static int
 curs507a_update(struct nv50_wndw *wndw, u32 *interlock)
 {
+       struct nvif_object *user = &wndw->wimm.base.user;
        int ret = nvif_chan_wait(&wndw->wimm, 1);
-       if (ret == 0)
-               nvif_wr32(&wndw->wimm.base.user, 0x0080, 0x00000000);
+       if (ret == 0) {
+               NVIF_WR32(user, NV507A, UPDATE,
+                         NVDEF(NV507A, UPDATE, INTERLOCK_WITH_CORE, DISABLE));
+       }
        return ret;
 }
 
 
 static int
 cursc37a_update(struct nv50_wndw *wndw, u32 *interlock)
 {
+       struct nvif_object *user = &wndw->wimm.base.user;
        int ret = nvif_chan_wait(&wndw->wimm, 1);
        if (ret == 0)
-               nvif_wr32(&wndw->wimm.base.user, 0x0200, 0x00000001);
+               NVIF_WR32(user, NVC37A, UPDATE, 0x00000001);
        return ret;
 }
 
 
        if ((ret = PUSH_WAIT(push, 2)))
                return ret;
 
-       PUSH_NVSQ(push, NVC37B, 0x0200, ((interlock[NV50_DISP_INTERLOCK_WNDW] &
-                                         wndw->interlock.data) ? 0x00000002 : 0x00000000) |
-                                       0x00000001);
+       PUSH_MTHD(push, NVC37B, UPDATE, 0x00000001 |
+                 NVVAL(NVC37B, UPDATE, INTERLOCK_WITH_WINDOW,
+                       !!(interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data)));
        return PUSH_KICK(push);
 }