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Commit 31d64b82 authored by Jimmy Kizito's avatar Jimmy Kizito Committed by Alex Deucher
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drm/amd/display: Add work around to enforce TBT3 compatibility.



[Why]
According to the USB4 specification, FEC and DSC should be disabled
when a USB4 DPIA operates in TBT3 compatibility mode.

[How]
Upon detecting that a USB4 DPIA is connected to a device that is known
to operate in TBT3 mode, disable FEC and DSC support if they have been
reported by the TBT3 device.

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: default avatarMeenakshikumar Somasundaram <Meenakshikumar.Somasundaram@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarJimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c282d951
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