From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: OMAP display subsystem - does it work? Date: Thu, 19 Dec 2013 08:56:07 -0800 Message-ID: <20131219165607.GN27438@atomide.com> References: <20131218120023.GG4360@n2100.arm.linux.org.uk> <52B1A922.6020901@ti.com> <20131218180240.GG27438@atomide.com> <52B282BE.9050705@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-03-ewr.mailhop.org ([204.13.248.66]:36418 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753789Ab3LSQ4P (ORCPT ); Thu, 19 Dec 2013 11:56:15 -0500 Content-Disposition: inline In-Reply-To: <52B282BE.9050705@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Tomi Valkeinen Cc: Russell King - ARM Linux , linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org * Tomi Valkeinen [131218 21:24]: > On 2013-12-18 20:23, Tony Lindgren wrote: > > > Hmm I had the framebuffer working with DT on LDP after fixing the twl4030 > > gpio regression with 0b2aa8bed3e1 (gpio: twl4030: Fix regression for twl > > gpio output) using this pdata quirks patch: > > > > [PATCH 3/5] ARM: OMAP2+: Add DT init code for DPI displays and make omap3 LDP to use it > > > > AFAIK the pdata hack above should not be needed now, but I have not tried > > with Tomi's DSS DT patches yet. > > > > Tomi do you have some sample panel dpi .dts entry somewhere for the LDP I > > could try at some point? > > Hmm, I thought this was about legacy booting on v3.14-rc4. That still > uses the board files for omap3. AFAIK 0b2aa8bed3e1 was the only thing needed for legacy booting and it's in -rc4. > > Russell, maybe all you're missing is just omapfb.vram=0:2M,1:5M or similar > > from your kernel cmdline? > > Nothing like that should be required for normal operation. Hmm maybe these instructions need some updating then: http://omappedia.org/wiki/Bootargs_for_enabling_display Regards, Tony