drm/i915: Silence a few -Wunused-but-set-variable
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index cacc89f..5f7bbaa 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -893,6 +893,10 @@
/* Disable the ring buffer. The ring must be idle at this point */
dev_priv = ring->dev->dev_private;
ret = intel_wait_ring_buffer(ring, ring->size - 8);
+ if (ret)
+ DRM_ERROR("failed to quiesce %s whilst cleaning up: %d\n",
+ ring->name, ret);
+
I915_WRITE_CTL(ring, 0);
drm_core_ioremapfree(&ring->map, ring->dev);