drm/i915: Handle ringbuffer stalls when flushing

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index bbbf505c8b56..5969c2ed1028 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -63,9 +63,9 @@ struct  intel_ring_buffer {
 
         void            (*write_tail)(struct intel_ring_buffer *ring,
                                       u32 value);
-        void            (*flush)(struct intel_ring_buffer *ring,
-                                 u32    invalidate_domains,
-                                 u32    flush_domains);
+        int __must_check (*flush)(struct intel_ring_buffer *ring,
+                                  u32   invalidate_domains,
+                                  u32   flush_domains);
         int             (*add_request)(struct intel_ring_buffer *ring,
                                        u32 *seqno);
         u32             (*get_seqno)(struct intel_ring_buffer *ring);