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drm/amd/display: fix CTS 4.2.2.8

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[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>
This commit is contained in:
abdoulaye berthe 2018-12-07 16:12:09 -05:00 • committed by Alex Deucher
commit a6729a5a40
1 changed files with 1 additions and 5 deletions
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6
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
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@ -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(