From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B528C04AAF for ; Sat, 18 May 2019 09:57:12 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4EF832087B for ; Sat, 18 May 2019 09:57:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VgszIVmh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4EF832087B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Cfng0n3hMWRXZlxPARdSDu7oARFJYHds+rFRq1j9dDY=; b=VgszIVmhj3aMCw 5FKTOrvh1OKAkgi3QXjf5jZ9MkOc+fJLbsOR71UJ/QfhM4X7kFyEYHd3lEqQ0MLYZLsM9vxRnc9k4 4RJUNB9I2zIYqkvhK1GAt1OI/LbPdBMmknv0nTE7NtNfWWevim0Scx2EA4rVHQz4ke580eO2b2prH e3YI96TgOiJ9ISfs3KXWYuMhDAeW2QeSZ4rvlIhX9ZfBRfH1ZBbyczynnIHOUt60UkE2bh9qUBl+K 0c+/JLlFbKZp9zbzoQWMNZ8JcoCIwe8/BqoSX6ma/Be9mkdmseaFmT+okLlAHGdzf1lAz2fxtfQk1 0Uu0pqZ3pmAmoTLeGzhA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRw5T-0005vf-Tx; Sat, 18 May 2019 09:57:07 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRw4w-0005Bl-T1; Sat, 18 May 2019 09:56:36 +0000 X-UUID: ae98ddd03eec4d61aca2e1ba14cbe9f5-20190518 X-UUID: ae98ddd03eec4d61aca2e1ba14cbe9f5-20190518 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1106833529; Sat, 18 May 2019 01:56:33 -0800 Received: from MTKMBS33DR.mediatek.inc (172.27.6.106) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 18 May 2019 02:56:31 -0700 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33DR.mediatek.inc (172.27.6.106) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 18 May 2019 17:56:29 +0800 Received: from mszsdclx1018.gcn.mediatek.inc (172.27.4.253) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 18 May 2019 17:56:28 +0800 From: Jitao Shi To: Rob Herring , Pawel Moll , "Mark Rutland" , Ian Campbell , Kumar Gala , , David Airlie , Matthias Brugger Subject: [v4 5/5] drm/mediatek: add mt8183 support dpi pins control Date: Sat, 18 May 2019 17:56:18 +0800 Message-ID: <20190518095618.18454-6-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190518095618.18454-1-jitao.shi@mediatek.com> References: <20190518095618.18454-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190518_025635_279534_280D75A9 X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: stonea168@163.com, dri-devel@lists.freedesktop.org, Andy Yan , Ajay Kumar , Vincent Palatin , cawa.cheng@mediatek.com, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, Russell King , Thierry Reding , devicetree@vger.kernel.org, Jitao Shi , Philipp Zabel , Inki Dae , linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org, Rahul Sharma , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Sascha Hauer , Sean Paul Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some DPI pins(Hsync Vsync DE ... ) keep high voltage and will cause leakage current. So set dpi pin as gpio and pull low when dpi off. Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dpi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 0c4ba0a2be27..565892a3e1ba 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -719,6 +719,7 @@ static const struct mtk_dpi_conf mt8183_conf = { .cal_factor = mt8183_calculate_factor, .reg_h_fre_con = 0xe0, .dual_edge = true, + .dpi_pin_ctrl = true, }; static int mtk_dpi_probe(struct platform_device *pdev) -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel