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    SubjectRe: [PATCH] drm/i915/sdvo: If at first we dont succeed in reading the response, wait
    On Tue, 25 Jan 2011 23:01:45 +0100, Knut Petersen <> wrote:
    > I think that patch also should be a candidate for as it fixes a
    > regression
    > introduced in 2.6.37.

    (Actually I think the bug is older than that...)

    > Something new:
    > Have a look at the attached new log. I connected a 2nd monitor, so
    > there is a monitor attached to both
    > the VGA-1 and DVI-1 connectors. At the framebuffer console prompt (no X
    > running)
    > I changed to console 2 and back to console 1. The log starts at the
    > point of switching
    > back to console 1. Now ... shouldn't I read something about a
    > output_poll_execute for VGA-1?

    In this case, no. VGA-1 has hw hotplug support, so that connector is not
    polled but uses an interrupt instead.

    Chris Wilson, Intel Open Source Technology Centre

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