diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index ba19b9a..6ff1180 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3127,7 +3127,8 @@
 	evergreen_irq_set(rdev);
 
 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
-			     R600_CP_RB_RPTR, R600_CP_RB_WPTR);
+			     R600_CP_RB_RPTR, R600_CP_RB_WPTR,
+			     0, 0xfffff, RADEON_CP_PACKET2);
 	if (r)
 		return r;
 	r = evergreen_cp_load_microcode(rdev);