drm/amd/display: add cable ID support for usb c connector

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[how]
Call to DMUB to retrieve usb c cable ID data from PD firmware.
If cable id is retrieved from DMUB, skip reading cable ID from RX.

Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Wenjing Liu 2022-02-08 18:38:26 -05:00 • committed by Alex Deucher

parent dfd9be4234

commit c595fb05e3

7 changed files with 117 additions and 41 deletions

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4

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

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102

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

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2

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

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2

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

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8

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

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2

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

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40

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

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