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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch
new file mode 100644
index 00000000..f2ded333
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch
@@ -0,0 +1,40 @@
+From f80903c5950399758f2bce1975966272f6d4bcbb Mon Sep 17 00:00:00 2001
+From: Felix Kuehling <Felix.Kuehling@amd.com>
+Date: Thu, 13 Apr 2017 14:56:28 -0400
+Subject: [PATCH 1709/4131] drm/amdgpu: Raise KFD system memory limits to 15/16
+
+Change-Id: I6ab918e3c05b6079154d97e76e473c3820f136e5
+Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+index 2878ef6..3c65aaf 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+@@ -101,8 +101,8 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *avm,
+ }
+
+ /* Set memory usage limits. Current, limits are
+- * System (kernel) memory - 3/8th System RAM
+- * Userptr memory - 3/4th System RAM
++ * System (kernel) memory - 15/16th System RAM
++ * Userptr memory - 15/16th System RAM
+ */
+ void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
+ {
+@@ -114,8 +114,8 @@ 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 >> 1) - (mem >> 3);
+- kfd_mem_limit.max_userptr_mem_limit = mem - (mem >> 2);
++ kfd_mem_limit.max_system_mem_limit = mem - (mem >> 4); /* 15/16 */
++ kfd_mem_limit.max_userptr_mem_limit = mem - (mem >> 4); /* 15/16 */
+ 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
+