diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 8f6ff0762fe2..ed1d91025928 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -1738,7 +1738,7 @@ static void cik_select_se_sh(struct radeon_device *rdev,
 	u32 data = INSTANCE_BROADCAST_WRITES;
 
 	if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
-		data = SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
+		data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
 	else if (se_num == 0xffffffff)
 		data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
 	else if (sh_num == 0xffffffff)