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    SubjectRe: i915: display doesn't get on back after returning from standby in 2.6.27-rc*
    On 2010-11-25 11:31 -0800, Keith Packard wrote:
    > On Thu, 25 Nov 2010 11:10:58 -0500, Nick Bowler <> wrote:
    > >
    > I've provided a couple of fixes that might be relevant here -- neither
    > kernel nor user mode were setting the tracked DPMS state of the outputs
    > to ON when doing mode setting, which caused all kinds of comedy. These
    > should fix 23472 and 31803. I'm not entirely sure what's up with 23122,
    > but it's possible that it's the same issue.
    > The user mode DPMS tracking fix is in xf86-video-intel master, the
    > kernel DPMS tracking fix was sent to Chris last week.

    Hi Keith,

    I had a chance to test your patches this weekend:

    drm: record monitor status in output_poll_execute
    drm: Set connector DPMS status to ON in drm_crtc_helper_set_config

    cherry picked from ickle's repo on top of Linus' git 0f639a3c5ca6
    ("Merge branch 'for-linus' of git://").

    Unfortunately, they do not correct my laptop backlight issue (fdo
    bugzilla #31803): the panel still dims whenever the lid is opened.

    Nick Bowler, Elliptic Technologies (

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