linux-kernel - Re: [Intel-gfx] [PATCH 06/21] drm/i915: Unlock PCH_PP

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Message-ID: <20110930170946.GF2859@phenom.ffwll.local>
Date:	Fri, 30 Sep 2011 19:09:46 +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: [Intel-gfx] [PATCH 06/21] drm/i915: Unlock PCH_PP_CONTROL always

On Thu, Sep 29, 2011 at 06:09:38PM -0700, Keith Packard wrote:
> Avoid any question about locked registers by just writing the unlock
> pattern with every write to the register.
> 
> Signed-off-by: Keith Packard <keithp@...thp.com>

grep shows that we also write to PCH_PP_CONTROL in intel_lvds.c in the
dpms functions - any reasons these two writes are left out?
-Daniel
-- 
Daniel Vetter
Mail: daniel@...ll.ch
Mobile: +41 (0)79 365 57 48
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