[PATCH 2/3] tests/amdgpu: Fix for HDMI Compliance Automation

[Fangzhi <jerry.zuo@amd.com>]

From: Mark Broadworth <Mark.Broadworth@amd.com>

It is to fix hand shaking issue between DUT and the box.
Need to block until SIGNALRM triggered.

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Tested-by: Mark Broadworth <Mark.Broadworth@amd.com>
---
 tools/amd_hdmi_compliance.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/amd_hdmi_compliance.c b/tools/amd_hdmi_compliance.c
index dc24430dd..14f455320 100644
--- a/tools/amd_hdmi_compliance.c
+++ b/tools/amd_hdmi_compliance.c
@@ -915,8 +915,12 @@ static void test_vic_mode(data_t *data, int vic, int conn_id)
 	igt_plane_set_fb(data->primary, &afb);
 	igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
 
-	igt_info("Press [Enter] to finish\n");
-	wait_for_keypress();
+	if (data->timeout_seconds > 0)
+		pause(); /* block until SIGALRM fires (works when detached) */
+	else {
+		igt_info("Press [Enter] to finish\n");
+		wait_for_keypress();
+	}
 
 	test_fini(data);
 }
-- 
2.43.0