From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 1/2] drm/i915: clear up backlight inversion confusion on gen4 Date: Mon, 23 Apr 2012 15:48:46 +0200 Message-ID: <20120423134845.GH4935@phenom.ffwll.local> References: <1335173535-14811-1-git-send-email-daniel.vetter@ffwll.ch> <1335174842_26585@CP5-2952> <20120423122120.GD4935@phenom.ffwll.local> <1335184379_27774@CP5-2952> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ee0-f49.google.com (mail-ee0-f49.google.com [74.125.83.49]) by gabe.freedesktop.org (Postfix) with ESMTP id AD8B19F73C for ; Mon, 23 Apr 2012 06:47:48 -0700 (PDT) Received: by eekb45 with SMTP id b45so3129936eek.36 for ; Mon, 23 Apr 2012 06:47:48 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1335184379_27774@CP5-2952> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Chris Wilson Cc: Daniel Vetter , Intel Graphics Development List-Id: intel-gfx@lists.freedesktop.org On Mon, Apr 23, 2012 at 01:32:31PM +0100, Chris Wilson wrote: > On Mon, 23 Apr 2012 14:21:20 +0200, Daniel Vetter wrote: > > On my specs bit29 is pipe assignement, we should set it if the panel is on > > pipe B (well, it just takes the pll to do the modulation from that pipe > > then). > > On CTL1 rather than CTL2, if that makes a difference. Listed in both the > IBX and CPT specs as bit 29, backlight polarity. The joy of ever > changing documentation. Ah, in the PCH part, not the north display unit. I guess we have a little mess here. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48