On Fri, Feb 8, 2013 at 8:36 PM, Kamal Mostafa <kamal at canonical.com> wrote: > > Daniel's backlight fixes which landed in 3.6 did enable working > > backlight controls on the XPS13, but it appears that this commit from > > Paolo broke it again: > > a4f32fc drm/i915: don't forget the PCH backlight registers On Fri, 2013-02-08 at 20:55 +0100, Daniel Vetter wrote: > You might want to try the latest drm-intel-nightly git branch from > http://cgit.freedesktop.org/~danvet/drm-intel This has a few more > tricks which helped on some similar platforsm to yours (and similar > resume issues). Yes indeed, this commit from drm-intel-nightly does fix the problem: "drm/i915: write backlight harder". Thanks as always, for your help Daniel! -Kamal -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: This is a digitally signed message part URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20130212/3fabd4d3/attachment.pgp>
