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(parent: f4594cd) | patch
drm/amd/display: Read LTTPR caps first on hotplug
authorWesley Chalmers <Wesley.Chalmers@amd.com>
Wed, 24 Mar 2021 17:28:32 +0000 (13:28 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 15 Jun 2021 21:25:41 +0000 (17:25 -0400)
commit0abda67419f76d5af4423ab15ee24cff0e911abd
tree8ed2dfe462d2cf968b7835351258962eb72706fdtree | snapshot
parentf4594cd1fa556609450e0ed5664a0adf69ab0b35commit | diff
drm/amd/display: Read LTTPR caps first on hotplug

[WHY]
A new SCR for the DP2.0 spec requires that LTTPR caps be the first thing
read from DPCD upon hotplug.

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>
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c diff | blob | history
Domain: System / Kernel;