From patchwork Wed May 11 02:36:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WGlubGVpIExlZSAo5p2O5piV56OKKQ==?= X-Patchwork-Id: 12845719 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 66B04C433F5 for ; Wed, 11 May 2022 02:40:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=O7fZH2uVebpLYhPyxwmrfzwxo0vumZrnfz8Tigqd/14=; b=WA0INkpNvq1ja9 J1AC9jUEocVnaVT7MeuvPgJtWEMTRaral90ezCrsu2zGRW/JPYk9iPSsZ1K8GcNoU5y6RVOxpwh/u Roqj9ratBgJfX9VDxYC/hVvRzQB+Wr4zfrSllaVqFeBtRrO5M+SK8X8C3gSnkStbttdK1/MgtRDA3 n13xj5Rd3T4P+reqwyL8ojI3wnfen3m42yy2Sp7ZhJLF6OTkcoCtwIliiVg4TP9pKw9XpOJYrjkJD OBLNXxPQKolNahnjquvDtWSZvoMASvQ/uK0E+7rIItDZxaEZicdC+Dn0xwTWAsurTVybpW+mBGw// H6llQmAplU1UT3z5Gs/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nocGJ-004qWe-T8; Wed, 11 May 2022 02:39:39 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nocGH-004qVL-4s; Wed, 11 May 2022 02:39:38 +0000 X-UUID: 96471004b96b4e329873d2a22a11ca5a-20220510 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:3cd30010-1516-43b6-8b18-d78b5a9afbfe, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:faefae9, CLOUDID:5f1405e6-38f2-431d-8de7-bf8fac490b0a, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: 96471004b96b4e329873d2a22a11ca5a-20220510 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1109538206; Tue, 10 May 2022 19:39:33 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 10 May 2022 19:36:39 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 11 May 2022 10:36:38 +0800 Received: from mszsdaap41.gcn.mediatek.inc (10.16.6.141) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Wed, 11 May 2022 10:36:37 +0800 From: To: , , , , CC: , , , , , , , Xinlei Lee Subject: [PATCH v5, 0/5] Cooperate with DSI RX devices to modify dsi funcs and delay mipi high to cooperate with panel sequence Date: Wed, 11 May 2022 10:36:31 +0800 Message-ID: <1652236596-21648-1-git-send-email-xinlei.lee@mediatek.com> X-Mailer: git-send-email 2.6.4 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220510_193937_221253_D34320FE X-CRM114-Status: UNSURE ( 5.82 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Xinlei Lee In upstream-v5.8, dsi_enable will operate panel_enable, but this modification has been moved in v5.9. In order to ensure the timing of dsi_power_on/off and the timing of pulling up/down the MIPI signal, the modification of v5.9 is synchronized in this series of patches. Changes since v4: 1. Dsi func modified to atomic operation. 2. Added fix tag. 3. Removed lane_ready print statement. Changes since v3: 1. Rebase kernel-5.18-rc1. 2. Added dsi_enable protection. 3. Encapsulates the dsi_lane_ready function. Changes since v2: 1. Rebase linux-next. Changes since v1: 1. Dsi sequence marked with patch adjustment. 2. Fixes: mtk_dsi: Use the drm_panel_bridge. Jitao Shi (3): drm/mediatek: Adjust the timing of mipi signal from LP00 to LP11 drm/mediatek: Separate poweron/poweroff from enable/disable and define new funcs drm/mediatek: keep dsi as LP00 before dcs cmds transfer Xinlei Lee (2): drm/mediatek: Modify dsi funcs to atomic operations drm/mediatek: Add pull-down MIPI operation in mtk_dsi_poweroff function drivers/gpu/drm/mediatek/mtk_dsi.c | 94 ++++++++++++++++++++---------- 1 file changed, 64 insertions(+), 30 deletions(-)