Commit 3d8de40f authored May 25, 2023 by Austin Zheng Committed by Alex Deucher Jun 15, 2023

drm/amd/display: Add DP2 Metrics



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>

parent ee83c930

drivers/gpu/drm/amd/display/dc/dc.h

+4 −2

Original line number	Diff line number	Diff line
		/*
		* 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 {

drivers/gpu/drm/amd/display/dc/dc_dp_types.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 {