From patchwork Thu Apr 13 06:09:22 2023 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: 13209797 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 6AB5CC77B6C for ; Thu, 13 Apr 2023 06:20:39 +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:References:In-Reply-To: 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: List-Owner; bh=si6wt1GUDYhb6gc6dAbUUYOCHbk3Wt1guYsMh3UnHvY=; b=ZO/o4Vgv88L6ye 79c/1yuClQdS6lC7i/k/+aiJS43iyF3EO81qXkf2JN7CFEP19grlCnOiE//1uQCgVonJjW2jG3ARG NlttvZFQK0nETjG6852TCXgMwdCVMEBoOGs6MxVcW4dgEiUUjE8bmgDDU9glW6KMiEqPk2VxDO9em BMA5QnINO4Cp5WF5m4UKELHcbfihlctfWEXgWGqqRKc9WH0pjlh39GBJrHfEalFpuMNnLjkiPR7Zl 3OqCEIkPU5xIV9leA7QtI18ZbeLYicUu2NVohFZDZRBIYcmIVNMSyDv3/5AhD+mQ94dJYZGUcTb/A oEQgWeAzfReWQxkBvhBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pmqJ0-0059MD-2E; Thu, 13 Apr 2023 06:19:38 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pmqIx-0059Lk-32; Thu, 13 Apr 2023 06:19:37 +0000 X-UUID: 283364e0d9c311ed8687db9d93187ff1-20230412 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=cooVt/7DyMIfNymQDJe2zBqzAP0xjJRI2g2y8h0vqO4=; b=Htq0n6dz1KPeMU5iAX/9cGoikK/kx3m4D/XzhZfCSL5MIA0vwEFH3nABRsd9FW2qUpVAsguGkbDzE0e9J/TjUqx2nNf98miWNyMWVLSBP8RLkLzO3v9o5j6gidu/OWJznM6Tpm4fw+QAqeD3I5+soXWSCqo1oIgOg5cIxZ8Aluk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:3937efc4-2230-4306-8ce8-f046b0cd0bb7,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:120426c,CLOUDID:fda4e983-cd9c-45f5-8134-710979e3df0e,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-UUID: 283364e0d9c311ed8687db9d93187ff1-20230412 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1118818717; Wed, 12 Apr 2023 23:19:33 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Thu, 13 Apr 2023 14:09:29 +0800 Received: from mszsdaap41.gcn.mediatek.inc (10.16.6.141) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Thu, 13 Apr 2023 14:09:29 +0800 From: To: , , , , , , , , CC: , , , , , , Xinlei Lee Subject: [PATCH 3/3] drm/mediatek: dsi: Add dsi cmdq_ctl to send panel initial code Date: Thu, 13 Apr 2023 14:09:22 +0800 Message-ID: <1681366162-4949-4-git-send-email-xinlei.lee@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1681366162-4949-1-git-send-email-xinlei.lee@mediatek.com> References: <1681366162-4949-1-git-send-email-xinlei.lee@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-20230412_231936_009588_6C9FA745 X-CRM114-Status: GOOD ( 11.20 ) 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 For mt8188, add dsi cmdq reg control to send long packets to panel initialization. Signed-off-by: Xinlei Lee Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dsi.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 500a3054282d..cbfe5df4647c 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -86,6 +86,7 @@ #define DSI_CMDQ_SIZE 0x60 #define CMDQ_SIZE 0x3f +#define CMDQ_SIZE_SEL BIT(15) #define DSI_HSTX_CKL_WC 0x64 @@ -178,6 +179,7 @@ struct mtk_dsi_driver_data { const u32 reg_cmdq_off; bool has_shadow_ctl; bool has_size_ctl; + bool cmdq_long_packet_ctl; }; struct mtk_dsi { @@ -965,6 +967,11 @@ static u32 mtk_dsi_recv_cnt(u8 type, u8 *read_data) return 0; } +static void mtk_dsi_cmd_packet_ctl(struct mtk_dsi *dsi) +{ + mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE_SEL, CMDQ_SIZE_SEL); +} + static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const struct mipi_dsi_msg *msg) { const char *tx_buf = msg->tx_buf; @@ -996,6 +1003,8 @@ static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const struct mipi_dsi_msg *msg) mtk_dsi_mask(dsi, reg_cmdq_off, cmdq_mask, reg_val); mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE, cmdq_size); + if (dsi->driver_data->cmdq_long_packet_ctl) + mtk_dsi_cmd_packet_ctl(dsi); } static ssize_t mtk_dsi_host_send_cmd(struct mtk_dsi *dsi, @@ -1200,18 +1209,21 @@ static const struct mtk_dsi_driver_data mt8183_dsi_driver_data = { .reg_cmdq_off = 0x200, .has_shadow_ctl = true, .has_size_ctl = true, + .cmdq_long_packet_ctl = false, }; static const struct mtk_dsi_driver_data mt8186_dsi_driver_data = { .reg_cmdq_off = 0xd00, .has_shadow_ctl = true, .has_size_ctl = true, + .cmdq_long_packet_ctl = false, }; static const struct mtk_dsi_driver_data mt8188_dsi_driver_data = { .reg_cmdq_off = 0xd00, .has_shadow_ctl = true, .has_size_ctl = true, + .cmdq_long_packet_ctl = true, }; static const struct of_device_id mtk_dsi_of_match[] = {