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76 lines
3.7 KiB
C++
76 lines
3.7 KiB
C++
/*
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* SPDX-FileCopyrightText: Copyright (c) 1993-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/******************************* DisplayPort *******************************\
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* *
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* Module: dp_wardatabase.h *
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* EDID and OUI based workarounds for panel/TCON issues *
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* *
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\***************************************************************************/
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#ifndef INCLUDED_DP_WARDATABASE_H
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#define INCLUDED_DP_WARDATABASE_H
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#include "dp_object.h"
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namespace DisplayPort
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{
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#define WAR_MAX_REASSESS_ATTEMPT 3
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#define WAR_MAX_RETRAIN_ATTEMPT 3
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typedef enum
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{
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DP_MONITOR_CAPABILITY_DP_SKIP_REDUNDANT_LT = (1 << 0), // Do not train if the link B/W and lane count are already set to the desired quantities
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DP_MONITOR_CAPABILITY_DP_SKIP_CABLE_BW_CHECK = (1 << 1), // Skip the link training attempts to test cable bandwidth in CheckDpLink
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DP_MONITOR_CAPABILITY_DP_MULTI_WRITE_DPCD_0x600 = (1 << 2), // Repeatedly write 0x1 to 0x600 with extra delays until the read verifies the write
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DP_MONITOR_CAPABILITY_DP_WRITE_0x600_BEFORE_LT = (1 << 3), // Power on a monitor before every link training
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DP_MONITOR_CAPABILITY_DP_OVERRIDE_OPTIMAL_LINK_CONFIG = (1 << 4), // Override optimal link config
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DP_MONITOR_CAPABILITY_DP_OVERRIDE_MAX_LANE_COUNT = (1 << 5), // WAR for some DP monitors which claims more lane count than it really supports. It may generate interrupt storm if unsupported lane count is applied
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DP_MONITOR_CAPABILITY_DP_AVOID_UPDATE_POWER_STATE = (1 << 6), // Don't update panel power state when head detach or lid closed
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} DP_MONITOR_CAPABILITY;
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struct DpMonitorDenylistData: virtual public Object
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{
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// Max lane count supported override value
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unsigned int dpMaxLaneCountOverride;
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// Link rate and Lane count value overrides
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// when we need to skip BW check
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struct
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{
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unsigned int maxLaneAtHighRate;
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unsigned int maxLaneAtLowRate;
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} dpSkipCheckLink;
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// Link rate and Lane count value overrides
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// when we need to force optimal link config
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struct
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{
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unsigned int linkRate;
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unsigned int laneCount;
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} dpOverrideOptimalLinkConfig;
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};
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}
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#endif // INCLUDED_DP_WARDATABASE_H
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