From patchwork Wed Mar 23 13:15:13 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Hajda X-Patchwork-Id: 8649841 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BE4699F36E for ; Wed, 23 Mar 2016 13:16:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EEE8A203B7 for ; Wed, 23 Mar 2016 13:16:21 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E9D4A20398 for ; Wed, 23 Mar 2016 13:16:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 78AE96E3EB; Wed, 23 Mar 2016 13:16:11 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailout4.w1.samsung.com (mailout4.w1.samsung.com [210.118.77.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 19A266E3E3 for ; Wed, 23 Mar 2016 13:15:38 +0000 (UTC) Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout4.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0O4H00JV6U5WJB90@mailout4.w1.samsung.com> for dri-devel@lists.freedesktop.org; Wed, 23 Mar 2016 13:15:32 +0000 (GMT) X-AuditID: cbfec7f5-f792a6d000001302-39-56f296f47913 Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id F8.59.04866.4F692F65; Wed, 23 Mar 2016 13:15:32 +0000 (GMT) Received: from amdc1061.digital.local ([106.116.147.88]) by eusync1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0O4H00DL6U5VU620@eusync1.samsung.com>; Wed, 23 Mar 2016 13:15:32 +0000 (GMT) From: Andrzej Hajda To: Inki Dae Subject: [PATCH 2/7] drm/exynos/hdmi: add PHY power off signal handling Date: Wed, 23 Mar 2016 14:15:13 +0100 Message-id: <1458738918-32054-3-git-send-email-a.hajda@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1458738918-32054-1-git-send-email-a.hajda@samsung.com> References: <1458738918-32054-1-git-send-email-a.hajda@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmplluLIzCtJLcpLzFFi42I5/e/4Zd0v0z6FGXw6o25xa905VouNM9az Wlz5+p7NYtL9CSwWM87vY7JYe+QuuwObx/3u40wefVtWMXp83iQXwBzFZZOSmpNZllqkb5fA lXH3wAG2gnscFW8XLWNuYNzG3sXIySEhYCLRPG01C4QtJnHh3no2EFtIYCmjxIr5ml2MXEB2 E5NEy60NrCAJNgFNib+bb4IViQgoS6za184OUsQssJFJonnSGUaQhLCAu8S7X+vBprIIqEp0 tdwG28Yr4Czx4dUXVohtchInj00GszkFXCT2H38FtdlZ4sedrUwTGHkXMDKsYhRNLU0uKE5K zzXSK07MLS7NS9dLzs/dxAgJnK87GJceszrEKMDBqMTDW3DuY5gQa2JZcWXuIUYJDmYlEV7J qZ/ChHhTEiurUovy44tKc1KLDzFKc7AoifPO3PU+REggPbEkNTs1tSC1CCbLxMEp1cBo1rqM p6Ht7VrzU24KE2+L/Zyz5LLHrlCFhUbqjMdOe5xmcds5wdqj5xPHliSPY815rjYnS7adb0nJ ikk6URZ3vW6l89ptHxJ/nUl1LJmeoPL0jdOaA9F7s04+/LPvxgzPlNnl2W88Fp99eCV522rp 5XbrLrNEhncnmbH8DRXePXGCz8nZvMqLlFiKMxINtZiLihMBVIXeVhgCAAA= Cc: Andrzej Hajda , linux-samsung-soc@vger.kernel.org, Marek Szyprowski , "open list:DRM DRIVERS FOR EXYNOS" , Bartlomiej Zolnierkiewicz X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP HDMI-PHY power off bit defaults to 0 in older HDMI versions. In case of Exynos5433 it defaults to 1. To make code consistent across all versions this bit is always unset/set in power on/off sequences. Signed-off-by: Andrzej Hajda --- drivers/gpu/drm/exynos/exynos_hdmi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 5c7dbfc..16951f3 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1757,6 +1757,8 @@ static void hdmi_enable(struct drm_encoder *encoder) hdmi_set_refclk(hdata, true); + hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN); + hdmi_conf_apply(hdata); hdata->powered = true; @@ -1789,6 +1791,8 @@ static void hdmi_disable(struct drm_encoder *encoder) cancel_delayed_work(&hdata->hotplug_work); + hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN); + hdmi_set_refclk(hdata, false); regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,