drm/i915/tracepoints: Tidy request event class

At the moment only the global seqno is logged which is not set
until the request is ready for submission.

Add the per-contex seqno and the context hardware id which are
both interesting data points.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/i915_trace.h

@@ -451,18 +451,23 @@ DECLARE_EVENT_CLASS(i915_gem_request,
 
 	    TP_STRUCT__entry(
 			     __field(u32, dev)
+			     __field(u32, ctx)
 			     __field(u32, ring)
 			     __field(u32, seqno)
+			     __field(u32, global)
 			     ),
 
 	    TP_fast_assign(
 			   __entry->dev = req->i915->drm.primary->index;
+			   __entry->ctx = req->ctx->hw_id;
 			   __entry->ring = req->engine->id;
-			   __entry->seqno = req->global_seqno;
+			   __entry->seqno = req->fence.seqno;
+			   __entry->global = req->global_seqno;
 			   ),
 
-	    TP_printk("dev=%u, ring=%u, seqno=%u",
-		      __entry->dev, __entry->ring, __entry->seqno)
+	    TP_printk("dev=%u, ring=%u, ctx=%u, seqno=%u, global=%u",
+		      __entry->dev, __entry->ring, __entry->ctx, __entry->seqno,
+		      __entry->global)
 );
 
 DEFINE_EVENT(i915_gem_request, i915_gem_request_add,