diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1709-drm-amdgpu-Raise-KFD-system-memory-limits-to-15-16.patch b/meta-amd-bsp/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/meta-amd-bsp/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 + |