MPS IMVP8 VR is not entering PS4 in S0ix on Glados/Chell. The pcode
has been updated since v76, and it requires an an extra VR mailbox
command should be sent from coreboot to pcode.
BUG=chrome-os-partner:48511
BRANCH=None
TEST=Verified on glados, clean S0ix entry and exit.
IMVP8 power is also pretty low
CQ-DEPEND=CL:329393
Change-Id: Ia3ef4031269ac2d4557bba65de34c41a8d73f89a
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 3e66903c9017f9d3f45c97b68284f4e1058c03e2
Original-Change-Id: Ie9e370556bb35d02f6bfcfe5cb81dd977fceace1
Original-Signed-off-by: Robbie Zhang <robbie.zhang@intel.com>
Original-Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/329480
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/13983
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
898e965abb