}
 
 static int
-i965_dispatch_execbuffer(struct intel_engine_cs *ring,
+i965_dispatch_execbuffer(struct drm_i915_gem_request *req,
                         u64 offset, u32 length,
                         unsigned dispatch_flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        int ret;
 
        ret = intel_ring_begin(ring, 2);
 #define I830_TLB_ENTRIES (2)
 #define I830_WA_SIZE max(I830_TLB_ENTRIES*4096, I830_BATCH_LIMIT)
 static int
-i830_dispatch_execbuffer(struct intel_engine_cs *ring,
+i830_dispatch_execbuffer(struct drm_i915_gem_request *req,
                         u64 offset, u32 len,
                         unsigned dispatch_flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        u32 cs_offset = ring->scratch.gtt_offset;
        int ret;
 
 }
 
 static int
-i915_dispatch_execbuffer(struct intel_engine_cs *ring,
+i915_dispatch_execbuffer(struct drm_i915_gem_request *req,
                         u64 offset, u32 len,
                         unsigned dispatch_flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        int ret;
 
        ret = intel_ring_begin(ring, 2);
 }
 
 static int
-gen8_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
+gen8_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
                              u64 offset, u32 len,
                              unsigned dispatch_flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        bool ppgtt = USES_PPGTT(ring->dev) &&
                        !(dispatch_flags & I915_DISPATCH_SECURE);
        int ret;
 }
 
 static int
-hsw_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
+hsw_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
                             u64 offset, u32 len,
                             unsigned dispatch_flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        int ret;
 
        ret = intel_ring_begin(ring, 2);
 }
 
 static int
-gen6_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
+gen6_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
                              u64 offset, u32 len,
                              unsigned dispatch_flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        int ret;
 
        ret = intel_ring_begin(ring, 2);