drm/i915: Update workarounds_emit() to take request structures

Updated the *_ring_workarounds_emit() functions to take requests instead of
ring/context pairs.

For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Tomas Elf <tomas.elf@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 6bdb0ac..49869fe 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -703,10 +703,10 @@
 	return ret;
 }
 
-static int intel_ring_workarounds_emit(struct intel_engine_cs *ring,
-				       struct intel_context *ctx)
+static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
 {
 	int ret, i;
+	struct intel_engine_cs *ring = req->ring;
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct i915_workarounds *w = &dev_priv->workarounds;
@@ -746,7 +746,7 @@
 {
 	int ret;
 
-	ret = intel_ring_workarounds_emit(req->ring, req->ctx);
+	ret = intel_ring_workarounds_emit(req);
 	if (ret != 0)
 		return ret;