diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 590815c4700e..626aaf082b1a 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -390,6 +390,8 @@ static int rs400_startup(struct radeon_device *rdev)
 {
 	int r;
 
+	r100_set_common_regs(rdev);
+
 	rs400_mc_program(rdev);
 	/* Resume clock */
 	r300_clock_startup(rdev);