From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54BAFC04AB6 for ; Tue, 28 May 2019 10:18:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2ACF420989 for ; Tue, 28 May 2019 10:18:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726667AbfE1KSw (ORCPT ); Tue, 28 May 2019 06:18:52 -0400 Received: from muru.com ([72.249.23.125]:51544 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726236AbfE1KSw (ORCPT ); Tue, 28 May 2019 06:18:52 -0400 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id AA3D080F3; Tue, 28 May 2019 10:19:10 +0000 (UTC) Date: Tue, 28 May 2019 03:18:47 -0700 From: Tony Lindgren To: Tomi Valkeinen Cc: Sebastian Reichel , Sebastian Reichel , Pavel Machek , Laurent Pinchart , "H. Nikolaus Schaller" , dri-devel@lists.freedesktop.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Keerthy , Peter Ujfalusi Subject: Re: [PATCHv6 0/4] omapdrm: DSI command mode panel support Message-ID: <20190528101847.GN5447@atomide.com> References: <20190523200756.25314-1-sebastian.reichel@collabora.com> <60c45d23-de2f-d94a-c3d7-146a2bee538f@ti.com> <20190527112122.GJ5447@atomide.com> <20190528093952.GM5447@atomide.com> <14c6c702-844b-756d-2d97-44e8f5a169df@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <14c6c702-844b-756d-2d97-44e8f5a169df@ti.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Tomi Valkeinen [190528 10:05]: > On 28/05/2019 12:39, Tony Lindgren wrote: > > Hi, > > > > * Tomi Valkeinen [190528 09:19]: > > > On 27/05/2019 14:21, Tony Lindgren wrote: > > > > > > > > Looks good to me. For some reason I can't boot 5.2-rc2 (on x15) so I haven't > > > > > been able to test yet. I'll pick the series up in any case, and I'll test it > > > > > when I get the kernel booting. > > > > > > > > Great good to have these merged finally :) > > > > > > > > Hmm I wonder if some x15 models are affected by the SoC variant > > > > changes queued in my fixes branch? > > > > > > This is what I see with earlycon, on linux-omap fixes branch. I think this looks > > > similar to what I saw with dra76 _without_ the fixes. > > > > OK sounds like we need to use some different SoC specific .dtsi file, > > is this maybe x15 rev c? > > > > You can detect which modules fail based on the module base address > > for revision register seen with the following debug patch. Then > > those need to be tagged with status = "disabled" at the module > > level in the SoC specific dtsi file. > > [ 1.370609] ti-sysc 4ae20000.target-module: probing device > > This change lets me boot. I don't know that's the correct place, though: > > diff --git a/arch/arm/boot/dts/am5728.dtsi b/arch/arm/boot/dts/am5728.dtsi > index 82e5427ef6a9..c778f9a86b3a 100644 > --- a/arch/arm/boot/dts/am5728.dtsi > +++ b/arch/arm/boot/dts/am5728.dtsi > @@ -31,3 +31,7 @@ > &atl_tm { > status = "disabled"; > }; > + > +&timer12 { > + status = "disabled"; > +}; OK we should disable it at the target-module level though. Interesting that reading the revision register works with the above, or maybe you still get some warning? > My board is x15 rev A3, attached to AM5 EVM. I've also attached my kernel > config. Strange that this is not affecting other x15? I think timer12 would be blocked on HS devices though? Regards, Tony