From patchwork Tue Feb 25 06:46:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 11402615 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4ACDD14E3 for ; Tue, 25 Feb 2020 06:57:04 +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 D9D6A21744 for ; Tue, 25 Feb 2020 06:57:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="iUOlnLtT"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="byN4NZ1b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D9D6A21744 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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=XJdXrntECjnzJ1j4hlWbfoYUFt+WBgG8J0FHJrwMH70=; b=iUOlnLtTFkfEAj 3HvvHASM+/YSzNVU2vfevNAM4wxyQldFYaIjnchFAAbofHiJLr9TbZepKoYm5mCMwudvxMcELo11p C1u6W7x0INrqr2hJIulbNfLB4BMiRacwt3paBv4SvIjarRYNA/JlgLNEIwc0oM9IHd7185wQACyQ6 wbsQsKQZTlSi6hj7RjKB0QqIVTAI0fyFd+TJbx8GROK6A6duxHpwHvh63u9b8sLva+Khz7L5y9taS sMmvgudFO6K2dRP7jRHWRukw0WytYiL0pAPafnPtQTexfY9/xwILRS5qFV2pkB+UQEajjGLJdS0IJ oA9XIujBUDYXpfHCTMiw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j6U9N-0002Zu-Ln; Tue, 25 Feb 2020 06:57:01 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j6U98-0002LT-Fj; Tue, 25 Feb 2020 06:56:47 +0000 X-UUID: 6f3a997872da45d0ab22cf04d735f123-20200224 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=2mRvrq0KsqWRkawRW7l0SARbfmn7cZF3ZQwEkeOJVU8=; b=byN4NZ1bpLDmR2YaHalWcZpIV1Nf9OsdBnl57YIvRDvR+cedwqRbVIPHoRo57kDCN7enNn6URW6yKj+UbozExR4jrxWnFWmmPt83+v0tUm7UI09c4Zhca1T0+ZVzwb7FOUCWBreeWeoKWLA/itMk9S4N/dOAgVfffv+MW8sKZfU=; X-UUID: 6f3a997872da45d0ab22cf04d735f123-20200224 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 519440700; Mon, 24 Feb 2020 22:56:42 -0800 Received: from MTKMBS33N2.mediatek.inc (172.27.4.76) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 24 Feb 2020 22:47:25 -0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 25 Feb 2020 14:47:23 +0800 Received: from mszsdclx1018.gcn.mediatek.inc (10.16.6.18) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 25 Feb 2020 14:45:29 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v7 3/4] drm/mediatek: add mt8183 dpi clock factor Date: Tue, 25 Feb 2020 14:46:37 +0800 Message-ID: <20200225064638.112282-4-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200225064638.112282-1-jitao.shi@mediatek.com> References: <20200225064638.112282-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: AB392C234C931E3602719C4560FAD2E9A09EB13288F548CCAECD362BB4CC18A12000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200224_225646_526787_C9A21BC5 X-CRM114-Status: UNSURE ( 9.79 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jitao Shi , srv_heupstream@mediatek.com, huijuan.xie@mediatek.com, stonea168@163.com, cawa.cheng@mediatek.com, linux-mediatek@lists.infradead.org, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The factor depends on the divider of DPI in MT8183, therefore, we should fix this factor to the right and new one. Signed-off-by: Jitao Shi Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_dpi.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 08299042dda7..c3e631b93c2e 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -676,6 +676,16 @@ static unsigned int mt2701_calculate_factor(int clock) return 1; } +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, @@ -687,6 +697,11 @@ 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, +}; + static int mtk_dpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -784,6 +799,9 @@ static const struct of_device_id mtk_dpi_of_ids[] = { { .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf, }, + { .compatible = "mediatek,mt8183-dpi", + .data = &mt8183_conf, + }, { }, };