From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: OMAPDSS and panel-dpi Date: Thu, 17 Apr 2014 15:50:26 -0700 Message-ID: <20140417225025.GA25732@atomide.com> References: <20140417192215.GA24931@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:26395 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751072AbaDQWub (ORCPT ); Thu, 17 Apr 2014 18:50:31 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Joachim Eastwood Cc: Tomi Valkeinen , linux-omap@vger.kernel.org * Joachim Eastwood [140417 13:51]: > On 17 April 2014 21:22, Tony Lindgren wrote: > > * Joachim Eastwood [140417 11:05]: > >> Hi Tomi, > >> > >> My VAR-DVK-OM44 (OMAP4460) has both a HDMI and a LCD panel. As HDMI is > >> now working (thanks) I also taken a look at panel-dpi. > >> > >> I found the DT patch for panel-dpi on the mailing list. > >> OMAPDSS: panel-dpi: Add DT support: > >> http://marc.info/?l=devicetree&m=139030201815380&w=2 > >> > >> And I got my display working with DT :) > >> So you add can my: Tested-by: Joachim Eastwood > >> > >> Could you upstream the panel-dpi DT support and the HDMI connector > >> gpio hpd patch in 3.16? > >> I hope it's easier to upstream the stuff when it gets some users in DT. > > > > Good to hear. The DPI panel support should use gpio-backlight > > driver as discussed in the DPI thread. Did you have to patch > > anything for the timings etc? > > The only driver patches I use are those two from Tomi mentioned above. > (panel-dpi DT support and HDMI connector gpio-hpd) > > > If you have the board working, care to take a look at making > > the gpio-backlight change? > > I am already using the gpio-backlight driver. OK great, so then we can just drop that GPIO backlight handling from the DPI DT patch I presume. > You can take a look at the device tree for VAR-DVK-OM44 here: > http://slexy.org/raw/s2Pz4BELGe > > I'll post the patch set on list tomorrow. Thanks for the link, that pretty much clarifies all the parts I was wondering about. Regards, Tony