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authorNeil Chen <neilc@nvidia.com>2014-09-24 10:41:08 +0800
committerAaron Durbin <adurbin@google.com>2015-04-04 04:04:01 +0200
commitac4fef83454243d75571bac627a8ec15d3fcd405 (patch)
tree8915fc1166eb29fdf6f7f210f5e8df96c106eab5 /toolchain.inc
parent8c440a6befb735a4c1c553f5ff2e4539ec50e490 (diff)
tegra124: use known-good drive for fast-train only
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>
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