}
 }
 
-static void
+static int
 base907c_csc_clr(struct nv50_wndw *wndw)
 {
-       u32 *push;
-       if ((push = evo_wait(&wndw->wndw, 2))) {
-               evo_mthd(push, 0x0140, 1);
-               evo_data(push, 0x00000000);
-               evo_kick(push, &wndw->wndw);
-       }
+       struct nvif_push *push = wndw->wndw.push;
+       int ret;
+
+       if ((ret = PUSH_WAIT(push, 2)))
+               return ret;
+
+       PUSH_NVSQ(push, NV907C, 0x0140, 0x00000000);
+       return 0;
 }
 
 static int
 
        evo_kick(push, &wndw->wndw);
 }
 
-static void
+static int
 wndwc57e_csc_clr(struct nv50_wndw *wndw)
 {
-       u32 *push;
-       if ((push = evo_wait(&wndw->wndw, 13))) {
-                evo_mthd(push, 0x0400, 12);
-                evo_data(push, 0x00010000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00010000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00000000);
-                evo_data(push, 0x00010000);
-                evo_data(push, 0x00000000);
-                evo_kick(push, &wndw->wndw);
-       }
+       struct nvif_push *push = wndw->wndw.push;
+       const u32 identity[12] = {
+               0x00010000, 0x00000000, 0x00000000, 0x00000000,
+               0x00000000, 0x00010000, 0x00000000, 0x00000000,
+               0x00000000, 0x00000000, 0x00010000, 0x00000000,
+       };
+       int ret;
+
+       if ((ret = PUSH_WAIT(push, 1 + ARRAY_SIZE(identity))))
+               return ret;
+
+       PUSH_NVSQ(push, NVC57E, 0x0400, identity, ARRAY_SIZE(identity));
+       return 0;
 }
 
 static int