Ubuntu
gnome-desktop3 package

  1. Bug #791752
  2. Comment #6

Comment 6 for bug 791752

Revision history for this message
Keng-Yu Lin (lexical) wrote :

Some bisecting jobs are done, it seems the following commit fixed the external mode issue.

commit 47a05eca72991039e788b25232061f9c9df9ec23
Author: Jesse Barnes <email address hidden>
Date: Mon Feb 7 13:46:40 2011 -0800

    drm/i915: disable PCH ports if needed when disabling a CRTC

    Disable any PCH ports associated with a pipe when disabling it. This
    should prevent transcoder disable failures due to ports still being on.

    Signed-off-by: Jesse Barnes <email address hidden>
    [ickle: introduce *_PIPE_ENABLED() macro]
    Signed-off-by: Chris Wilson <email address hidden>

I put the kernel packages at http://people.canonical.com/~lexical/bugs/lp791752/ for anyone to test.