diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 374ecacc6183704344e00ce152b1bbdade5c0c71..33198dd5706c167de0cfe3f2307c3d847f63eb15 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2350,7 +2350,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	/*
 	  Find the total latency for the display data.
 	*/
-	disp_latency_overhead.full = rfixed_const(80);
+	disp_latency_overhead.full = rfixed_const(8);
 	disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
 	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
 	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;