From 75a74755763062b5dd722a19b3fe7a60813ee369 Mon Sep 17 00:00:00 2001 From: Leon Elazar Date: Thu, 26 Jan 2017 18:03:16 -0500 Subject: [PATCH] drm/amd/display: DP compliance automation test fixes Fixes: 1. Removing pending flag since we are executing teh entire flow without context switches 2. Adding stream enablment - connection between DIG BE to DIG FE during test link training Signed-off-by: Leon Elazar Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/dc/core/dc_link_dp.c | 19 +------------------ .../drm/amd/display/dc/core/dc_link_hwss.c | 4 ++++ drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 3 +-- 3 files changed, 6 insertions(+), 20 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 c9c1b48df384..6fe5acbc16ca 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 @@ -1738,8 +1738,7 @@ static void handle_automated_test(struct core_link *link) } if (test_request.bits.LINK_TEST_PATTRN) { dp_test_send_link_test_pattern(link); - link->public.compliance_test_state.bits. - SET_TEST_PATTERN_PENDING = 1; + test_response.bits.ACK = 1; } if (test_request.bits.PHY_TEST_PATTERN) { dp_test_send_phy_test_pattern(link); @@ -2308,11 +2307,9 @@ bool dc_link_dp_set_test_pattern( unsigned int i; unsigned char link_qual_pattern[LANE_COUNT_DP_MAX] = {0}; union dpcd_training_pattern training_pattern; - union test_response test_response; enum dpcd_phy_test_patterns pattern; memset(&training_pattern, 0, sizeof(training_pattern)); - memset(&test_response, 0, sizeof(test_response)); for (i = 0; i < MAX_PIPES; i++) { if (pipes[i].stream->sink->link == core_link) { @@ -2442,20 +2439,6 @@ bool dc_link_dp_set_test_pattern( set_crtc_test_pattern(core_link, &pipe_ctx, test_pattern); /* Set Test Pattern state */ core_link->public.test_pattern_enabled = true; - - /* If this is called because of compliance test request, - * we respond ack here. - */ - if (core_link->public.compliance_test_state.bits. - SET_TEST_PATTERN_PENDING == 1) { - core_link->public.compliance_test_state.bits. - SET_TEST_PATTERN_PENDING = 0; - test_response.bits.ACK = 1; - core_link_write_dpcd(core_link, - DP_TEST_RESPONSE, - &test_response.raw, - sizeof(test_response)); - } } return true; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index b0ac94d673c4..3b814592fd70 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -251,6 +251,8 @@ void dp_retrain_link_dp_test(struct core_link *link, dp_receiver_power_ctrl(link, false); + link->dc->hwss.disable_stream(&pipes[i]); + link->link_enc->funcs->disable_output( link->link_enc, SIGNAL_TYPE_DISPLAY_PORT); @@ -273,6 +275,8 @@ void dp_retrain_link_dp_test(struct core_link *link, link->public.cur_link_settings = *link_setting; + link->dc->hwss.enable_stream(&pipes[i]); + link->dc->hwss.unblank_stream(&pipes[i], link_setting); } diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h index 1666f10a1e5c..cd2323a71760 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h @@ -432,8 +432,7 @@ union phy_test_pattern { union compliance_test_state { struct { unsigned char STEREO_3D_RUNNING : 1; - unsigned char SET_TEST_PATTERN_PENDING : 1; - unsigned char RESERVED : 6; + unsigned char RESERVED : 7; } bits; unsigned char raw; }; -- 2.30.2