Public bug reported:
== Quantal SRU Justification ==
Beginning with the 12.04.2 point release, we are providing the 12.10
kernel as an enablement vehicle. Haswell graphics is a highly requested
and sought after platform to be enabled with the 12.04.2 point release
via the 12.10 kernel. Full enablement support will unfortunately not be
available by default until the upstream v3.8 kernel. Given our release
time frames, waiting for the v3.8 kernel to land in an official Ubuntu
release and propagate back into 12.04 will take too long.
== Fix ==
As an alternative solution, we can provide an updated snapshot of the i915
driver which is currently making it's way through the drm-intel tree and slated
to land in v3.8. This updated version of the i915 driver being proposed for
the Quantal kernel is being renamed to i915_hsw and will only support Haswell
pci id's. There should be no risk of regression for the existing i915 driver
with non-Haswell hardware.
The snapshot was taken from the following repo which is a v3.6 based
tree with only the Haswell enablement patches applied. It should be
less volatile thatn the drm-intel-nightly branch:
git://people.freedesktop.org/~danvet/drm backport-3.6
The set of patches I'm proposed for the Quantal kernel can be reviewed
at:
git://kernel.ubuntu.com/ogasawara/ubuntu-quantal.git hsw-backport-3.6
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Quantal)
Importance: Medium
Assignee: Leann Ogasawara (leannogasawara)
Status: In Progress
** Also affects: linux (Ubuntu Quantal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Quantal)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Quantal)
Status: New => In Progress
** Changed in: linux (Ubuntu Quantal)
Assignee: (unassigned) => Leann Ogasawara (leannogasawara)
** Changed in: linux (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1085245
Title:
[Quantal] Include support for Haswell hardware
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