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-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0178-drm-amdgpu-validate-the-VM-root-PD-from-the-VM-code.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0178-drm-amdgpu-validate-the-VM-root-PD-from-the-VM-code.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0178-drm-amdgpu-validate-the-VM-root-PD-from-the-VM-code.patch
new file mode 100644
index 00000000..5690b179
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0178-drm-amdgpu-validate-the-VM-root-PD-from-the-VM-code.patch
@@ -0,0 +1,42 @@
+From e6a0a522bb4151d059ed1843aaa25d2dad3a4179 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
+Date: Wed, 15 Aug 2018 19:10:40 +0200
+Subject: [PATCH 0178/2940] drm/amdgpu: validate the VM root PD from the VM
+ code
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Preparation for following changes. This validates the root PD twice,
+but the overhead of that should be minimal.
+
+Signed-off-by: Christian König <christian.koenig@amd.com>
+Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+index 82c2af1e13d9..95e1592078aa 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+@@ -292,11 +292,11 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+ list_for_each_entry_safe(bo_base, tmp, &vm->evicted, vm_status) {
+ struct amdgpu_bo *bo = bo_base->bo;
+
+- if (bo->parent) {
+- r = validate(param, bo);
+- if (r)
+- break;
++ r = validate(param, bo);
++ if (r)
++ break;
+
++ if (bo->parent) {
+ spin_lock(&glob->lru_lock);
+ ttm_bo_move_to_lru_tail(&bo->tbo);
+ if (bo->shadow)
+--
+2.17.1
+