linux-kernel - Re: [PATCH 12/21] drm/i915: Ensure eDP powered up during DP_SET_POWER operation in dp

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Message-ID: <20110930174502.GL2859@phenom.ffwll.local>
Date:	Fri, 30 Sep 2011 19:45:02 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Keith Packard <keithp@...thp.com>
Cc:	Dave Airlie <airlied@...hat.com>, intel-gfx@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [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 <keithp@...thp.com>
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
correct:
Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch>
-- 
Daniel Vetter
Mail: daniel@...ll.ch
Mobile: +41 (0)79 365 57 48
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