From patchwork Mon Jul 31 11:56:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 9871659 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CB71960375 for ; Mon, 31 Jul 2017 11:56:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD44F284C4 for ; Mon, 31 Jul 2017 11:56:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1F9828593; Mon, 31 Jul 2017 11:56:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CA0F1284C4 for ; Mon, 31 Jul 2017 11:56:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752108AbdGaL4t (ORCPT ); Mon, 31 Jul 2017 07:56:49 -0400 Received: from lb1-smtp-cloud8.xs4all.net ([194.109.24.21]:55935 "EHLO lb1-smtp-cloud8.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751054AbdGaL4s (ORCPT ); Mon, 31 Jul 2017 07:56:48 -0400 Received: from [192.168.2.10] ([212.251.195.8]) by smtp-cloud8.xs4all.net with ESMTPA id c9JSdFcZ4Qs3ac9JWdOLNF; Mon, 31 Jul 2017 13:56:46 +0200 To: Maling list - DRI developers , Linux Media Mailing List , Krzysztof Kozlowski , "moderated list:ARM/S5P EXYNOS AR..." , Andrzej Hajda , Sylwester Nawrocki From: Hans Verkuil Subject: [PATCH for v4.13] ARM: dts: exynos: add needs-hpd for Odroid-XU3/4 Message-ID: <89e9a925-66a9-8c26-559c-1b1f0e8070e3@xs4all.nl> Date: Mon, 31 Jul 2017 13:56:42 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 Content-Language: en-US X-CMAE-Envelope: MS4wfCb0NQoZkRnkYZmrs+awb12lRpD7I/Kqj/4bwFnZQWp7CegbORppAXJHS9sJBanqnoAGHxcGy9k1vAYhWF5tY7fEKS1DWBlcVp+D/sUEyoz9sa0pJ8Qk vXRKrmZsEOfFIMtrN4h8kH1pZFUfASy9XXjhi8AxebE1Mk9gXZiVmMCeyXZyvMOzaRGvXt+l3+4QV039Fj+aKd9VyOj154GVVuvwCoBu0T/QF8vBQbSFoLU1 sX8fjbmKqBt959M59K7PF0UsNHImUOVinLXBoQs4kWYSCZ90SHJdBR56YSzFfqs8IebqDno/Z+4lY1IKwl8pVYfPSIm4QDiP3IVwOF4ovR6JGNGnF+/BT79X lqwMz4+azkTFUh6m7+V9dgtnxtIe/m57cuFmCzA1CgAbHkdwMphjis0gvZ0zXtZxOoDCGE1U Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP CEC support was added for Exynos5 in 4.13, but for the Odroids we need to set 'needs-hpd' as well since CEC is disabled when there is no HDMI hotplug signal, just as for the exynos4 Odroid-U3. This is due to the level-shifter that is disabled when there is no HPD, thus blocking the CEC signal as well. Same close-but-no-cigar board design as the Odroid-U3. Tested with my Odroid XU4. Signed-off-by: Hans Verkuil --- -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index f92f95741207..a183b56283f8 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -266,6 +266,7 @@ &hdmicec { status = "okay"; + needs-hpd; }; &hsi2c_4 {