drm/nvc0: enable protection of system-use-only structures in vm

Somehow missed this in the original merge of the nvc0 code.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c
index 2e1b1cd19a4..ea0041810ae 100644
--- a/drivers/gpu/drm/nouveau/nv50_instmem.c
+++ b/drivers/gpu/drm/nouveau/nv50_instmem.c
@@ -332,8 +332,11 @@ nv50_instmem_get(struct nouveau_gpuobj *gpuobj, u32 size, u32 align)
         gpuobj->vinst = node->vram->offset;
 
         if (gpuobj->flags & NVOBJ_FLAG_VM) {
-                ret = nouveau_vm_get(dev_priv->chan_vm, size, 12,
-                                     NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
+                u32 flags = NV_MEM_ACCESS_RW;
+                if (!(gpuobj->flags & NVOBJ_FLAG_VM_USER))
+                        flags |= NV_MEM_ACCESS_SYS;
+
+                ret = nouveau_vm_get(dev_priv->chan_vm, size, 12, flags,
                                      &node->chan_vma);
                 if (ret) {
                         vram->put(dev, &node->vram);