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drm/amd/display: Add DP2 Metrics

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Why:
Log DP2 data to be used for debugging purposes

How:
Check the reported link rate of the DP connection and
translate it to the DP version.

Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Austin Zheng <austin.zheng@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Austin Zheng 2023-05-25 14:01:01 -04:00 committed by Alex Deucher
parent ee83c93097
commit 3d8de40fd6
2 changed files with 5 additions and 3 deletions
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6
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-14 Advanced Micro Devices, Inc.
* Copyright 2012-2023 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"),
@ -60,7 +60,9 @@ struct dc_versions {
};
enum dp_protocol_version {
DP_VERSION_1_4,
DP_VERSION_1_4 = 0,
DP_VERSION_2_1,
DP_VERSION_UNKNOWN,
};
enum dc_plane_type {

2
drivers/gpu/drm/amd/display/dc/dc_dp_types.h
View File

@ -61,7 +61,7 @@ enum dc_link_rate {
*/
LINK_RATE_UHBR10 = 1000, // UHBR10 - 10.0 Gbps/Lane
LINK_RATE_UHBR13_5 = 1350, // UHBR13.5 - 13.5 Gbps/Lane
LINK_RATE_UHBR20 = 2000, // UHBR10 - 20.0 Gbps/Lane
LINK_RATE_UHBR20 = 2000, // UHBR20 - 20.0 Gbps/Lane
};
enum dc_link_spread {