diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0351-drm-amdgpu-add-amdgpu_vm_pt_parent-helper.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0351-drm-amdgpu-add-amdgpu_vm_pt_parent-helper.patch | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0351-drm-amdgpu-add-amdgpu_vm_pt_parent-helper.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0351-drm-amdgpu-add-amdgpu_vm_pt_parent-helper.patch new file mode 100644 index 00000000..529b4eba --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0351-drm-amdgpu-add-amdgpu_vm_pt_parent-helper.patch @@ -0,0 +1,79 @@ +From 7982cc786e750ff0b44651fac176108279341453 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Thu, 30 Aug 2018 15:55:54 +0200 +Subject: [PATCH 0351/2940] drm/amdgpu: add amdgpu_vm_pt_parent helper +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Add a function to get the parent of a PD/PT. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> +Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 36 ++++++++++++++++---------- + 1 file changed, 23 insertions(+), 13 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index afa1abab5541..b56f6de5a9e1 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -337,6 +337,24 @@ static void amdgpu_vm_bo_base_init(struct amdgpu_vm_bo_base *base, + amdgpu_vm_bo_evicted(base); + } + ++/** ++ * amdgpu_vm_pt_parent - get the parent page directory ++ * ++ * @pt: child page table ++ * ++ * Helper to get the parent entry for the child page table. NULL if we are at ++ * the root page directory. ++ */ ++static struct amdgpu_vm_pt *amdgpu_vm_pt_parent(struct amdgpu_vm_pt *pt) ++{ ++ struct amdgpu_bo *parent = pt->base.bo->parent; ++ ++ if (!parent) ++ return NULL; ++ ++ return list_first_entry(&parent->va, struct amdgpu_vm_pt, base.bo_list); ++} ++ + /** + * amdgpu_vm_get_pd_bo - add the VM PD to a validation list + * +@@ -1202,24 +1220,16 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev, + } + + while (!list_empty(&vm->relocated)) { +- struct amdgpu_vm_bo_base *bo_base, *parent; + struct amdgpu_vm_pt *pt, *entry; +- struct amdgpu_bo *bo; + +- bo_base = list_first_entry(&vm->relocated, +- struct amdgpu_vm_bo_base, +- vm_status); +- amdgpu_vm_bo_idle(bo_base); ++ entry = list_first_entry(&vm->relocated, struct amdgpu_vm_pt, ++ base.vm_status); ++ amdgpu_vm_bo_idle(&entry->base); + +- bo = bo_base->bo->parent; +- if (!bo) ++ pt = amdgpu_vm_pt_parent(entry); ++ if (!pt) + continue; + +- parent = list_first_entry(&bo->va, struct amdgpu_vm_bo_base, +- bo_list); +- pt = container_of(parent, struct amdgpu_vm_pt, base); +- entry = container_of(bo_base, struct amdgpu_vm_pt, base); +- + amdgpu_vm_update_pde(¶ms, vm, pt, entry); + + if (!vm->use_cpu_for_update && +-- +2.17.1 + |