From owner-freebsd-arm@freebsd.org Mon Jul 20 11:50:05 2015 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 77AFE9A6253 for ; Mon, 20 Jul 2015 11:50:05 +0000 (UTC) (envelope-from mikael.urankar@gmail.com) Received: from mail-yk0-x244.google.com (mail-yk0-x244.google.com [IPv6:2607:f8b0:4002:c07::244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3E79D9B7 for ; Mon, 20 Jul 2015 11:50:05 +0000 (UTC) (envelope-from mikael.urankar@gmail.com) Received: by ykdu72 with SMTP id u72so8786838ykd.3 for ; Mon, 20 Jul 2015 04:50:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=XKtpWeUqU6Wc2kg67lZM0wO+zUnOLH/t6KurJTgGMxk=; b=m7FddBgEygqznLCV/sU4alkI6WnSVnNuJBTTl3CQneddCxofWOr1t1J1cvWf56Zgo1 x9X8E/ua8HmpnOfRLdJ1ZIITsYyr70q6WUSyu/NXJWPyYwuYN2s7qm3nKQtZ/PsvozFO JiV5rOuJYHnLP6kKiByJTjv5Op3jAthX0XIXA8xZYoHcRtETbAhRbF6MchO3InVO9eTO M2dMQ5b3rik25niNw7fY0SQTOxtH74U3nFh5CYm6RJe1ZN6+HyLJWLbcBx+zRi3p7Ny4 jHZPhkf23qb95/fuT78/NadUbiUDecLmJxC7Q+JljzJFU9Bmp6iI7bsxqJTLlgGTmDCH foxg== MIME-Version: 1.0 X-Received: by 10.170.129.75 with SMTP id v72mr28308441ykb.124.1437393004377; Mon, 20 Jul 2015 04:50:04 -0700 (PDT) Received: by 10.37.10.65 with HTTP; Mon, 20 Jul 2015 04:50:04 -0700 (PDT) In-Reply-To: <5569347D-EA8B-46C9-97D3-6BF7CC1952B8@bluezbox.com> References: <5569347D-EA8B-46C9-97D3-6BF7CC1952B8@bluezbox.com> Date: Mon, 20 Jul 2015 13:50:04 +0200 Message-ID: Subject: Re: WIP: IPU and HDMI drivers for i.MX6 From: =?UTF-8?Q?Mika=C3=ABl_Urankar?= To: Oleksandr Tymoshenko Cc: "freebsd-arm@freebsd.org List" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jul 2015 11:50:05 -0000 2015-07-20 2:33 GMT+02:00 Oleksandr Tymoshenko : > Hello, > > > Last few months I've been working on IPU(video controller)/HDMI > support for i.MX6. This patch[1] is the first very limited > milestone. It contains more or less complete IPU driver, DVI mode > support for HDMI framer, and EDID handler. Missing part is pixel > clock management so at the moment driver relies on U-Boot to set > pixel clock for 1024x768@60 mode and it's the only supported mode > for now. > > There seems to be several versions of DTS files for i.MX6 with > very different structure for HDMI-related nodes. Patch works only > with the version that is part of FreeBSD tree. > > Patch was tested on Hummingboard so any testing on other i.MX6 > devices is appreciated Hi, Great work, thank you! I've tried on a cubox i4pro, the boot hangs after probing the video mode: http://mikael.urankar.free.fr/FreeBSD/cubox_hdmi.txt The boot also hangs if no hdmi/monitor are connected, last lines printed are: VT: initialize with new VT driver "fb". fb1: failed to parse EDID