https://bugs.freedesktop.org/show_bug.cgi?id=69345
Priority: medium
Bug ID: 69345
Assignee: [email protected]
Summary: nouveau no longer reports D3cold on linux-next as of
at least 20130906
Severity: minor
Classification: Unclassified
OS: Linux (All)
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: NEW
Version: git
Component: Drivers/DRI/nouveau
Product: Mesa
Hi there,
I saw Rafael made this recent commit:
http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=8ad928d52e63a9b7d69f0873d7318c4561e2f8cd
That may not be the culprit at all, sorry. I noticed that if I'm using, say,
the latest drm-intel-next kernel or nouveau kernel ACPI reports nouveau's
status properly, e.g. nouveau: power state changed by ACPI to D3cold, however
in next I no longer get these messages, although the device seems to be in
D3cold (?). At least temperatures are much lower, especially when building
software.
[23301.994315] ACPI Warning: \_SB_.PCI0.P0P2.PEGP._DSM: Argument #4 type
mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95)
(That's the only indicator of power transitions now - a warning that might go
away in the future - p.s., do I need to do some DSDT hacking for that or is it
on the Linux-side?)
Invoking lm_sensors' sensors command shows N/A for the nouveau device on
Optimus laptops, as expected if the device is in D3cold.
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