1 files changed, 0 insertions, 127 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0916-drm-amdgpu-use-a-rw_semaphore-for-MMU-notifiers.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0916-drm-amdgpu-use-a-rw_semaphore-for-MMU-notifiers.patch
deleted file mode 100644
index 9683c583..00000000
--- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0916-drm-amdgpu-use-a-rw_semaphore-for-MMU-notifiers.patch
+++ /dev/null
@@ -1,127 +0,0 @@
-From 141a7a5b253a80a5c7f2fb991a3311420250199d Mon Sep 17 00:00:00 2001
-From: Christian Koenig <christian.koenig@amd.com>
-Date: Mon, 11 Sep 2017 18:19:39 -0400
-Subject: [PATCH 0916/4131] drm/amdgpu: use a rw_semaphore for MMU notifiers
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Allow at least some parallel processing.
-
-Signed-off-by: Christian König <christian.koenig@amd.com>
-Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
-Signed-off-by: Kalyan Alle <kalyan.alle@amd.com>
-
- Conflicts:
-        drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
-
-Change-Id: Ia2c13487a91dcf01c954632579d9b00fdae44c81
----
- drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 22 +++++++++++-----------
- 1 file changed, 11 insertions(+), 11 deletions(-)
-
-diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
-index 06b031f..14f313e 100644
---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
-+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
-@@ -50,7 +50,7 @@ struct amdgpu_mn {
- 	struct hlist_node	node;
- 
- 	/* objects protected by lock */
--	struct mutex		lock;
-+	struct rw_semaphore     lock;
- 	struct rb_root_cached	objects;
- };
- 
-@@ -74,7 +74,7 @@ static void amdgpu_mn_destroy(struct work_struct *work)
- 	struct amdgpu_bo *bo, *next_bo;
- 
- 	mutex_lock(&adev->mn_lock);
--	mutex_lock(&rmn->lock);
-+	down_write(&rmn->lock);
- 	hash_del(&rmn->node);
- 	rbtree_postorder_for_each_entry_safe(node, next_node,
- 					     &rmn->objects.rb_root, it.rb) {
-@@ -84,7 +84,7 @@ static void amdgpu_mn_destroy(struct work_struct *work)
- 		}
- 		kfree(node);
- 	}
--	mutex_unlock(&rmn->lock);
-+	up_write(&rmn->lock);
- 	mutex_unlock(&adev->mn_lock);
- 	mmu_notifier_unregister_no_release(&rmn->mn, rmn->mm);
- 	kfree(rmn);
-@@ -165,7 +165,7 @@ static void amdgpu_mn_invalidate_range_start(struct mmu_notifier *mn,
- 	/* notification is exclusive, but interval is inclusive */
- 	end -= 1;
- 
--	mutex_lock(&rmn->lock);
-+	down_read(&rmn->lock);
- 
- 	it = interval_tree_iter_first(&rmn->objects, start, end);
- 	while (it) {
-@@ -177,7 +177,7 @@ static void amdgpu_mn_invalidate_range_start(struct mmu_notifier *mn,
- 		amdgpu_mn_invalidate_node(node, start, end);
- 	}
- 
--	mutex_unlock(&rmn->lock);
-+	up_read(&rmn->lock);
- }
- 
- static const struct mmu_notifier_ops amdgpu_mn_ops = {
-@@ -217,7 +217,7 @@ static struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev)
- 	rmn->adev = adev;
- 	rmn->mm = mm;
- 	rmn->mn.ops = &amdgpu_mn_ops;
--	mutex_init(&rmn->lock);
-+	init_rwsem(&rmn->lock);
- 	rmn->objects = RB_ROOT_CACHED;
- 
- 	r = __mmu_notifier_register(&rmn->mn, mm);
-@@ -264,7 +264,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
- 
- 	INIT_LIST_HEAD(&bos);
- 
--	mutex_lock(&rmn->lock);
-+	down_write(&rmn->lock);
- 
- 	while ((it = interval_tree_iter_first(&rmn->objects, addr, end))) {
- 		kfree(node);
-@@ -278,7 +278,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
- 	if (!node) {
- 		node = kmalloc(sizeof(struct amdgpu_mn_node), GFP_NOIO);
- 		if (!node) {
--			mutex_unlock(&rmn->lock);
-+			up_write(&rmn->lock);
- 			return -ENOMEM;
- 		}
- 	}
-@@ -293,7 +293,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
- 
- 	interval_tree_insert(&node->it, &rmn->objects);
- 
--	mutex_unlock(&rmn->lock);
-+	up_write(&rmn->lock);
- 
- 	return 0;
- }
-@@ -319,7 +319,7 @@ void amdgpu_mn_unregister(struct amdgpu_bo *bo)
- 		return;
- 	}
- 
--	mutex_lock(&rmn->lock);
-+	down_write(&rmn->lock);
- 
- 	/* save the next list entry for later */
- 	head = bo->mn_list.next;
-@@ -334,6 +334,6 @@ void amdgpu_mn_unregister(struct amdgpu_bo *bo)
- 		kfree(node);
- 	}
- 
--	mutex_unlock(&rmn->lock);
-+	up_write(&rmn->lock);
- 	mutex_unlock(&adev->mn_lock);
- }
--- 
-2.7.4
-