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Message #01633
[Bug 1027740] Re: Always update RPS interrupts thresholds along with frequency
This should have been made available in Precise via the Quantal HWE
kernel which was shipped by default in the 12.04.2 point release.
Marking this Fix Released for now.
** Changed in: linux (Ubuntu Precise)
Status: New => Fix Released
** Changed in: intel
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1027740
Title:
Always update RPS interrupts thresholds along with frequency
Status in intel:
Fix Released
Status in “linux” package in Ubuntu:
Fix Released
Status in “linux” source package in Precise:
Fix Released
Bug description:
1.description: In order to avoid missed down-interrupts when coming
out of RC6, it is advised that we always rest the down-threshold upon
a pm-event. This is due to that the PM unit goes through a little
dance when coming out of RC6, it first bring the GPU up at the lowest
frequency then a short time later it restores the thresholds.During
that interval, the down-interval may expire and the interrupt be
suppressed
2. Impact: Gnome Shell animations slow down at random when RC6 is
enabled
3.commit id: 7b9e0ae6da0a7eaf2680a1a788f08df123724f3b
bugzilla:https://bugs.freedesktop.org/show_bug.cgi?id=44006
4. target : ubuntu 12.04
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