diff options
author | Austin Zheng <austin.zheng@amd.com> | 2023-05-25 21:01:01 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-15 17:44:10 +0300 |
commit | 3d8de40fd639c8be24e4aa557a98e20e1d09bdc3 (patch) | |
tree | a7d0812a878befb30b3245ab607a824623d8929b | |
parent | ee83c930974d4afb5fec3db638a8341b5d1cd3fa (diff) | |
download | linux-3d8de40fd639c8be24e4aa557a98e20e1d09bdc3.tar.xz |
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>
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 360dd83b1a7a..7cf3e9510043 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -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 { diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h index 4a7f6497dc5a..55139d7bf422 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h @@ -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 { |