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Enable hw.pci.enable_aspm tunable by default.

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While effects on power saving is only a guess, effects on hot-plug are
clearly visible.  Lets try to enable it and see what happen.

MFC after:	3 months
This commit is contained in:
Alexander Motin 2020-08-07 18:40:56 +00:00
parent a456638326
commit c34e4b5c63
1 changed files with 1 additions and 1 deletions
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2
sys/dev/pci/pci.c
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@ -408,7 +408,7 @@ static int pci_enable_ari = 1;
SYSCTL_INT(_hw_pci, OID_AUTO, enable_ari, CTLFLAG_RDTUN, &pci_enable_ari, SYSCTL_INT(_hw_pci, OID_AUTO, enable_ari, CTLFLAG_RDTUN, &pci_enable_ari,
0, "Enable support for PCIe Alternative RID Interpretation"); 0, "Enable support for PCIe Alternative RID Interpretation");
int pci_enable_aspm; int pci_enable_aspm = 1;
SYSCTL_INT(_hw_pci, OID_AUTO, enable_aspm, CTLFLAG_RDTUN, &pci_enable_aspm, SYSCTL_INT(_hw_pci, OID_AUTO, enable_aspm, CTLFLAG_RDTUN, &pci_enable_aspm,
0, "Enable support for PCIe Active State Power Management"); 0, "Enable support for PCIe Active State Power Management");