diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4599-drm-amdgpu-Raise-KFD-unpinned-system-memory-limit.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4599-drm-amdgpu-Raise-KFD-unpinned-system-memory-limit.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4599-drm-amdgpu-Raise-KFD-unpinned-system-memory-limit.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4599-drm-amdgpu-Raise-KFD-unpinned-system-memory-limit.patch new file mode 100644 index 00000000..f46adc4b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4599-drm-amdgpu-Raise-KFD-unpinned-system-memory-limit.patch @@ -0,0 +1,39 @@ +From eeef2304ec82d7aa4a53e26d1500cd431baeb7d0 Mon Sep 17 00:00:00 2001 +From: Felix Kuehling <Felix.Kuehling@amd.com> +Date: Mon, 25 Nov 2019 16:25:35 -0500 +Subject: [PATCH 4599/4736] drm/amdgpu: Raise KFD unpinned system memory limit + +Allow KFD applications to use more unpinned system memory through +HMM. + +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +Reviewed-by: Yong Zhao <Yong.Zhao@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +index 083bd8fe8057..a0d138849b61 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +@@ -85,7 +85,7 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *avm, + } + + /* Set memory usage limits. Current, limits are +- * System (TTM + userptr) memory - 3/4th System RAM ++ * System (TTM + userptr) memory - 15/16th System RAM + * TTM memory - 3/8th System RAM + */ + void amdgpu_amdkfd_gpuvm_init_mem_limits(void) +@@ -98,7 +98,7 @@ 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 >> 2); ++ kfd_mem_limit.max_system_mem_limit = mem - (mem >> 4); + kfd_mem_limit.max_ttm_mem_limit = (mem >> 1) - (mem >> 3); + pr_debug("Kernel memory limit %lluM, TTM limit %lluM\n", + (kfd_mem_limit.max_system_mem_limit >> 20), +-- +2.17.1 + |