linux/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c

/*
 * Copyright 2022 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */
#include "link_dp_cts.h"
#include "link/link_resource.h"
#include "link/protocols/link_dpcd.h"
#include "link/protocols/link_dp_training.h"
#include "link/protocols/link_dp_phy.h"
#include "link/protocols/link_dp_training_fixed_vs_pe_retimer.h"
#include "link/protocols/link_dp_capability.h"
#include "link/link_dpms.h"
#include "resource.h"
#include "dm_helpers.h"
#include "dc_dmub_srv.h"
#include "dce/dmub_hw_lock_mgr.h"

#define DC_LOGGER …

static enum dc_link_rate get_link_rate_from_test_link_rate(uint8_t test_rate)
{ … }

static void dp_retrain_link_dp_test(struct dc_link *link,
			struct dc_link_settings *link_setting,
			bool skip_video_pattern)
{ … }

static void dp_test_send_link_training(struct dc_link *link)
{ … }

static void dp_test_get_audio_test_data(struct dc_link *link, bool disable_video)
{ … }

/* TODO Raven hbr2 compliance eye output is unstable
 * (toggling on and off) with debugger break
 * This caueses intermittent PHY automation failure
 * Need to look into the root cause */
static void dp_test_send_phy_test_pattern(struct dc_link *link)
{ … }

static void set_crtc_test_pattern(struct dc_link *link,
				struct pipe_ctx *pipe_ctx,
				enum dp_test_pattern test_pattern,
				enum dp_test_pattern_color_space test_pattern_color_space)
{ … }

void dp_handle_automated_test(struct dc_link *link)
{ … }

bool dp_set_test_pattern(
	struct dc_link *link,
	enum dp_test_pattern test_pattern,
	enum dp_test_pattern_color_space test_pattern_color_space,
	const struct link_training_settings *p_link_settings,
	const unsigned char *p_custom_pattern,
	unsigned int cust_pattern_size)
{ … }

void dp_set_preferred_link_settings(struct dc *dc,
		struct dc_link_settings *link_setting,
		struct dc_link *link)
{ … }

void dp_set_preferred_training_settings(struct dc *dc,
		struct dc_link_settings *link_setting,
		struct dc_link_training_overrides *lt_overrides,
		struct dc_link *link,
		bool skip_immediate_retrain)
{ … }