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authorRizwan Qureshi <rizwan.qureshi@intel.com>2016-02-24 14:56:32 +0530
committerPatrick Georgi <pgeorgi@google.com>2016-03-12 09:21:20 +0100
commit898e965abb64044dd432563af4d9de2c50d9f718 (patch)
treeed8c8d8fb99bd172f1a0724497c10bc2fb0a13a7 /src/soc/intel/skylake/lpc.c
parentaf31a998c95f377e65798b8fdae1e303f67de45d (diff)
glados/chell: send an extra VR mailbox command
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>
Diffstat (limited to 'src/soc/intel/skylake/lpc.c')
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