From patchwork Thu Feb 12 20:49:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sylvain Rochet X-Patchwork-Id: 5822711 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 A76C69FB2A for ; Fri, 13 Feb 2015 00:41:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9E2492025B for ; Fri, 13 Feb 2015 00:41:56 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 678BE20222 for ; Fri, 13 Feb 2015 00:41:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 166986E77A; Thu, 12 Feb 2015 16:41:53 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from guillaumet.finsecur.com (mx-guillaumet.finsecur.com [91.217.234.131]) by gabe.freedesktop.org (Postfix) with ESMTP id BD99E6E75C for ; Thu, 12 Feb 2015 12:49:32 -0800 (PST) Received: from [172.16.8.13] (helo=spice.lan) by guillaumet.finsecur.com with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1YM0hR-0003KK-MX; Thu, 12 Feb 2015 21:49:27 +0100 Received: from gradator by spice.lan with local (Exim 4.84) (envelope-from ) id 1YM0hR-0001LF-EX; Thu, 12 Feb 2015 21:49:25 +0100 From: Sylvain Rochet To: Boris Brezillon , David Airlie , dri-devel@lists.freedesktop.org, Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Daniel Vetter , Kevin Hilman , Wenyou Yang Date: Thu, 12 Feb 2015 21:49:23 +0100 Message-Id: <1423774163-4752-3-git-send-email-sylvain.rochet@finsecur.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1423774163-4752-1-git-send-email-sylvain.rochet@finsecur.com> References: <1423774163-4752-1-git-send-email-sylvain.rochet@finsecur.com> X-SA-Exim-Connect-IP: 172.16.8.13 X-SA-Exim-Mail-From: sylvain.rochet@finsecur.com X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: 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 Subject: [PATCHv2 2/2] drm: atmel-hlcdc: Add pinctrl PM select sleep, default state in CRTC suspend/resume X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on guillaumet.finsecur.com) X-Mailman-Approved-At: Thu, 12 Feb 2015 16:41:51 -0800 Cc: Sylvain Rochet 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-Virus-Scanned: ClamAV using ClamSMTP Some LCD panels have back-powering issue when un-powered, allows users to use an alternate pinctrl "sleep" in order to clamp outputs to a wanted state at suspend. Signed-off-by: Sylvain Rochet Acked-by: Boris Brezillon --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index 79c9a19..decd9ea 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -156,6 +157,7 @@ static void atmel_hlcdc_crtc_disable(struct drm_crtc *c) cpu_relax(); clk_disable_unprepare(crtc->dc->hlcdc->sys_clk); + pinctrl_pm_select_sleep_state(dev->dev); pm_runtime_allow(dev->dev); @@ -178,6 +180,7 @@ static void atmel_hlcdc_crtc_enable(struct drm_crtc *c) pm_runtime_forbid(dev->dev); + pinctrl_pm_select_default_state(dev->dev); clk_prepare_enable(crtc->dc->hlcdc->sys_clk); regmap_write(regmap, ATMEL_HLCDC_EN, ATMEL_HLCDC_PIXEL_CLK);