drm/i915: Convert i915_wait_seqno to i915_wait_request

Updated i915_wait_seqno() to take a request structure instead of a seqno value
and renamed it accordingly. Internally, it just pulls the seqno out of the
request and calls on to __wait_seqno() as before. However, all the code further
up the stack is now simplified as it can just pass the request object straight
through without having to peek inside.

For: VIZ-4377
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Thomas Daniel <Thomas.Daniel@intel.com>
[danvet: Squash in hunk from an earlier patch which was rebased
wrongly.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e6a997c..23a1afd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2629,8 +2629,7 @@
 			bool interruptible,
 			s64 *timeout,
 			struct drm_i915_file_private *file_priv);
-int __must_check i915_wait_seqno(struct intel_engine_cs *ring,
-				 uint32_t seqno);
+int __must_check i915_wait_request(struct drm_i915_gem_request *req);
 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 int __must_check
 i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
@@ -3117,20 +3116,4 @@
 	}
 }
 
-/* XXX: Temporary solution to be removed later in patch series. */
-static inline int __must_check i915_gem_check_ols(
-				     struct intel_engine_cs *ring, u32 seqno)
-{
-	int ret;
-
-	WARN_ON(!mutex_is_locked(&ring->dev->struct_mutex));
-
-	ret = 0;
-	if (seqno == i915_gem_request_get_seqno(ring->outstanding_lazy_request))
-		ret = i915_add_request(ring, NULL);
-
-	return ret;
-}
-/* XXX: Temporary solution to be removed later in patch series. */
-
 #endif