diff options
author | Len Brown <len.brown@intel.com> | 2015-03-24 23:23:20 -0400 |
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committer | Len Brown <len.brown@intel.com> | 2015-03-31 21:57:15 -0400 |
commit | d7ef76717322c8e2df7d4360b33faa9466cb1a0d (patch) | |
tree | e6341557089bb266f4844ba9f74ea8d61f9787d1 /usr | |
parent | 6c310bc1acdd02110182a2ec6efa3e7571a3b80c (diff) |
intel_idle: Update support for Silvermont Core in Baytrail SOC
On some Silvermont-Core/Baytrail-SOC systems,
C1E latency is higher than original specifications.
Although C1E is still enumerated in CPUID.MWAIT.EDX,
we delete the state from intel_idle to avoid latency impact.
Under some conditions, the latency of the C6N-BYT and C6S-BYT states
may exceed the specified values of 40 and 140 usec, respectively.
Increase those values to 300 and 500 usec; to assure
that the hardware does not violate constraints that may be set
by the Linux PM_QOS sub-system.
Also increase the C7-BYT target residency to 4.0 ms from 1.5 ms.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Kumar P Mahesh <mahesh.kumar.p@intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: <stable@vger.kernel.org>
Diffstat (limited to 'usr')
0 files changed, 0 insertions, 0 deletions