diff options
author | John Zhao <john.zhao@intel.com> | 2021-09-13 12:31:39 -0700 |
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committer | Felix Held <felix-coreboot@felixheld.de> | 2021-10-11 12:46:39 +0000 |
commit | 7227cef0d7baafdabf9294ad577c09a5d4e93e43 (patch) | |
tree | b071999d31fe1025d899dc7711e16f4a5d4b2541 /src/lib/asan.c | |
parent | e0bff814da754f4c44fb5702fb9cfb70f02c1611 (diff) |
soc/intel/tigerlake: Add ACPI addition for USB4/TBT latency optimization
The PCI-SIG engineering change requirement provides the ACPI additions
for firmware latency optimization. This change adds additional ACPI DSM
function with both of FW_RESET_TIME and FW_D3HOT_TO_D0_TIME to the
USB4/TBT topology. The OS is informed to reduce latency for upstream
ports while connecting USB4/TBT devices.
BUG=b:199757442
TEST=It was validated that the first connected device waits only 50ms
instead of 100ms and all functions work on Voxel board.
Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: I5a19118b75ed0a78b7436f2f90295c03928300d7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57625
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/lib/asan.c')
0 files changed, 0 insertions, 0 deletions