On Thu, Jan 12, 2012 at 17:25, Jesse Barnes <jbarnes at virtuousgeek.org>wrote: > On Thu, 12 Jan 2012 20:08:59 +0100 > Vincent Vanackere <vincent.vanackere at gmail.com> wrote: > > > Thanks for the report... do you also have: > > > > > > commit 7a4198664d46b87025a64530f1530ab2bea54c19 > > > Author: Jesse Barnes <jbarnes at virtuousgeek.org> > > > Date: Tue Nov 15 10:28:53 2011 -0800 > > > > > > drm/i915: don't disable a PCH DPLL that's in use > > > > > > > > > commit d8e70a254d8f2da141006e496a51502b79115e80 > > > Author: Jesse Barnes <jbarnes at virtuousgeek.org> > > > Date: Tue Nov 15 10:28:54 2011 -0800 > > > > > > drm/i915: only set the intel_crtc DPMS mode to on if the mode set > > > succeeded > > > > > > in your tree? Those are needed to fix some 3 pipe related bugs. > > > > > > -- > > > Jesse Barnes, Intel Open Source Technology Center > > > > > > > Yes, these commits were present. To double-check I just tested the latest > > tip at a429638cac1e5c656818a45aaff78df7b743004e and the problem is still > > there. > > Stefan, you have the same machine? I wonder if it's an eDP config; my > t420 here works ok with current bits, but it uses LVDS. > If you are using eDP, you might be facing https://bugs.freedesktop.org/show_bug.cgi?id=42263 or https://bugs.freedesktop.org/show_bug.cgi?id=42278. Could you try with patch mentioned at https://bugs.freedesktop.org/show_bug.cgi?id=42263 reverted? -- Eugeni Dodonov <http://eugeni.dodonov.net/> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20120112/b7bdb8f8/attachment.htm>