drm/amd/display: Read LTTPR caps first on bootup

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[WHY]
SCR for DP 2.0 requires that LTTPR caps be read first on hotplug.
For the sake of consistency, this should also be the case on bootup.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Wesley Chalmers 2021-04-16 17:21:28 -04:00 • committed by Alex Deucher

parent ee9b1992f1

commit c5bc8c1bd4

3 changed files with 8 additions and 0 deletions

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4

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

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3

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c

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1

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

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