drm/i915/selftests: Check for engine-reset errors in the middle of workarounds

As we reset the engine between verifying the workarounds remain intact,
report an engine reset failure.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210125140136.10494-1-chris@chris-wilson.co.ukSigned-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/gt/selftest_workarounds.c

@@ -1219,7 +1219,11 @@ live_engine_reset_workarounds(void *arg)
 			goto err;
 		}
 
-		intel_engine_reset(engine, "live_workarounds:idle");
+		ret = intel_engine_reset(engine, "live_workarounds:idle");
+		if (ret) {
+			pr_err("%s: Reset failed while idle\n", engine->name);
+			goto err;
+		}
 
 		ok = verify_wa_lists(gt, &lists, "after idle reset");
 		if (!ok) {
@@ -1240,12 +1244,18 @@ live_engine_reset_workarounds(void *arg)
 
 		ret = request_add_spin(rq, &spin);
 		if (ret) {
-			pr_err("Spinner failed to start\n");
+			pr_err("%s: Spinner failed to start\n", engine->name);
 			igt_spinner_fini(&spin);
 			goto err;
 		}
 
-		intel_engine_reset(engine, "live_workarounds:active");
+		ret = intel_engine_reset(engine, "live_workarounds:active");
+		if (ret) {
+			pr_err("%s: Reset failed on an active spinner\n",
+			       engine->name);
+			igt_spinner_fini(&spin);
+			goto err;
+		}
 
 		igt_spinner_end(&spin);
 		igt_spinner_fini(&spin);