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authorChristian König <christian.koenig@amd.com>2018-04-19 13:58:42 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-05-24 10:07:53 -0500
commita7f91061c60ad9cac2e6a03b642be6a4f88b3662 (patch)
treeda33dfc09607d8808947d2a7fb2f4180b5dcfdff /drivers/gpu/drm/amd/amdgpu
parent789f3317ed33e34fa97c8918c075c68a62e51a4d (diff)
downloadlinux-a7f91061c60ad9cac2e6a03b642be6a4f88b3662.tar.bz2
drm/amdgpu: kmap PDs/PTs in amdgpu_vm_update_directories
In theory it is possible that PDs/PTs can move without eviction. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 4d88b060fbde..a31afac8e8e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -242,13 +242,6 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
spin_unlock(&glob->lru_lock);
}
- if (bo->tbo.type == ttm_bo_type_kernel &&
- vm->use_cpu_for_update) {
- r = amdgpu_bo_kmap(bo, NULL);
- if (r)
- break;
- }
-
if (bo->tbo.type != ttm_bo_type_kernel) {
spin_lock(&vm->moved_lock);
list_move(&bo_base->vm_status, &vm->moved);
@@ -940,6 +933,14 @@ restart:
params.adev = adev;
if (vm->use_cpu_for_update) {
+ struct amdgpu_vm_bo_base *bo_base;
+
+ list_for_each_entry(bo_base, &vm->relocated, vm_status) {
+ r = amdgpu_bo_kmap(bo_base->bo, NULL);
+ if (unlikely(r))
+ return r;
+ }
+
r = amdgpu_vm_wait_pd(adev, vm, AMDGPU_FENCE_OWNER_VM);
if (unlikely(r))
return r;