1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1543-drm-amdgpu-Fix-KFD-System-Memory-usage-limit.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1543-drm-amdgpu-Fix-KFD-System-Memory-usage-limit.patch
new file mode 100644
index 00000000..42fe3da6
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1543-drm-amdgpu-Fix-KFD-System-Memory-usage-limit.patch
@@ -0,0 +1,38 @@
+From 76dc0f4898902fdbdf9c5c231b854ca717b437d1 Mon Sep 17 00:00:00 2001
+From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+Date: Wed, 19 Oct 2016 17:37:59 -0400
+Subject: [PATCH 1543/4131] drm/amdgpu: Fix KFD System Memory usage limit
+
+Change-Id: I0b0bb2a0672b33d06c7fac51ef56b816640f9103
+Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+index 5b6fd44..9b3ee7e 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+@@ -73,7 +73,7 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *avm,
+ }
+ 
+ /* Set memory usage limits. Current, limits are
+- *  System (kernel) memory - 1/4th System RAM
++ *  System (kernel) memory - 3/8th System RAM
+  *  Userptr memory - 3/4th System RAM
+  */
+ void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
+@@ -86,8 +86,8 @@ void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
+ 	mem *= si.mem_unit;
+ 
+ 	spin_lock_init(&kfd_mem_limit.mem_limit_lock);
+-	kfd_mem_limit.max_system_mem_limit = (mem >> 2) - (mem >> 4);
+-	kfd_mem_limit.max_userptr_mem_limit = mem - (mem >> 4);
++	kfd_mem_limit.max_system_mem_limit = (mem >> 1) - (mem >> 3);
++	kfd_mem_limit.max_userptr_mem_limit = mem - (mem >> 2);
+ 	pr_debug("Kernel memory limit %lluM, userptr limit %lluM\n",
+ 		(kfd_mem_limit.max_system_mem_limit >> 20),
+ 		(kfd_mem_limit.max_userptr_mem_limit >> 20));
+-- 
+2.7.4
+