drm/nv50-nvc0/vm: don't touch chan_vm
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvc0_vm.c b/drivers/gpu/drm/nouveau/nvc0_vm.c
index a179e6c..9e35294 100644
--- a/drivers/gpu/drm/nouveau/nvc0_vm.c
+++ b/drivers/gpu/drm/nouveau/nvc0_vm.c
@@ -105,7 +105,11 @@
struct drm_device *dev = vm->dev;
struct nouveau_vm_pgd *vpgd;
unsigned long flags;
- u32 engine = (dev_priv->chan_vm == vm) ? 1 : 5;
+ u32 engine;
+
+ engine = 1;
+ if (vm == dev_priv->bar1_vm || vm == dev_priv->bar3_vm)
+ engine |= 4;
pinstmem->flush(vm->dev);