Requested by both Bas and Friedrich. Mapping PTEs as PRT doesn't need to
sync for anything.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 13d429b91327..a42e172b7dbc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1158,7 +1158,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va,
int r;
amdgpu_sync_create(&sync);
- if (clear || !bo) {
+ if (clear) {
mem = NULL;
/* Implicitly sync to command submissions in the same VM before
@@ -1173,6 +1173,10 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va,
if (r)
goto error_free;
}
+ } else if (!bo) {
+ mem = NULL;
+
+ /* PRT map operations don't need to sync to anything. */
} else {
struct drm_gem_object *obj = &bo->tbo.base;
--
2.34.1
