diff --git a/drivers/gpu/drm/nouveau/nouveau_calc.c b/drivers/gpu/drm/nouveau/nouveau_calc.c
index dad96cc..4aa182b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_calc.c
+++ b/drivers/gpu/drm/nouveau/nouveau_calc.c
@@ -242,8 +242,8 @@ nv20_update_arb(int *burst, int *lwm)
 	burst_size = 512;
 	graphics_lwm = fifo_size - burst_size;
 
-	*burst = ilog2(burst_size >> 5);
-	*lwm = graphics_lwm >> 3;
+	*burst = 7;
+	*lwm = 0x1e0;
 }
 
 void