A higher drive setting is used for fast link training, once the
link training succeeds, a known-good drive setting will be used
for the main stream transactions.
For full link training sequence, the sink devices may ask for a
preferred drive setting, thus this drive setting should be used
for the main stream transactions too.
BUG=chrome-os-partner:32129
TEST=all panels on blaze/big devices work fine.
Original-Change-Id: Icc540650dc1329af07fd9ee4661eb7fad435fde4
Original-Signed-off-by: Neil Chen <neilc@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/219544
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
(cherry picked from commit 13d6accfdbe678e785851057f0800a3bbef11bea)
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Change-Id: If2fe7d5621f15aa3134d2a3920220e149bb64be6
Reviewed-on: http://review.coreboot.org/9248
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
ac4fef8345