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From 5a1486db68e9a8db31ab175ad341bee9cc84dea4 Mon Sep 17 00:00:00 2001
From: abdoulaye berthe <abdoulaye.berthe@amd.com>
Date: Fri, 7 Dec 2018 16:12:09 -0500
Subject: [PATCH 1065/2940] drm/amd/display: fix CTS 4.2.2.8
[Why]
1-Test equipment does not reset test automation flag after completing
current test causing the next test to fail.
2.When test request is empty, we shouldn't ack the test.
[How]
1-Driver should always clear test equipment automation test request
when request is completed.
2-Driver should clear test equipement test automation if driver does
not complete the request.
Signed-off-by: abdoulaye berthe <abdoulaye.berthe@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 568fdc9423e6..cf9362704d12 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2002,11 +2002,7 @@ static void handle_automated_test(struct dc_link *link)
dp_test_send_phy_test_pattern(link);
test_response.bits.ACK = 1;
}
- if (!test_request.raw)
- /* no requests, revert all test signals
- * TODO: revert all test signals
- */
- test_response.bits.ACK = 1;
+
/* send request acknowledgment */
if (test_response.bits.ACK)
core_link_write_dpcd(
--
2.17.1
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