cvs commit: src/sys/dev/pci pci.c pci_pci.c pci_private.h
src/sys/dev/acpica acpi_pci.c acpi_pcib_acpi.c
M. Warner Losh
imp at bsdimp.com
Fri Apr 9 09:34:13 PDT 2004
In message: <4076CE28.1020705 at freebsd.org>
Scott Long <scottl at freebsd.org> writes:
: Warner Losh wrote:
: > imp 2004/04/09 08:44:34 PDT
: > FreeBSD src repository
: > Modified files:
: > sys/dev/pci pci.c pci_pci.c pci_private.h
: > sys/dev/acpica acpi_pci.c acpi_pcib_acpi.c
: > Log:
: > Omnibus PCI commit:
: > o Save and restore bars for suspend/resume as well as for D3->D0
: > transitions.
: > o preallocate resources that the PCI devices use to avoid resource
: > conflicts
: > o lazy allocation of resources not allocated by the BIOS.
: > o set unattached drivers to state D3. Set power state to D0
: > before probe/attach. Right now there's two special cases
: > for this (display and memory devices) that need work in other
: > areas of the tree.
: > Please report any bugs to me.
: I'm really really uncomfortable with the part of this that does the
: power state changes. It's going to require a _lot_ of testing with as
: much hardware as we all can get our hands on. It will be an interesting
: experiment =-)
Yes. I agree witht he power state changes being risky. That's why
I'm committing them now rather than in 4 months so that we can get
some milage on -current with it. If it is really bad, we can back off
that part of the change, or refine it to overcome the problems.
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