66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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* Copyright 2015 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef __DC_LINK_DP_H__
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#define __DC_LINK_DP_H__
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#define LINK_TRAINING_ATTEMPTS 4
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#define LINK_TRAINING_RETRY_DELAY 50 /* ms */
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struct dc_link;
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struct dc_stream_state;
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struct dc_link_settings;
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bool dp_verify_link_cap(
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struct dc_link *link,
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struct dc_link_settings *known_limit_link_setting,
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int *fail_count);
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bool dp_validate_mode_timing(
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struct dc_link *link,
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const struct dc_crtc_timing *timing);
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void decide_link_settings(
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struct dc_stream_state *stream,
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struct dc_link_settings *link_setting);
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bool perform_link_training_with_retries(
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struct dc_link *link,
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const struct dc_link_settings *link_setting,
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bool skip_video_pattern,
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int attempts);
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bool is_mst_supported(struct dc_link *link);
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bool detect_dp_sink_caps(struct dc_link *link);
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void detect_edp_sink_caps(struct dc_link *link);
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bool is_dp_active_dongle(const struct dc_link *link);
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void dp_enable_mst_on_sink(struct dc_link *link, bool enable);
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#endif /* __DC_LINK_DP_H__ */
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