drm/nouveau/kms/nv50-: fix bug preventing non-vsync'd page flips

Accidentally introduced during Volta bring-up.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
index 471a39a077e5..283ff690350e 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
@@ -127,7 +127,7 @@ void
 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
                     struct nv50_wndw_atom *asyw)
 {
-        if (interlock) {
+        if (interlock[NV50_DISP_INTERLOCK_CORE]) {
                 asyw->image.mode = 0;
                 asyw->image.interval = 1;
         }