luca, if you remove the non-default kernel parameters does this change anything:
acpi_backlight=vendor pcie_aspm=force i915.enable_rc6=7 i915.enable_fbc=1
i915.lvds_downclock=1
As well, could you please comment to why these are in use?
** Tags added: latest-bios-1.80
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => Medium
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Incomplete
** Tags added: regression-release
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https://bugs.launchpad.net/bugs/1393085
Title:
Performance degraded and video glitches with i915 after upgrade to
utopic
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