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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0863-drm-amdgpu-add-alloc-free-for-multi-level-PDs-V2.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0863-drm-amdgpu-add-alloc-free-for-multi-level-PDs-V2.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0863-drm-amdgpu-add-alloc-free-for-multi-level-PDs-V2.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0863-drm-amdgpu-add-alloc-free-for-multi-level-PDs-V2.patch new file mode 100644 index 00000000..9e519d42 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0863-drm-amdgpu-add-alloc-free-for-multi-level-PDs-V2.patch @@ -0,0 +1,50 @@ +From e2a7f2af50163c59dccb82f56b38bd30018a5e96 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Thu, 27 Oct 2016 20:04:38 +0200 +Subject: [PATCH 0863/4131] drm/amdgpu: add alloc/free for multi level PDs V2 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Allocate and free page directories on demand. + +V2: +a. clear entries allocation +b. fix entries index calculation +c. need alloc sub level even parent bo was allocated + +Signed-off-by: Christian König <christian.koenig@amd.com> (v1) +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1) +Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> (v2) +Acked-by: Alex Deucher <alexander.deucher@amd.com> (v2) +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 12 ++---------- + 1 file changed, 2 insertions(+), 10 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index d09a079..05737f2 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -2637,16 +2637,8 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) + list_del(&mapping->list); + amdgpu_vm_free_mapping(adev, vm, mapping, NULL); + } +- +- root = amdgpu_bo_ref(vm->root.bo); +- r = amdgpu_bo_reserve(root, true); +- if (r) { +- dev_err(adev->dev, "Leaking page tables because BO reservation failed\n"); +- } else { +- amdgpu_vm_free_levels(&vm->root); +- amdgpu_bo_unreserve(root); +- } +- amdgpu_bo_unref(&root); ++ ++ amdgpu_vm_free_levels(&vm->root); + dma_fence_put(vm->last_dir_update); + for (i = 0; i < AMDGPU_MAX_VMHUBS; i++) + amdgpu_vm_free_reserved_vmid(adev, vm, i); +-- +2.7.4 + |