drm/amd/display: Add ability to set preferred link training parameters.

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[WHY]
To add support for OS requirement to set preferred link training
parameters.

[HOW]
Create new structure of dp link training overrides. During link training
processes, these values should be used instead of the default training
parameters.

Signed-off-by: David Galiffi <David.Galiffi@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

David Galiffi 2019-05-30 11:56:39 -04:00 • committed by Alex Deucher

parent 93c25fbdc3

commit e0a6440a29

7 changed files with 338 additions and 124 deletions

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46

drivers/gpu/drm/amd/display/dc/core/dc_link.c

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337

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

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28

drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c

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21

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

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11

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

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2

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

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17

drivers/gpu/drm/amd/display/include/link_service_types.h

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