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=-6.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,T_DKIMWL_WL_HIGH,UNPARSEABLE_RELAY 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 D49CFC004C9 for ; Tue, 7 May 2019 07:41:50 +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 A5A5420989 for ; Tue, 7 May 2019 07:41:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gi0nbmQD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A5A5420989 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: Date:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8cmDu8rBwQZwVtFOIgdr3/677QWHcsu0GZ7K2ik1TKw=; b=gi0nbmQDhXVaXV pK8Ltp7y+XYXlr6umUUb/D7N7aBS291hZpHV4l4tHzcw5qWPI5Ab0DZLOELam663z3o9a8oYTH+y4 XcKtU0Jl8v8QEqL3pKd9WRGiR1QcUbcedFnmtURLCTNLUDBzI0b6CcyDv5ttTjB3EUssuJAWBo9Ce YQ58+8X9ln39PlBCPhhnQ0GS4oBKXuAt8EHT6xaoRDLZJ9lay1PK9krFqfLhBkKvmI4cW8zc6g5xm TQMvFUqHOypCT5uEOdzZY0pALX/vh9lSfmt2HbJ2wwn6/Vqb29t0BO9F6tioKCxM+cO6gYxk5ePhQ x2SIANOTqXTFJpYABzDg==; 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 1hNujQ-0002jb-By; Tue, 07 May 2019 07:41:44 +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 1hNujG-0002Un-N1; Tue, 07 May 2019 07:41:38 +0000 X-UUID: 02c686733ff849c3a0c817f4d01ff6fa-20190506 X-UUID: 02c686733ff849c3a0c817f4d01ff6fa-20190506 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1033375408; Mon, 06 May 2019 23:41:31 -0800 Received: from MTKMBS33N1.mediatek.inc (172.27.4.75) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 7 May 2019 00:41:30 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by MTKMBS33N1.mediatek.inc (172.27.4.75) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 7 May 2019 15:41:27 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 7 May 2019 15:41:27 +0800 Message-ID: <1557214887.3498.7.camel@mtksdaap41> Subject: Re: [v3 3/3] drm/mediatek: add mt8183 dpi support From: CK Hu To: Jitao Shi Date: Tue, 7 May 2019 15:41:27 +0800 In-Reply-To: <20190416055242.75764-4-jitao.shi@mediatek.com> References: <20190416055242.75764-1-jitao.shi@mediatek.com> <20190416055242.75764-4-jitao.shi@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190507_004134_980984_1D9F771F X-CRM114-Status: GOOD ( 14.38 ) 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: Mark Rutland , devicetree@vger.kernel.org, David Airlie , stonea168@163.com, dri-devel@lists.freedesktop.org, yingjoe.chen@mediatek.com, Ajay Kumar , Vincent Palatin , cawa.cheng@mediatek.com, bibby.hsieh@mediatek.com, Russell King , Thierry Reding , linux-pwm@vger.kernel.org, Sascha Hauer , Pawel Moll , Ian Campbell , Inki Dae , Rob Herring , linux-mediatek@lists.infradead.org, Andy Yan , Matthias Brugger , eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org, Rahul Sharma , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Philipp Zabel , Kumar Gala , 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 Hi, Jitao: On Tue, 2019-04-16 at 13:52 +0800, Jitao Shi wrote: I need the commit message. Even though the code is easy to understand, words for this patch is still necessary. Regards, CK > Signed-off-by: Jitao Shi > --- > drivers/gpu/drm/mediatek/mtk_dpi.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c > index 66405159141a..fbb087218775 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c > @@ -681,6 +681,16 @@ static unsigned int mt2701_calculate_factor(int clock) > return 2; > } > > +static unsigned int mt8183_calculate_factor(int clock) > +{ > + if (clock <= 27000) > + return 8; > + else if (clock <= 167000) > + return 4; > + else > + return 2; > +} > + > static const struct mtk_dpi_conf mt8173_conf = { > .cal_factor = mt8173_calculate_factor, > .reg_h_fre_con = 0xe0, > @@ -692,6 +702,12 @@ static const struct mtk_dpi_conf mt2701_conf = { > .edge_sel_en = true, > }; > > +static const struct mtk_dpi_conf mt8183_conf = { > + .cal_factor = mt8183_calculate_factor, > + .reg_h_fre_con = 0xe0, > + .dual_edge = true, > +}; > + > static int mtk_dpi_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > @@ -787,6 +803,9 @@ static const struct of_device_id mtk_dpi_of_ids[] = { > { .compatible = "mediatek,mt8173-dpi", > .data = &mt8173_conf, > }, > + { .compatible = "mediatek,mt8183-dpi", > + .data = &mt8183_conf, > + }, > { }, > }; > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel