diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1764-drm-amdgpu-Fix-recursive-evict-restore-worker-on-a-m.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/1764-drm-amdgpu-Fix-recursive-evict-restore-worker-on-a-m.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1764-drm-amdgpu-Fix-recursive-evict-restore-worker-on-a-m.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1764-drm-amdgpu-Fix-recursive-evict-restore-worker-on-a-m.patch new file mode 100644 index 00000000..b7164bdf --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1764-drm-amdgpu-Fix-recursive-evict-restore-worker-on-a-m.patch @@ -0,0 +1,45 @@ +From ccd8b3a0eda53f434ff634b2babff0264975741f Mon Sep 17 00:00:00 2001 +From: Shaoyun Liu <Shaoyun.Liu@amd.com> +Date: Fri, 4 Aug 2017 18:44:20 -0400 +Subject: [PATCH 1764/4131] drm/amdgpu: Fix recursive evict/restore worker on a + multiple mapped bo + +When one buffer object is mapped muliple times, KFD will treat them as +different memory object but share the same ttm_bo with a single eviction +fence. Separate the ttm_bo_wait and attach eviction fence code to avoid +ttm_bo_wait trigger the eviction worker on the bo that just be assigned +with the eviction fence + +Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com> + +Change-Id: I4a7dba32c21cbd5fc77512c0476b8d2b4b6ea155 +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 12 ++++++------ + 1 file changed, 6 insertions(+), 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +index 764585f..80b5197 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +@@ -2368,12 +2368,12 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info) + + /* Wait for validate to finish and attach new eviction fence */ + list_for_each_entry(mem, &process_info->kfd_bo_list, +- validate_list.head) { +- struct amdgpu_bo *bo = mem->bo; +- +- ttm_bo_wait(&bo->tbo, false, false); +- amdgpu_bo_fence(bo, &process_info->eviction_fence->base, true); +- } ++ validate_list.head) ++ ttm_bo_wait(&mem->bo->tbo, false, false); ++ list_for_each_entry(mem, &process_info->kfd_bo_list, ++ validate_list.head) ++ amdgpu_bo_fence(mem->bo, ++ &process_info->eviction_fence->base, true); + + /* Attach eviction fence to PD / PT BOs */ + list_for_each_entry(peer_vm, &process_info->vm_list_head, +-- +2.7.4 + |