From patchwork Fri Nov 25 10:34:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YT Shen X-Patchwork-Id: 9447269 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 5F14B60235 for ; Fri, 25 Nov 2016 10:38:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 721DC27F85 for ; Fri, 25 Nov 2016 10:38:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 655C228111; Fri, 25 Nov 2016 10:38:05 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4039527F85 for ; Fri, 25 Nov 2016 10:38:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 61F3D6E104; Fri, 25 Nov 2016 10:38:01 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailgw01.mediatek.com (unknown [210.61.82.183]) by gabe.freedesktop.org (Postfix) with ESMTP id C27A36E104 for ; Fri, 25 Nov 2016 10:37:59 +0000 (UTC) Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 939577410; Fri, 25 Nov 2016 18:37:56 +0800 Received: from mtkslt301.mediatek.inc (10.21.14.114) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Fri, 25 Nov 2016 18:37:55 +0800 From: YT Shen To: , Philipp Zabel Subject: [PATCH v10 10/13] drm/mediatek: add dsi ulp mode control Date: Fri, 25 Nov 2016 18:34:33 +0800 Message-ID: <1480070076-6196-11-git-send-email-yt.shen@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1480070076-6196-1-git-send-email-yt.shen@mediatek.com> References: <1480070076-6196-1-git-send-email-yt.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: Daniel Vetter , Jie Qiu , Mao Huang , yingjoe.chen@mediatek.com, Dan Carpenter , Jitao Shi , linux-mediatek@lists.infradead.org, Matthias Brugger , shaoming chen , linux-arm-kernel@lists.infradead.org, srv_heupstream@mediatek.com, emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, Sascha Hauer , Maxime Ripard 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP modify dsi enter ultra low power mode method Signed-off-by: shaoming chen Signed-off-by: YT Shen --- drivers/gpu/drm/mediatek/mtk_dsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index d03a0f1..01df829 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -289,7 +289,7 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi) static void mtk_dsi_clk_ulp_mode_enter(struct mtk_dsi *dsi) { mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0); - mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0); + mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, LC_ULPM_EN); } static void mtk_dsi_clk_ulp_mode_leave(struct mtk_dsi *dsi) @@ -302,7 +302,7 @@ static void mtk_dsi_clk_ulp_mode_leave(struct mtk_dsi *dsi) static void mtk_dsi_lane0_ulp_mode_enter(struct mtk_dsi *dsi) { mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_HS_TX_EN, 0); - mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0); + mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, LD0_ULPM_EN); } static void mtk_dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi)