drm/nv50: correct wait condition for instmem flush

Reported-by: NMarcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nv50_instmem.c

@@ -487,7 +487,7 @@ void
 nv50_instmem_flush(struct drm_device *dev)
 {
 	nv_wr32(dev, 0x00330c, 0x00000001);
-	if (!nv_wait(0x00330c, 0x00000001, 0x00000000))
+	if (!nv_wait(0x00330c, 0x00000002, 0x00000000))
 		NV_ERROR(dev, "PRAMIN flush timeout\n");
 }
 
@@ -495,7 +495,7 @@ void
 nv84_instmem_flush(struct drm_device *dev)
 {
 	nv_wr32(dev, 0x070000, 0x00000001);
-	if (!nv_wait(0x070000, 0x00000001, 0x00000000))
+	if (!nv_wait(0x070000, 0x00000002, 0x00000000))
 		NV_ERROR(dev, "PRAMIN flush timeout\n");
 }