diff --git a/tests/gem_write_read_ring_switch.c b/tests/gem_write_read_ring_switch.c
index b9db8f24..9da393d2 100644
--- a/tests/gem_write_read_ring_switch.c
+++ b/tests/gem_write_read_ring_switch.c
@@ -204,8 +204,13 @@ int main(int argc, char **argv)
 	for (i = 0; i < ARRAY_SIZE(tests); i++) {
 		char name[180];
 		snprintf(name, sizeof(name), "%s-interruptible", tests[i].name);
-		igt_subtest(name)
+		igt_subtest(name) {
+			gem_require_ring(fd, tests[i].ring);
+			/* Testing render only makes sense with separate blt. */
+			if (tests[i].ring == I915_EXEC_RENDER)
+				gem_require_ring(fd, I915_EXEC_BLT);
 			run_test(tests[i].ring, name);
+		}
 	}
 	igt_stop_signal_helper();