** Also affects: ubuntu-drivers-common (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: ubuntu-drivers-common (Ubuntu Xenial)
Status: New => In Progress
** Changed in: ubuntu-drivers-common (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: ubuntu-drivers-common (Ubuntu Xenial)
Assignee: (unassigned) => Alberto Milone (albertomilone)
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https://bugs.launchpad.net/bugs/1586933
Title:
gpu-manager's drm output detection affects boot time
Status in ubuntu-drivers-common package in Ubuntu:
In Progress
Status in ubuntu-drivers-common source package in Xenial:
In Progress
Bug description:
Rather than calling drm directly, gpu-manager should simply check the
outputs connector status by using the sysfs filesystem (e.g.
/sys/class/drm/card0-HDMI-A-1/status, etc.), thus relying on data that
is already available.
This should make gpu-manager a bit less resource intensive, especially
on boot.
The attached perf shows the problem in gpu-manager.
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