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authorLan Tianyu <tianyu.lan@intel.com>2014-07-23 14:42:33 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-24 01:03:18 +0200
commit821d6f0359b0614792ab8e2fb93b503e25a65079 (patch)
treebac656bc4f885f7ca7702620e57390200a874fd5 /drivers/gpu
parent9a3c4145af32125c5ee39c0272662b47307a8323 (diff)
ACPI / sleep: Do not save NVS for new machines to accelerate S3
NVS region is saved and restored unconditionally for machines without nvs_nosave quirk during S3. Tested some new machines and the operation is not necessary. Saving NVS region also affects S2RAM speed. The time of NVS saving and restoring depends on the size of NVS region and it consumes 7~10ms normally. This patch is to make machines produced from 2012 to now not saving NVS region to accelerate S3. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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