[PATCH 12/21] drm/i915: Ensure eDP powered up during DP_SET_POWER operation in dp_prepare

Keith Packard keithp at keithp.com
Fri Sep 30 11:30:32 PDT 2011


On Fri, 30 Sep 2011 19:45:02 +0200, Daniel Vetter <daniel at ffwll.ch> wrote:

> If I understand things correctly we don't need the vdd_on/off on dpms off
> because the panel is running and has power.

Yes, that's correct; the aux channel works with either full power or
with the force VDD bit turned on.

-- 
keith.packard at intel.com
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