From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 1/2] drm/i915: clear up backlight inversion confusion on gen4 Date: Mon, 23 Apr 2012 13:32:31 +0100 Message-ID: <1335184379_27774@CP5-2952> References: <1335173535-14811-1-git-send-email-daniel.vetter@ffwll.ch> <1335174842_26585@CP5-2952> <20120423122120.GD4935@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from fireflyinternet.com (smtp.fireflyinternet.com [109.228.6.236]) by gabe.freedesktop.org (Postfix) with ESMTP id 867449E796 for ; Mon, 23 Apr 2012 05:33:10 -0700 (PDT) In-Reply-To: <20120423122120.GD4935@phenom.ffwll.local> 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: Daniel Vetter Cc: Daniel Vetter , Intel Graphics Development , Carsten Emde List-Id: intel-gfx@lists.freedesktop.org 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. -Chris -- Chris Wilson, Intel Open Source Technology Centre