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    SubjectRe: [PATCH 12/21] drm/i915: Ensure eDP powered up during DP_SET_POWER operation in dp_prepare
    On Thu, Sep 29, 2011 at 06:09:44PM -0700, Keith Packard wrote:
    > Any call to intel_dp_sink_dpms must ensure that the panel has power so
    > that the DP_SET_POWER operation will be correctly received. The only
    > one missing this was in intel_dp_prepare.
    > Signed-off-by: Keith Packard <>
    If I understand things correctly we don't need the vdd_on/off on dpms off
    because the panel is running and has power. Assuming my understanding is
    Reviewed-by: Daniel Vetter <>
    Daniel Vetter
    Mobile: +41 (0)79 365 57 48

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