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authorKai-Heng Feng2018-06-21 10:30:39 +0200
committerDavid S. Miller2018-06-22 07:07:57 +0200
commita99790bf5c7f3d68d8b01e015d3212a98ee7bd57 (patch)
tree717b0de66a7a2fde5c1086fb45f4138e9bb0b5ed /drivers/bus
parentr8169: Don't disable ASPM in the driver (diff)
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r8169: Reinstate ASPM Support
On Intel platforms (Skylake and newer), ASPM support in r8169 is the last missing puzzle to let CPU's Package C-State reaches PC8. Without ASPM support, the CPU cannot reach beyond PC3. PC8 can save additional ~3W in comparison with PC3 on a Coffee Lake platform, Dell G3 3779. This is based on the work from Chunhao Lin <hau@realtek.com>. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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