diff --git a/[refs] b/[refs]
index 4aad41ba8d32..5c852058fe85 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4613ca14b9739428abb53bef9cd0f8b3fee23a95
+refs/heads/master: 668bbc81baf0f34df832d8aca5c7d5e19a493c68
diff --git a/trunk/drivers/gpu/drm/radeon/evergreen_cs.c b/trunk/drivers/gpu/drm/radeon/evergreen_cs.c
index 5cea852237ee..7a445666e71f 100644
--- a/trunk/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/trunk/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -3316,6 +3316,7 @@ static bool evergreen_vm_reg_valid(u32 reg)
 
 	/* check config regs */
 	switch (reg) {
+	case WAIT_UNTIL:
 	case GRBM_GFX_INDEX:
 	case CP_STRMOUT_CNTL:
 	case CP_COHER_CNTL: