As Andy predicted, the abovementioned patch is included upstream in kernel 2.6.38-rc5. From the changelog:
commit 72389a33b8878e6091f7ab8080f5ed07054c7c39 Author: Chris Wilson Date: Sun Feb 6 15:50:52 2011 +0000
drm/i915/lvds: Restore dithering on native modes for gen2/3
A regression introduced in bee17e5 cleared the dithering bit for native modes on gen2/3.
Bugzilla: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/711568 Signed-off-by: Chris Wilson
A PPA of this kernel is available at http://kernel.ubuntu.com/~kernel-ppa/mainline/
As Andy predicted, the abovementioned patch is included upstream in kernel 2.6.38-rc5. From the changelog:
commit 72389a33b8878e6 091f7ab8080f5ed 07054c7c39
Author: Chris Wilson
Date: Sun Feb 6 15:50:52 2011 +0000
drm/i915/lvds: Restore dithering on native modes for gen2/3
A regression introduced in bee17e5 cleared the dithering bit for native
modes on gen2/3.
Bugzilla: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/711568
Signed-off-by: Chris Wilson
A PPA of this kernel is available at http:// kernel. ubuntu. com/~kernel- ppa/mainline/