From: Leon Elazar <leon.elazar@amd.com>
Date: Thu, 26 Jan 2017 18:03:16 -0500
Subject: drm/amd/display: DP compliance automation test fixes
Git-commit: 75a74755763062b5dd722a19b3fe7a60813ee369
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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 <leon.elazar@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 19 +------------------
drivers/gpu/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(-)
--- 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
}
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;
--- 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
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->public.cur_link_settings = *link_setting;
+ link->dc->hwss.enable_stream(&pipes[i]);
+
link->dc->hwss.unblank_stream(&pipes[i],
link_setting);
}
--- 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;
};