diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4370-drm-amdgpu-invalidate-parent-bo-when-shadow-bo-was-i.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4370-drm-amdgpu-invalidate-parent-bo-when-shadow-bo-was-i.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4370-drm-amdgpu-invalidate-parent-bo-when-shadow-bo-was-i.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4370-drm-amdgpu-invalidate-parent-bo-when-shadow-bo-was-i.patch new file mode 100644 index 00000000..d8ef5a48 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4370-drm-amdgpu-invalidate-parent-bo-when-shadow-bo-was-i.patch @@ -0,0 +1,42 @@ +From d5aeec65a69b4be760b53124c9027a7786d92203 Mon Sep 17 00:00:00 2001 +From: Chunming Zhou <david1.zhou@amd.com> +Date: Tue, 24 Apr 2018 13:54:10 +0800 +Subject: [PATCH 4370/5725] drm/amdgpu: invalidate parent bo when shadow bo was + invalidated +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Shadow BO is located on GTT and its parent (PT and PD) BO could located on VRAM. +In some case, the BO on GTT could be evicted but the parent did not. This may +cause the shadow BO not be put in the evict list and could not be invalidate +correctly. +v2: suggested by Christian + +Change-Id: Iad10d9a3031fa2b243879b9e58ee4d8c527eb433 +Signed-off-by: Chunming Zhou <david1.zhou@amd.com> +Reported-by: Shaoyun Liu <Shaoyun.Liu@amd.com> +Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index dd84ed4..336abd4 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -2282,6 +2282,10 @@ void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev, + { + struct amdgpu_vm_bo_base *bo_base; + ++ /* shadow bo doesn't have bo base, its validation needs its parent */ ++ if (bo->parent && bo->parent->shadow == bo) ++ bo = bo->parent; ++ + list_for_each_entry(bo_base, &bo->va, bo_list) { + struct amdgpu_vm *vm = bo_base->vm; + +-- +2.7.4 + |