drm/i915: s/intel_ring_buffer/intel_engine_cs

In the upcoming patches we plan to break the correlation between
engine command streamers (a.k.a. rings) and ringbuffers, so it
makes sense to refactor the code and make the change obvious.

No functional changes.

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 72bf57f..748041a 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -48,18 +48,18 @@
 	return space;
 }
 
-static inline int ring_space(struct intel_ring_buffer *ring)
+static inline int ring_space(struct intel_engine_cs *ring)
 {
 	return __ring_space(ring->head & HEAD_ADDR, ring->tail, ring->size);
 }
 
-static bool intel_ring_stopped(struct intel_ring_buffer *ring)
+static bool intel_ring_stopped(struct intel_engine_cs *ring)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 	return dev_priv->gpu_error.stop_rings & intel_ring_flag(ring);
 }
 
-void __intel_ring_advance(struct intel_ring_buffer *ring)
+void __intel_ring_advance(struct intel_engine_cs *ring)
 {
 	ring->tail &= ring->size - 1;
 	if (intel_ring_stopped(ring))
@@ -68,7 +68,7 @@
 }
 
 static int
-gen2_render_ring_flush(struct intel_ring_buffer *ring,
+gen2_render_ring_flush(struct intel_engine_cs *ring,
 		       u32	invalidate_domains,
 		       u32	flush_domains)
 {
@@ -94,7 +94,7 @@
 }
 
 static int
-gen4_render_ring_flush(struct intel_ring_buffer *ring,
+gen4_render_ring_flush(struct intel_engine_cs *ring,
 		       u32	invalidate_domains,
 		       u32	flush_domains)
 {
@@ -189,7 +189,7 @@
  * really our business.  That leaves only stall at scoreboard.
  */
 static int
-intel_emit_post_sync_nonzero_flush(struct intel_ring_buffer *ring)
+intel_emit_post_sync_nonzero_flush(struct intel_engine_cs *ring)
 {
 	u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
 	int ret;
@@ -224,7 +224,7 @@
 }
 
 static int
-gen6_render_ring_flush(struct intel_ring_buffer *ring,
+gen6_render_ring_flush(struct intel_engine_cs *ring,
                          u32 invalidate_domains, u32 flush_domains)
 {
 	u32 flags = 0;
@@ -276,7 +276,7 @@
 }
 
 static int
-gen7_render_ring_cs_stall_wa(struct intel_ring_buffer *ring)
+gen7_render_ring_cs_stall_wa(struct intel_engine_cs *ring)
 {
 	int ret;
 
@@ -294,7 +294,7 @@
 	return 0;
 }
 
-static int gen7_ring_fbc_flush(struct intel_ring_buffer *ring, u32 value)
+static int gen7_ring_fbc_flush(struct intel_engine_cs *ring, u32 value)
 {
 	int ret;
 
@@ -318,7 +318,7 @@
 }
 
 static int
-gen7_render_ring_flush(struct intel_ring_buffer *ring,
+gen7_render_ring_flush(struct intel_engine_cs *ring,
 		       u32 invalidate_domains, u32 flush_domains)
 {
 	u32 flags = 0;
@@ -379,7 +379,7 @@
 }
 
 static int
-gen8_render_ring_flush(struct intel_ring_buffer *ring,
+gen8_render_ring_flush(struct intel_engine_cs *ring,
 		       u32 invalidate_domains, u32 flush_domains)
 {
 	u32 flags = 0;
@@ -419,14 +419,14 @@
 
 }
 
-static void ring_write_tail(struct intel_ring_buffer *ring,
+static void ring_write_tail(struct intel_engine_cs *ring,
 			    u32 value)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 	I915_WRITE_TAIL(ring, value);
 }
 
-u64 intel_ring_get_active_head(struct intel_ring_buffer *ring)
+u64 intel_ring_get_active_head(struct intel_engine_cs *ring)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 	u64 acthd;
@@ -442,7 +442,7 @@
 	return acthd;
 }
 
-static void ring_setup_phys_status_page(struct intel_ring_buffer *ring)
+static void ring_setup_phys_status_page(struct intel_engine_cs *ring)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 	u32 addr;
@@ -453,7 +453,7 @@
 	I915_WRITE(HWS_PGA, addr);
 }
 
-static bool stop_ring(struct intel_ring_buffer *ring)
+static bool stop_ring(struct intel_engine_cs *ring)
 {
 	struct drm_i915_private *dev_priv = to_i915(ring->dev);
 
@@ -477,7 +477,7 @@
 	return (I915_READ_HEAD(ring) & HEAD_ADDR) == 0;
 }
 
-static int init_ring_common(struct intel_ring_buffer *ring)
+static int init_ring_common(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -555,7 +555,7 @@
 }
 
 static int
-init_pipe_control(struct intel_ring_buffer *ring)
+init_pipe_control(struct intel_engine_cs *ring)
 {
 	int ret;
 
@@ -596,7 +596,7 @@
 	return ret;
 }
 
-static int init_render_ring(struct intel_ring_buffer *ring)
+static int init_render_ring(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -652,7 +652,7 @@
 	return ret;
 }
 
-static void render_ring_cleanup(struct intel_ring_buffer *ring)
+static void render_ring_cleanup(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 
@@ -668,12 +668,12 @@
 	ring->scratch.obj = NULL;
 }
 
-static int gen6_signal(struct intel_ring_buffer *signaller,
+static int gen6_signal(struct intel_engine_cs *signaller,
 		       unsigned int num_dwords)
 {
 	struct drm_device *dev = signaller->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_ring_buffer *useless;
+	struct intel_engine_cs *useless;
 	int i, ret;
 
 	/* NB: In order to be able to do semaphore MBOX updates for varying
@@ -720,7 +720,7 @@
  * This acts like a signal in the canonical semaphore.
  */
 static int
-gen6_add_request(struct intel_ring_buffer *ring)
+gen6_add_request(struct intel_engine_cs *ring)
 {
 	int ret;
 
@@ -752,8 +752,8 @@
  * @seqno - seqno which the waiter will block on
  */
 static int
-gen6_ring_sync(struct intel_ring_buffer *waiter,
-	       struct intel_ring_buffer *signaller,
+gen6_ring_sync(struct intel_engine_cs *waiter,
+	       struct intel_engine_cs *signaller,
 	       u32 seqno)
 {
 	u32 dw1 = MI_SEMAPHORE_MBOX |
@@ -801,7 +801,7 @@
 } while (0)
 
 static int
-pc_render_add_request(struct intel_ring_buffer *ring)
+pc_render_add_request(struct intel_engine_cs *ring)
 {
 	u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
 	int ret;
@@ -849,7 +849,7 @@
 }
 
 static u32
-gen6_ring_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency)
+gen6_ring_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency)
 {
 	/* Workaround to force correct ordering between irq and seqno writes on
 	 * ivb (and maybe also on snb) by reading from a CS register (like
@@ -863,31 +863,31 @@
 }
 
 static u32
-ring_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency)
+ring_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency)
 {
 	return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
 }
 
 static void
-ring_set_seqno(struct intel_ring_buffer *ring, u32 seqno)
+ring_set_seqno(struct intel_engine_cs *ring, u32 seqno)
 {
 	intel_write_status_page(ring, I915_GEM_HWS_INDEX, seqno);
 }
 
 static u32
-pc_render_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency)
+pc_render_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency)
 {
 	return ring->scratch.cpu_page[0];
 }
 
 static void
-pc_render_set_seqno(struct intel_ring_buffer *ring, u32 seqno)
+pc_render_set_seqno(struct intel_engine_cs *ring, u32 seqno)
 {
 	ring->scratch.cpu_page[0] = seqno;
 }
 
 static bool
-gen5_ring_get_irq(struct intel_ring_buffer *ring)
+gen5_ring_get_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -905,7 +905,7 @@
 }
 
 static void
-gen5_ring_put_irq(struct intel_ring_buffer *ring)
+gen5_ring_put_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -918,7 +918,7 @@
 }
 
 static bool
-i9xx_ring_get_irq(struct intel_ring_buffer *ring)
+i9xx_ring_get_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -939,7 +939,7 @@
 }
 
 static void
-i9xx_ring_put_irq(struct intel_ring_buffer *ring)
+i9xx_ring_put_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -955,7 +955,7 @@
 }
 
 static bool
-i8xx_ring_get_irq(struct intel_ring_buffer *ring)
+i8xx_ring_get_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -976,7 +976,7 @@
 }
 
 static void
-i8xx_ring_put_irq(struct intel_ring_buffer *ring)
+i8xx_ring_put_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -991,7 +991,7 @@
 	spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
 }
 
-void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
+void intel_ring_setup_status_page(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
@@ -1054,7 +1054,7 @@
 }
 
 static int
-bsd_ring_flush(struct intel_ring_buffer *ring,
+bsd_ring_flush(struct intel_engine_cs *ring,
 	       u32     invalidate_domains,
 	       u32     flush_domains)
 {
@@ -1071,7 +1071,7 @@
 }
 
 static int
-i9xx_add_request(struct intel_ring_buffer *ring)
+i9xx_add_request(struct intel_engine_cs *ring)
 {
 	int ret;
 
@@ -1089,7 +1089,7 @@
 }
 
 static bool
-gen6_ring_get_irq(struct intel_ring_buffer *ring)
+gen6_ring_get_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1114,7 +1114,7 @@
 }
 
 static void
-gen6_ring_put_irq(struct intel_ring_buffer *ring)
+gen6_ring_put_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1132,7 +1132,7 @@
 }
 
 static bool
-hsw_vebox_get_irq(struct intel_ring_buffer *ring)
+hsw_vebox_get_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1152,7 +1152,7 @@
 }
 
 static void
-hsw_vebox_put_irq(struct intel_ring_buffer *ring)
+hsw_vebox_put_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1170,7 +1170,7 @@
 }
 
 static bool
-gen8_ring_get_irq(struct intel_ring_buffer *ring)
+gen8_ring_get_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1196,7 +1196,7 @@
 }
 
 static void
-gen8_ring_put_irq(struct intel_ring_buffer *ring)
+gen8_ring_put_irq(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1216,7 +1216,7 @@
 }
 
 static int
-i965_dispatch_execbuffer(struct intel_ring_buffer *ring,
+i965_dispatch_execbuffer(struct intel_engine_cs *ring,
 			 u64 offset, u32 length,
 			 unsigned flags)
 {
@@ -1239,7 +1239,7 @@
 /* Just userspace ABI convention to limit the wa batch bo to a resonable size */
 #define I830_BATCH_LIMIT (256*1024)
 static int
-i830_dispatch_execbuffer(struct intel_ring_buffer *ring,
+i830_dispatch_execbuffer(struct intel_engine_cs *ring,
 				u64 offset, u32 len,
 				unsigned flags)
 {
@@ -1290,7 +1290,7 @@
 }
 
 static int
-i915_dispatch_execbuffer(struct intel_ring_buffer *ring,
+i915_dispatch_execbuffer(struct intel_engine_cs *ring,
 			 u64 offset, u32 len,
 			 unsigned flags)
 {
@@ -1307,7 +1307,7 @@
 	return 0;
 }
 
-static void cleanup_status_page(struct intel_ring_buffer *ring)
+static void cleanup_status_page(struct intel_engine_cs *ring)
 {
 	struct drm_i915_gem_object *obj;
 
@@ -1321,7 +1321,7 @@
 	ring->status_page.obj = NULL;
 }
 
-static int init_status_page(struct intel_ring_buffer *ring)
+static int init_status_page(struct intel_engine_cs *ring)
 {
 	struct drm_i915_gem_object *obj;
 
@@ -1358,7 +1358,7 @@
 	return 0;
 }
 
-static int init_phys_status_page(struct intel_ring_buffer *ring)
+static int init_phys_status_page(struct intel_engine_cs *ring)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 
@@ -1375,7 +1375,7 @@
 	return 0;
 }
 
-static int allocate_ring_buffer(struct intel_ring_buffer *ring)
+static int allocate_ring_buffer(struct intel_engine_cs *ring)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -1420,7 +1420,7 @@
 }
 
 static int intel_init_ring_buffer(struct drm_device *dev,
-				  struct intel_ring_buffer *ring)
+				  struct intel_engine_cs *ring)
 {
 	int ret;
 
@@ -1464,7 +1464,7 @@
 	return ring->init(ring);
 }
 
-void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring)
+void intel_cleanup_ring_buffer(struct intel_engine_cs *ring)
 {
 	struct drm_i915_private *dev_priv = to_i915(ring->dev);
 
@@ -1490,7 +1490,7 @@
 	i915_cmd_parser_fini_ring(ring);
 }
 
-static int intel_ring_wait_request(struct intel_ring_buffer *ring, int n)
+static int intel_ring_wait_request(struct intel_engine_cs *ring, int n)
 {
 	struct drm_i915_gem_request *request;
 	u32 seqno = 0;
@@ -1527,7 +1527,7 @@
 	return 0;
 }
 
-static int ring_wait_for_space(struct intel_ring_buffer *ring, int n)
+static int ring_wait_for_space(struct intel_engine_cs *ring, int n)
 {
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1585,7 +1585,7 @@
 	return ret;
 }
 
-static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring)
+static int intel_wrap_ring_buffer(struct intel_engine_cs *ring)
 {
 	uint32_t __iomem *virt;
 	int rem = ring->size - ring->tail;
@@ -1607,7 +1607,7 @@
 	return 0;
 }
 
-int intel_ring_idle(struct intel_ring_buffer *ring)
+int intel_ring_idle(struct intel_engine_cs *ring)
 {
 	u32 seqno;
 	int ret;
@@ -1631,7 +1631,7 @@
 }
 
 static int
-intel_ring_alloc_seqno(struct intel_ring_buffer *ring)
+intel_ring_alloc_seqno(struct intel_engine_cs *ring)
 {
 	if (ring->outstanding_lazy_seqno)
 		return 0;
@@ -1649,7 +1649,7 @@
 	return i915_gem_get_seqno(ring->dev, &ring->outstanding_lazy_seqno);
 }
 
-static int __intel_ring_prepare(struct intel_ring_buffer *ring,
+static int __intel_ring_prepare(struct intel_engine_cs *ring,
 				int bytes)
 {
 	int ret;
@@ -1669,7 +1669,7 @@
 	return 0;
 }
 
-int intel_ring_begin(struct intel_ring_buffer *ring,
+int intel_ring_begin(struct intel_engine_cs *ring,
 		     int num_dwords)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
@@ -1694,7 +1694,7 @@
 }
 
 /* Align the ring tail to a cacheline boundary */
-int intel_ring_cacheline_align(struct intel_ring_buffer *ring)
+int intel_ring_cacheline_align(struct intel_engine_cs *ring)
 {
 	int num_dwords = (ring->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t);
 	int ret;
@@ -1715,7 +1715,7 @@
 	return 0;
 }
 
-void intel_ring_init_seqno(struct intel_ring_buffer *ring, u32 seqno)
+void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 
@@ -1732,7 +1732,7 @@
 	ring->hangcheck.seqno = seqno;
 }
 
-static void gen6_bsd_ring_write_tail(struct intel_ring_buffer *ring,
+static void gen6_bsd_ring_write_tail(struct intel_engine_cs *ring,
 				     u32 value)
 {
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
@@ -1765,7 +1765,7 @@
 		   _MASKED_BIT_DISABLE(GEN6_BSD_SLEEP_MSG_DISABLE));
 }
 
-static int gen6_bsd_ring_flush(struct intel_ring_buffer *ring,
+static int gen6_bsd_ring_flush(struct intel_engine_cs *ring,
 			       u32 invalidate, u32 flush)
 {
 	uint32_t cmd;
@@ -1801,7 +1801,7 @@
 }
 
 static int
-gen8_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
+gen8_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
 			      u64 offset, u32 len,
 			      unsigned flags)
 {
@@ -1825,7 +1825,7 @@
 }
 
 static int
-hsw_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
+hsw_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
 			      u64 offset, u32 len,
 			      unsigned flags)
 {
@@ -1846,7 +1846,7 @@
 }
 
 static int
-gen6_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
+gen6_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
 			      u64 offset, u32 len,
 			      unsigned flags)
 {
@@ -1868,7 +1868,7 @@
 
 /* Blitter support (SandyBridge+) */
 
-static int gen6_ring_flush(struct intel_ring_buffer *ring,
+static int gen6_ring_flush(struct intel_engine_cs *ring,
 			   u32 invalidate, u32 flush)
 {
 	struct drm_device *dev = ring->dev;
@@ -1911,7 +1911,7 @@
 int intel_init_render_ring_buffer(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
+	struct intel_engine_cs *ring = &dev_priv->ring[RCS];
 
 	ring->name = "render ring";
 	ring->id = RCS;
@@ -2021,7 +2021,7 @@
 int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
+	struct intel_engine_cs *ring = &dev_priv->ring[RCS];
 	int ret;
 
 	ring->name = "render ring";
@@ -2089,7 +2089,7 @@
 int intel_init_bsd_ring_buffer(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_ring_buffer *ring = &dev_priv->ring[VCS];
+	struct intel_engine_cs *ring = &dev_priv->ring[VCS];
 
 	ring->name = "bsd ring";
 	ring->id = VCS;
@@ -2165,7 +2165,7 @@
 int intel_init_bsd2_ring_buffer(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_ring_buffer *ring = &dev_priv->ring[VCS2];
+	struct intel_engine_cs *ring = &dev_priv->ring[VCS2];
 
 	if ((INTEL_INFO(dev)->gen != 8)) {
 		DRM_ERROR("No dual-BSD ring on non-BDW machine\n");
@@ -2214,7 +2214,7 @@
 int intel_init_blt_ring_buffer(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_ring_buffer *ring = &dev_priv->ring[BCS];
+	struct intel_engine_cs *ring = &dev_priv->ring[BCS];
 
 	ring->name = "blitter ring";
 	ring->id = BCS;
@@ -2263,7 +2263,7 @@
 int intel_init_vebox_ring_buffer(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_ring_buffer *ring = &dev_priv->ring[VECS];
+	struct intel_engine_cs *ring = &dev_priv->ring[VECS];
 
 	ring->name = "video enhancement ring";
 	ring->id = VECS;
@@ -2305,7 +2305,7 @@
 }
 
 int
-intel_ring_flush_all_caches(struct intel_ring_buffer *ring)
+intel_ring_flush_all_caches(struct intel_engine_cs *ring)
 {
 	int ret;
 
@@ -2323,7 +2323,7 @@
 }
 
 int
-intel_ring_invalidate_all_caches(struct intel_ring_buffer *ring)
+intel_ring_invalidate_all_caches(struct intel_engine_cs *ring)
 {
 	uint32_t flush_domains;
 	int ret;
@@ -2343,7 +2343,7 @@
 }
 
 void
-intel_stop_ring_buffer(struct intel_ring_buffer *ring)
+intel_stop_ring_buffer(struct intel_engine_cs *ring)
 {
 	int ret;