From nobody Sat Sep 21 03:08:52 2024 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB520C77B61 for ; Thu, 13 Apr 2023 06:09:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229958AbjDMGJs (ORCPT ); Thu, 13 Apr 2023 02:09:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229948AbjDMGJl (ORCPT ); Thu, 13 Apr 2023 02:09:41 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 875E85B9E; Wed, 12 Apr 2023 23:09:39 -0700 (PDT) X-UUID: c1501242d9c111edb6b9f13eb10bd0fe-20230413 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:44ef7ec6-2e05-468f-94ad-4ddd4e851da6,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:3a55e983-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: c1501242d9c111edb6b9f13eb10bd0fe-20230413 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 389169649; Thu, 13 Apr 2023 14:09:31 +0800 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Xinlei Lee For mt8188, add dsi cmdq reg control to send long packets to panel initiali= zation. 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 @@ =20 #define DSI_CMDQ_SIZE 0x60 #define CMDQ_SIZE 0x3f +#define CMDQ_SIZE_SEL BIT(15) =20 #define DSI_HSTX_CKL_WC 0x64 =20 @@ -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; }; =20 struct mtk_dsi { @@ -965,6 +967,11 @@ static u32 mtk_dsi_recv_cnt(u8 type, u8 *read_data) return 0; } =20 +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 *m= sg) { const char *tx_buf =3D msg->tx_buf; @@ -996,6 +1003,8 @@ static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const st= ruct mipi_dsi_msg *msg) =20 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); } =20 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 =3D { .reg_cmdq_off =3D 0x200, .has_shadow_ctl =3D true, .has_size_ctl =3D true, + .cmdq_long_packet_ctl =3D false, }; =20 static const struct mtk_dsi_driver_data mt8186_dsi_driver_data =3D { .reg_cmdq_off =3D 0xd00, .has_shadow_ctl =3D true, .has_size_ctl =3D true, + .cmdq_long_packet_ctl =3D false, }; =20 static const struct mtk_dsi_driver_data mt8188_dsi_driver_data =3D { .reg_cmdq_off =3D 0xd00, .has_shadow_ctl =3D true, .has_size_ctl =3D true, + .cmdq_long_packet_ctl =3D true, }; =20 static const struct of_device_id mtk_dsi_of_match[] =3D { --=20 2.18.0