struct vc4_dev *vc4 = to_vc4_dev(dev);
- 	unsigned long expire_time = jiffies - msecs_to_jiffies(1000);
- 
--	mutex_lock(&vc4->bo_lock);
- 	while (!list_empty(&vc4->bo_cache.time_list)) {
- 		struct vc4_bo *bo = list_last_entry(&vc4->bo_cache.time_list,
- 						    struct vc4_bo, unref_head);
-@@ -223,14 +222,12 @@ vc4_bo_cache_free_old(struct drm_device
- 			mod_timer(&vc4->bo_cache.time_timer,
- 				  round_jiffies_up(jiffies +
- 						   msecs_to_jiffies(1000)));
--			mutex_unlock(&vc4->bo_lock);
- 			return;
- 		}
- 
- 		vc4_bo_remove_from_cache(bo);
- 		vc4_bo_destroy(bo);
- 	}
--	mutex_unlock(&vc4->bo_lock);
- }
- 
- /* Called on the last userspace/kernel unreference of the BO.  Returns
-@@ -245,29 +242,24 @@ void vc4_free_object(struct drm_gem_obje
- 	struct vc4_bo *bo = to_vc4_bo(gem_bo);
- 	struct list_head *cache_list;
- 
-+	mutex_lock(&vc4->bo_lock);
- 	/* If the object references someone else's memory, we can't cache it.
- 	 */
- 	if (gem_bo->import_attach) {
--		mutex_lock(&vc4->bo_lock);
- 		vc4_bo_destroy(bo);
--		mutex_unlock(&vc4->bo_lock);
--		return;
-+		goto out;
- 	}
- 
- 	/* Don't cache if it was publicly named. */
- 	if (gem_bo->name) {
--		mutex_lock(&vc4->bo_lock);
- 		vc4_bo_destroy(bo);
--		mutex_unlock(&vc4->bo_lock);
--		return;
-+		goto out;
- 	}
- 
--	mutex_lock(&vc4->bo_lock);
- 	cache_list = vc4_get_cache_list_for_size(dev, gem_bo->size);
- 	if (!cache_list) {
- 		vc4_bo_destroy(bo);
--		mutex_unlock(&vc4->bo_lock);
--		return;
-+		goto out;
- 	}
- 
- 	if (bo->validated_shader) {
-@@ -282,9 +274,11 @@ void vc4_free_object(struct drm_gem_obje
- 
- 	vc4->bo_stats.num_cached++;
- 	vc4->bo_stats.size_cached += gem_bo->size;
--	mutex_unlock(&vc4->bo_lock);
- 
- 	vc4_bo_cache_free_old(dev);
-+
-+out:
-+	mutex_unlock(&vc4->bo_lock);
- }
- 
- static void vc4_bo_cache_time_work(struct work_struct *work)
-@@ -293,7 +287,9 @@ static void vc4_bo_cache_time_work(struc
- 		container_of(work, struct vc4_dev, bo_cache.time_work);
- 	struct drm_device *dev = vc4->dev;
- 
-+	mutex_lock(&vc4->bo_lock);
- 	vc4_bo_cache_free_old(dev);
-+	mutex_unlock(&vc4->bo_lock);
- }
- 
- static void vc4_bo_cache_time_timer(unsigned long data)