Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752255AbbBLUtg (ORCPT ); Thu, 12 Feb 2015 15:49:36 -0500 Received: from mx-guillaumet.finsecur.com ([91.217.234.131]:38483 "EHLO guillaumet.finsecur.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751324AbbBLUtc (ORCPT ); Thu, 12 Feb 2015 15:49:32 -0500 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 Cc: Sylvain Rochet 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 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) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1570 Lines: 46 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); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/