1 files changed, 46 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1518-drm-amdgpu-Signal-eviction-fence.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1518-drm-amdgpu-Signal-eviction-fence.patch
new file mode 100644
index 00000000..6bce6ae5
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1518-drm-amdgpu-Signal-eviction-fence.patch
@@ -0,0 +1,46 @@
+From 51bcb055e0c9c68b27383ecf95e8e282f23bc222 Mon Sep 17 00:00:00 2001
+From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+Date: Fri, 2 Sep 2016 16:03:44 -0400
+Subject: [PATCH 1518/4131] drm/amdgpu: Signal eviction fence
+
+When amdgpu_amdkfd_fence.enable_signaling() is called, it means that GPU
+scheduler has a job ready to evict a KFD BO. Notify KFD driver to
+prepare for eviction.
+
+Change-Id: I0a00a5df5e79f39e42d790842efacb67cc3e918b
+Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c | 14 ++++++++++----
+ 1 file changed, 10 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
+index 6fdd24c..7026781 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
+@@ -117,13 +117,19 @@ static const char *amd_kfd_fence_get_timeline_name(struct fence *f)
+  */
+ static bool amd_kfd_fence_enable_signaling(struct fence *f)
+ {
++	struct amdgpu_amdkfd_fence *fence = to_amdgpu_amdkfd_fence(f);
++
++	if (!fence)
++		return false;
++
+ 	if (fence_is_signaled(f))
+ 		return true;
+ 
+-	/* TODO: If the fence is not signaled, call into KFD to schedule
+-	 * work item that will prepare for KFD BO evictions
+-	 */
+-	return true;
++	if (!kgd2kfd->schedule_evict_and_restore_process(
++				(struct mm_struct *)fence->mm, f))
++		return true;
++
++	return false;
+ }
+ 
+ static int amd_kfd_fence_signal(struct fence *f)
+-- 
+2.7.4
+